/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/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:15:06,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:15:06,273 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:15:06,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:15:06,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:15:06,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:15:06,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:15:06,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:15:06,302 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:15:06,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:15:06,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:15:06,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:15:06,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:15:06,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:15:06,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:15:06,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:15:06,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:15:06,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:15:06,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:15:06,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:15:06,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:15:06,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:15:06,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:15:06,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:15:06,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:15:06,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:15:06,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:15:06,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:15:06,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:15:06,320 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:15:06,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:15:06,321 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:15:06,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:15:06,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:15:06,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:15:06,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:15:06,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:15:06,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:15:06,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:15:06,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:15:06,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:15:06,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:15:06,361 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:15:06,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:15:06,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:15:06,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:15:06,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:15:06,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:15:06,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:15:06,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:15:06,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:15:06,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:15:06,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:15:06,364 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:15:06,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:15:06,364 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:15:06,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:15:06,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:15:06,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:15:06,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:15:06,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:06,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:15:06,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:15:06,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:15:06,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:15:06,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:15:06,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:15:06,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:15:06,370 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:15:06,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:15:06,371 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:15:06,371 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:15:06,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:15:06,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:15:06,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:15:06,640 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:15:06,640 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:15:06,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-03-31 01:15:07,816 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:15:08,075 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:15:08,075 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c [2023-03-31 01:15:08,085 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a34a47e/adf168f527d2480596a4f49b22cc35f4/FLAG643007294 [2023-03-31 01:15:08,099 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26a34a47e/adf168f527d2480596a4f49b22cc35f4 [2023-03-31 01:15:08,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:15:08,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:15:08,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:08,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:15:08,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:15:08,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c68fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08, skipping insertion in model container [2023-03-31 01:15:08,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:15:08,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:15:08,427 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2023-03-31 01:15:08,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:08,457 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:15:08,505 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993] [2023-03-31 01:15:08,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:15:08,524 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:15:08,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08 WrapperNode [2023-03-31 01:15:08,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:15:08,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:15:08,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:15:08,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:15:08,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:15:08,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:15:08,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:15:08,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:15:08,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (1/1) ... [2023-03-31 01:15:08,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:15:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:08,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:15:08,643 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:15:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:15:08,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:15:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:15:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:15:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:15:08,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:08,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 01:15:08,679 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:15:08,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:15:08,681 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:15:08,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:15:08,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:15:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:15:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:15:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:15:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:15:08,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 01:15:08,685 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 01:15:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:15:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 01:15:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 01:15:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 01:15:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 01:15:08,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:15:08,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:15:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:15:08,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:15:08,863 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:15:08,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:15:09,366 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:15:09,374 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:15:09,374 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 01:15:09,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:09 BoogieIcfgContainer [2023-03-31 01:15:09,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:15:09,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:15:09,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:15:09,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:15:09,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:15:08" (1/3) ... [2023-03-31 01:15:09,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a786226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:09, skipping insertion in model container [2023-03-31 01:15:09,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:15:08" (2/3) ... [2023-03-31 01:15:09,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a786226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:15:09, skipping insertion in model container [2023-03-31 01:15:09,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:15:09" (3/3) ... [2023-03-31 01:15:09,383 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2023-03-31 01:15:09,399 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:15:09,399 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:15:09,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:15:09,449 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=PETRI_NET, 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;@43884c96, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:15:09,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:15:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 97 states have internal predecessors, (110), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) [2023-03-31 01:15:09,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 01:15:09,462 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:09,463 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:09,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:09,467 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1711914128, now seen corresponding path program 1 times [2023-03-31 01:15:09,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:09,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309500924] [2023-03-31 01:15:09,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:09,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:09,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-03-31 01:15:09,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:09,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:09,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:09,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309500924] [2023-03-31 01:15:09,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309500924] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:09,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:09,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 01:15:09,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111244648] [2023-03-31 01:15:09,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:09,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:15:09,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:09,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:15:09,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:09,904 INFO L87 Difference]: Start difference. First operand has 157 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 97 states have internal predecessors, (110), 42 states have call successors, (42), 26 states have call predecessors, (42), 26 states have return successors, (42), 40 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:10,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:10,351 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2023-03-31 01:15:10,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:15:10,353 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2023-03-31 01:15:10,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:10,363 INFO L225 Difference]: With dead ends: 252 [2023-03-31 01:15:10,363 INFO L226 Difference]: Without dead ends: 137 [2023-03-31 01:15:10,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 01:15:10,369 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 75 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:10,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 20 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:15:10,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-03-31 01:15:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2023-03-31 01:15:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 61 states have (on average 1.2295081967213115) internal successors, (75), 69 states have internal predecessors, (75), 26 states have call successors, (26), 23 states have call predecessors, (26), 18 states have return successors, (21), 19 states have call predecessors, (21), 21 states have call successors, (21) [2023-03-31 01:15:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2023-03-31 01:15:10,426 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2023-03-31 01:15:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:10,427 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2023-03-31 01:15:10,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2023-03-31 01:15:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-03-31 01:15:10,429 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:10,429 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] [2023-03-31 01:15:10,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:15:10,430 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:10,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:10,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1985415158, now seen corresponding path program 1 times [2023-03-31 01:15:10,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:10,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942753229] [2023-03-31 01:15:10,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:10,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:10,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-03-31 01:15:10,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:10,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:10,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942753229] [2023-03-31 01:15:10,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942753229] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:10,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:10,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-03-31 01:15:10,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213325345] [2023-03-31 01:15:10,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:10,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-03-31 01:15:10,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:10,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-03-31 01:15:10,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-03-31 01:15:10,536 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:10,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:10,866 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2023-03-31 01:15:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-03-31 01:15:10,867 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2023-03-31 01:15:10,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:10,872 INFO L225 Difference]: With dead ends: 181 [2023-03-31 01:15:10,872 INFO L226 Difference]: Without dead ends: 121 [2023-03-31 01:15:10,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-03-31 01:15:10,878 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 85 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:10,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 27 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:15:10,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-03-31 01:15:10,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2023-03-31 01:15:10,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 63 states have internal predecessors, (68), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-03-31 01:15:10,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2023-03-31 01:15:10,911 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2023-03-31 01:15:10,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:10,912 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2023-03-31 01:15:10,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 01:15:10,912 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2023-03-31 01:15:10,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-03-31 01:15:10,913 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:10,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:10,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 01:15:10,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:10,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:10,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1284488875, now seen corresponding path program 1 times [2023-03-31 01:15:10,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:10,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578330289] [2023-03-31 01:15:10,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:10,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-03-31 01:15:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:15:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:11,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:11,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578330289] [2023-03-31 01:15:11,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578330289] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:11,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-03-31 01:15:11,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405457588] [2023-03-31 01:15:11,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:11,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 01:15:11,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:11,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 01:15:11,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-03-31 01:15:11,187 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:11,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:11,695 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2023-03-31 01:15:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-03-31 01:15:11,695 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 52 [2023-03-31 01:15:11,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:11,697 INFO L225 Difference]: With dead ends: 194 [2023-03-31 01:15:11,698 INFO L226 Difference]: Without dead ends: 121 [2023-03-31 01:15:11,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:11,706 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 211 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:11,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 32 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:11,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-03-31 01:15:11,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2023-03-31 01:15:11,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 62 states have internal predecessors, (67), 23 states have call successors, (23), 22 states have call predecessors, (23), 18 states have return successors, (19), 17 states have call predecessors, (19), 19 states have call successors, (19) [2023-03-31 01:15:11,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2023-03-31 01:15:11,741 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2023-03-31 01:15:11,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:11,742 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2023-03-31 01:15:11,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (13), 5 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 01:15:11,743 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2023-03-31 01:15:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-03-31 01:15:11,750 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:11,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:11,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 01:15:11,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:11,752 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:11,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1618754368, now seen corresponding path program 1 times [2023-03-31 01:15:11,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:11,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508371277] [2023-03-31 01:15:11,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-03-31 01:15:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-03-31 01:15:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-03-31 01:15:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:12,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:12,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:12,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508371277] [2023-03-31 01:15:12,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508371277] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:12,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:12,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-03-31 01:15:12,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885630063] [2023-03-31 01:15:12,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:12,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-03-31 01:15:12,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:12,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-03-31 01:15:12,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2023-03-31 01:15:12,083 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand has 12 states, 12 states have (on average 3.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-03-31 01:15:13,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:13,174 INFO L93 Difference]: Finished difference Result 372 states and 494 transitions. [2023-03-31 01:15:13,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 01:15:13,174 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 60 [2023-03-31 01:15:13,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:13,184 INFO L225 Difference]: With dead ends: 372 [2023-03-31 01:15:13,184 INFO L226 Difference]: Without dead ends: 299 [2023-03-31 01:15:13,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:15:13,190 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 359 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:13,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 100 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-03-31 01:15:13,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-03-31 01:15:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2023-03-31 01:15:13,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 135 states have (on average 1.2148148148148148) internal successors, (164), 154 states have internal predecessors, (164), 50 states have call successors, (50), 45 states have call predecessors, (50), 44 states have return successors, (54), 41 states have call predecessors, (54), 46 states have call successors, (54) [2023-03-31 01:15:13,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2023-03-31 01:15:13,236 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 60 [2023-03-31 01:15:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:13,236 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2023-03-31 01:15:13,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 8 states have internal predecessors, (36), 4 states have call successors, (15), 6 states have call predecessors, (15), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2023-03-31 01:15:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2023-03-31 01:15:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-03-31 01:15:13,238 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:13,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:13,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 01:15:13,238 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:13,239 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:13,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1409753184, now seen corresponding path program 1 times [2023-03-31 01:15:13,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:13,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813339843] [2023-03-31 01:15:13,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:13,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:15:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:15:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-03-31 01:15:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-03-31 01:15:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-03-31 01:15:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 01:15:13,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:13,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813339843] [2023-03-31 01:15:13,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813339843] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:15:13,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:15:13,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-03-31 01:15:13,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285754863] [2023-03-31 01:15:13,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:15:13,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-03-31 01:15:13,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:13,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-03-31 01:15:13,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-03-31 01:15:13,357 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-03-31 01:15:13,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:13,588 INFO L93 Difference]: Finished difference Result 382 states and 463 transitions. [2023-03-31 01:15:13,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:15:13,589 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 68 [2023-03-31 01:15:13,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:13,590 INFO L225 Difference]: With dead ends: 382 [2023-03-31 01:15:13,590 INFO L226 Difference]: Without dead ends: 176 [2023-03-31 01:15:13,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-03-31 01:15:13,591 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 217 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:13,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 22 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 01:15:13,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2023-03-31 01:15:13,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2023-03-31 01:15:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 109 states have internal predecessors, (117), 33 states have call successors, (33), 33 states have call predecessors, (33), 30 states have return successors, (30), 29 states have call predecessors, (30), 29 states have call successors, (30) [2023-03-31 01:15:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2023-03-31 01:15:13,622 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2023-03-31 01:15:13,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:13,622 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2023-03-31 01:15:13,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 3 states have internal predecessors, (40), 3 states have call successors, (17), 6 states have call predecessors, (17), 2 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-03-31 01:15:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2023-03-31 01:15:13,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-03-31 01:15:13,627 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:15:13,627 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:15:13,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 01:15:13,627 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:15:13,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:15:13,628 INFO L85 PathProgramCache]: Analyzing trace with hash -216922039, now seen corresponding path program 1 times [2023-03-31 01:15:13,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:15:13,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122673533] [2023-03-31 01:15:13,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:13,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:15:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:15:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:15:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:15:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:15:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:15:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-03-31 01:15:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2023-03-31 01:15:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:15:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:15:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-03-31 01:15:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-03-31 01:15:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-03-31 01:15:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:15:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 01:15:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 01:15:13,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:15:13,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122673533] [2023-03-31 01:15:13,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122673533] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:15:13,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126465518] [2023-03-31 01:15:13,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:15:13,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:15:13,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:15:13,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:15:13,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:15:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:15:14,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 15 conjunts are in the unsatisfiable core [2023-03-31 01:15:14,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:15:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-03-31 01:15:14,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 01:15:14,630 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:15:14,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126465518] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 01:15:14,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 01:15:14,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 18 [2023-03-31 01:15:14,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991124386] [2023-03-31 01:15:14,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 01:15:14,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:15:14,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:15:14,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:15:14,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:15:14,635 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) [2023-03-31 01:15:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:15:15,158 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2023-03-31 01:15:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:15:15,158 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) Word has length 100 [2023-03-31 01:15:15,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:15:15,159 INFO L225 Difference]: With dead ends: 220 [2023-03-31 01:15:15,159 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 01:15:15,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 223 SyntacticMatches, 8 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:15:15,160 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 304 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:15:15,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 113 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:15:15,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 01:15:15,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 01:15:15,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 01:15:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 01:15:15,162 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2023-03-31 01:15:15,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:15:15,162 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 01:15:15,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 12 states have internal predecessors, (107), 7 states have call successors, (52), 11 states have call predecessors, (52), 10 states have return successors, (40), 8 states have call predecessors, (40), 7 states have call successors, (40) [2023-03-31 01:15:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 01:15:15,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 01:15:15,165 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 01:15:15,177 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:15:15,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 01:15:15,374 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 11) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 261) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point L257-1(lines 257 261) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point L252(line 252) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point L251-2(lines 251 272) no Hoare annotation was computed. [2023-03-31 01:15:17,115 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeFINAL(lines 226 281) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point L273(lines 250 274) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 226 281) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 226 281) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point L314-1(lines 314 318) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 282 341) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point L309(line 309) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point L308-2(lines 308 333) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point L334(lines 307 335) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 282 341) no Hoare annotation was computed. [2023-03-31 01:15:17,116 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 282 341) no Hoare annotation was computed. [2023-03-31 01:15:17,117 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-03-31 01:15:17,117 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2023-03-31 01:15:17,117 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:15:17,117 INFO L899 garLoopResultBuilder]: For program point valid_productFINAL(lines 78 86) no Hoare annotation was computed. [2023-03-31 01:15:17,117 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-03-31 01:15:17,117 INFO L895 garLoopResultBuilder]: At program point L892(line 892) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:15:17,118 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed. [2023-03-31 01:15:17,118 INFO L895 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:15:17,118 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-03-31 01:15:17,118 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed. [2023-03-31 01:15:17,118 INFO L899 garLoopResultBuilder]: For program point L886-1(lines 878 902) no Hoare annotation was computed. [2023-03-31 01:15:17,118 INFO L902 garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true [2023-03-31 01:15:17,118 INFO L899 garLoopResultBuilder]: For program point L884-1(line 884) no Hoare annotation was computed. [2023-03-31 01:15:17,118 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 878 902) no Hoare annotation was computed. [2023-03-31 01:15:17,118 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 878 902) the Hoare annotation is: true [2023-03-31 01:15:17,118 INFO L895 garLoopResultBuilder]: At program point L866-1(line 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-03-31 01:15:17,119 INFO L899 garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed. [2023-03-31 01:15:17,119 INFO L899 garLoopResultBuilder]: For program point L864-1(lines 864 871) no Hoare annotation was computed. [2023-03-31 01:15:17,119 INFO L899 garLoopResultBuilder]: For program point L862(line 862) no Hoare annotation was computed. [2023-03-31 01:15:17,119 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:17,119 INFO L895 garLoopResultBuilder]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:17,119 INFO L895 garLoopResultBuilder]: At program point L860-1(line 860) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:17,119 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 854 876) no Hoare annotation was computed. [2023-03-31 01:15:17,120 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 854 876) no Hoare annotation was computed. [2023-03-31 01:15:17,120 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 854 876) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:17,120 INFO L895 garLoopResultBuilder]: At program point L866(line 866) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~6 1))) [2023-03-31 01:15:17,120 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 813 836) no Hoare annotation was computed. [2023-03-31 01:15:17,120 INFO L899 garLoopResultBuilder]: For program point L831(line 831) no Hoare annotation was computed. [2023-03-31 01:15:17,120 INFO L899 garLoopResultBuilder]: For program point L830(line 830) no Hoare annotation was computed. [2023-03-31 01:15:17,120 INFO L899 garLoopResultBuilder]: For program point L829(line 829) no Hoare annotation was computed. [2023-03-31 01:15:17,120 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 813 836) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L827(line 827) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L826(line 826) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L825(line 825) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L824(line 824) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L822(line 822) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L821(line 821) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L820(line 820) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L819(line 819) no Hoare annotation was computed. [2023-03-31 01:15:17,121 INFO L899 garLoopResultBuilder]: For program point L818(line 818) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 813 836) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point L513(lines 513 520) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 527) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point L507-1(lines 507 527) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeFINAL(lines 493 538) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 493 538) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 493 538) no Hoare annotation was computed. [2023-03-31 01:15:17,122 INFO L895 garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-03-31 01:15:17,123 INFO L899 garLoopResultBuilder]: For program point L669-1(lines 650 674) no Hoare annotation was computed. [2023-03-31 01:15:17,123 INFO L895 garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:15:17,123 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 650 674) no Hoare annotation was computed. [2023-03-31 01:15:17,123 INFO L895 garLoopResultBuilder]: At program point L660(line 660) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:15:17,123 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed. [2023-03-31 01:15:17,123 INFO L895 garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (< ~waterLevel~0 1) (not (= 1 ~systemActive~0))) [2023-03-31 01:15:17,123 INFO L899 garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed. [2023-03-31 01:15:17,123 INFO L899 garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed. [2023-03-31 01:15:17,124 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 650 674) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-03-31 01:15:17,124 INFO L895 garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-03-31 01:15:17,124 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 543 608) no Hoare annotation was computed. [2023-03-31 01:15:17,124 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 595) no Hoare annotation was computed. [2023-03-31 01:15:17,124 INFO L895 garLoopResultBuilder]: At program point L591-2(lines 583 596) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-03-31 01:15:17,124 INFO L899 garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed. [2023-03-31 01:15:17,124 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 543 608) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:17,125 INFO L895 garLoopResultBuilder]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-03-31 01:15:17,125 INFO L899 garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed. [2023-03-31 01:15:17,125 INFO L895 garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-03-31 01:15:17,125 INFO L899 garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed. [2023-03-31 01:15:17,125 INFO L899 garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2023-03-31 01:15:17,125 INFO L895 garLoopResultBuilder]: At program point L598(lines 553 600) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-03-31 01:15:17,125 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 559) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 543 608) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 141 163) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 157) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-03-31 01:15:17,126 INFO L899 garLoopResultBuilder]: For program point L688-1(line 688) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 683 699) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 683 699) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point L694(line 694) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point L694-1(lines 683 699) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 696) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 164 172) the Hoare annotation is: true [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 132 140) the Hoare annotation is: true [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2023-03-31 01:15:17,127 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2023-03-31 01:15:17,128 INFO L895 garLoopResultBuilder]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:17,128 INFO L895 garLoopResultBuilder]: At program point L629(lines 629 635) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:17,128 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:17,128 INFO L899 garLoopResultBuilder]: For program point L622(lines 621 640) no Hoare annotation was computed. [2023-03-31 01:15:17,128 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed. [2023-03-31 01:15:17,131 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 618 641) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (and .cse2 (= ~waterLevel~0 1))) (or .cse0 (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1 (< |old(~waterLevel~0)| 2)))) [2023-03-31 01:15:17,132 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 618 641) no Hoare annotation was computed. [2023-03-31 01:15:17,132 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed. [2023-03-31 01:15:17,132 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed. [2023-03-31 01:15:17,132 INFO L902 garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true [2023-03-31 01:15:17,132 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-03-31 01:15:17,132 INFO L902 garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true [2023-03-31 01:15:17,132 INFO L902 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true [2023-03-31 01:15:17,132 INFO L899 garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed. [2023-03-31 01:15:17,133 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 783 812) the Hoare annotation is: true [2023-03-31 01:15:17,133 INFO L902 garLoopResultBuilder]: At program point L808(lines 783 812) the Hoare annotation is: true [2023-03-31 01:15:17,133 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-03-31 01:15:17,133 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2023-03-31 01:15:17,133 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 96 107) the Hoare annotation is: true [2023-03-31 01:15:17,133 INFO L899 garLoopResultBuilder]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2023-03-31 01:15:17,133 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 764 771) no Hoare annotation was computed. [2023-03-31 01:15:17,133 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 764 771) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2023-03-31 01:15:17,133 INFO L899 garLoopResultBuilder]: For program point startSystemFINAL(lines 764 771) no Hoare annotation was computed. [2023-03-31 01:15:17,134 INFO L899 garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2023-03-31 01:15:17,134 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2023-03-31 01:15:17,134 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 (= ~waterLevel~0 1)) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) (= |old(~waterLevel~0)| ~waterLevel~0)))) [2023-03-31 01:15:17,134 INFO L899 garLoopResultBuilder]: For program point __automaton_failFINAL(lines 773 780) no Hoare annotation was computed. [2023-03-31 01:15:17,134 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 773 780) the Hoare annotation is: true [2023-03-31 01:15:17,134 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed. [2023-03-31 01:15:17,134 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 773 780) no Hoare annotation was computed. [2023-03-31 01:15:17,134 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 675 682) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseFINAL(lines 675 682) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 675 682) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 719 727) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point isPumpRunningFINAL(lines 719 727) no Hoare annotation was computed. [2023-03-31 01:15:17,135 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 719 727) the Hoare annotation is: true [2023-03-31 01:15:17,135 INFO L899 garLoopResultBuilder]: For program point L735(lines 735 743) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point L735-2(lines 735 743) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point L758(line 758) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point L758-1(line 758) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point printPumpFINAL(lines 728 763) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point L747(lines 747 755) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 728 763) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point L747-2(lines 747 755) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 728 763) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 180 225) no Hoare annotation was computed. [2023-03-31 01:15:17,136 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 180 225) no Hoare annotation was computed. [2023-03-31 01:15:17,137 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setFINAL(lines 180 225) no Hoare annotation was computed. [2023-03-31 01:15:17,137 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 844 853) no Hoare annotation was computed. [2023-03-31 01:15:17,137 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 844 853) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 1 ~systemActive~0) (= ~waterLevel~0 1))) [2023-03-31 01:15:17,137 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 844 853) no Hoare annotation was computed. [2023-03-31 01:15:17,137 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed. [2023-03-31 01:15:17,137 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 708 718) the Hoare annotation is: true [2023-03-31 01:15:17,137 INFO L902 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: true [2023-03-31 01:15:17,137 INFO L899 garLoopResultBuilder]: For program point L713-1(line 713) no Hoare annotation was computed. [2023-03-31 01:15:17,137 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 708 718) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 700 707) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 700 707) the Hoare annotation is: true [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 700 707) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 447 492) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point L467(lines 467 474) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argFINAL(lines 447 492) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 481) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point L461-1(lines 461 481) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 447 492) no Hoare annotation was computed. [2023-03-31 01:15:17,138 INFO L899 garLoopResultBuilder]: For program point select_oneFINAL(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L409(line 409) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L409-1(line 409) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 372) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 443) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 344 446) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L393-2(lines 393 413) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 344 446) no Hoare annotation was computed. [2023-03-31 01:15:17,139 INFO L899 garLoopResultBuilder]: For program point L414(lines 392 415) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point L373(lines 373 389) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 344 446) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point L433(lines 433 440) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point L394(lines 393 413) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point L425(line 425) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point L425-1(line 425) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point L390(lines 390 431) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,140 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 01:15:17,140 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 837 843) no Hoare annotation was computed. [2023-03-31 01:15:17,141 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 837 843) the Hoare annotation is: true [2023-03-31 01:15:17,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,142 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2023-03-31 01:15:17,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 01:15:17,142 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 01:15:17,145 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-03-31 01:15:17,146 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 01:15:17,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 01:15:17 BoogieIcfgContainer [2023-03-31 01:15:17,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 01:15:17,158 INFO L158 Benchmark]: Toolchain (without parser) took 9055.30ms. Allocated memory was 183.5MB in the beginning and 354.4MB in the end (delta: 170.9MB). Free memory was 150.4MB in the beginning and 298.3MB in the end (delta: -147.9MB). Peak memory consumption was 206.0MB. Max. memory is 8.0GB. [2023-03-31 01:15:17,158 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 01:15:17,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.61ms. Allocated memory is still 183.5MB. Free memory was 150.0MB in the beginning and 132.1MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 01:15:17,159 INFO L158 Benchmark]: Boogie Preprocessor took 56.13ms. Allocated memory is still 183.5MB. Free memory was 132.1MB in the beginning and 128.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 01:15:17,159 INFO L158 Benchmark]: RCFGBuilder took 793.54ms. Allocated memory is still 183.5MB. Free memory was 128.6MB in the beginning and 91.3MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2023-03-31 01:15:17,159 INFO L158 Benchmark]: TraceAbstraction took 7779.13ms. Allocated memory was 183.5MB in the beginning and 354.4MB in the end (delta: 170.9MB). Free memory was 90.7MB in the beginning and 298.3MB in the end (delta: -207.6MB). Peak memory consumption was 146.3MB. Max. memory is 8.0GB. [2023-03-31 01:15:17,160 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 183.5MB. Free memory is still 135.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 421.61ms. Allocated memory is still 183.5MB. Free memory was 150.0MB in the beginning and 132.1MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 56.13ms. Allocated memory is still 183.5MB. Free memory was 132.1MB in the beginning and 128.6MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 793.54ms. Allocated memory is still 183.5MB. Free memory was 128.6MB in the beginning and 91.3MB in the end (delta: 37.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 7779.13ms. Allocated memory was 183.5MB in the beginning and 354.4MB in the end (delta: 170.9MB). Free memory was 90.7MB in the beginning and 298.3MB in the end (delta: -207.6MB). Peak memory consumption was 146.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 777]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1300 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1251 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 240 mSDsCounter, 748 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2700 IncrementalHoareTripleChecker+Invalid, 3448 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 748 mSolverCounterUnsat, 74 mSDtfsCounter, 2700 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 317 SyntacticMatches, 8 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=4, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 847 HoareAnnotationTreeSize, 306 FomulaSimplifications, 8288 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1807 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 473 NumberOfCodeBlocks, 473 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 565 ConstructedInterpolants, 0 QuantifiedInterpolants, 1321 SizeOfPredicates, 3 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 90/96 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || (((pumpRunning == 0 && splverifierCounter == 0) && 2 <= waterLevel) && 1 == systemActive)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && \old(waterLevel) == waterLevel) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) RESULT: Ultimate proved your program to be correct! [2023-03-31 01:15:17,180 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...