/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:57:11,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:57:11,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:57:11,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:57:11,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:57:11,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:57:11,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:57:11,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:57:11,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:57:11,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:57:11,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:57:11,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:57:11,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:57:11,394 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:57:11,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:57:11,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:57:11,398 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:57:11,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:57:11,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:57:11,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:57:11,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:57:11,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:57:11,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:57:11,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:57:11,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:57:11,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:57:11,414 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:57:11,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:57:11,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:57:11,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:57:11,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:57:11,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:57:11,419 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:57:11,420 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:57:11,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:57:11,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:57:11,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:57:11,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:57:11,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:57:11,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:57:11,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:57:11,433 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 [2021-02-19 16:57:11,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:57:11,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:57:11,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:57:11,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:57:11,492 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:57:11,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:57:11,493 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:57:11,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:57:11,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:57:11,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:57:11,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:57:11,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:57:11,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:57:11,495 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:57:11,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:57:11,496 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:57:11,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:57:11,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:57:11,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:57:11,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:57:11,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:11,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:57:11,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:57:11,498 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:57:11,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:57:11,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:57:11,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:57:11,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:57:11,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:57:11,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:57:12,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:57:12,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:57:12,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:57:12,013 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:57:12,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2021-02-19 16:57:12,093 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54354021/34cc792de4b0460480cdd3a62fe35d09/FLAG353f63bf0 [2021-02-19 16:57:12,919 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:57:12,920 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c [2021-02-19 16:57:12,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54354021/34cc792de4b0460480cdd3a62fe35d09/FLAG353f63bf0 [2021-02-19 16:57:13,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e54354021/34cc792de4b0460480cdd3a62fe35d09 [2021-02-19 16:57:13,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:57:13,179 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:57:13,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:13,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:57:13,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:57:13,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:13,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bbabc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13, skipping insertion in model container [2021-02-19 16:57:13,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:13,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:57:13,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:57:13,671 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-02-19 16:57:13,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:13,696 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:57:13,838 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product26.cil.c[17537,17550] [2021-02-19 16:57:13,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:13,910 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:57:13,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13 WrapperNode [2021-02-19 16:57:13,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:13,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:57:13,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:57:13,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:57:13,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:13,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:13,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:13,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:13,991 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:14,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:14,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... [2021-02-19 16:57:14,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:57:14,032 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:57:14,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:57:14,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:57:14,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:14,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:57:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:57:14,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:57:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:57:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:57:14,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:57:14,127 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:57:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:57:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:57:14,128 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:57:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:57:14,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:57:14,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:57:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 16:57:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:57:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:57:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:57:14,132 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:57:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:57:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:57:14,133 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:57:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:57:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 16:57:14,135 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:57:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:57:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:57:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:57:14,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:57:14,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:57:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:57:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:57:14,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:57:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:57:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:57:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:57:14,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:57:14,140 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 16:57:14,141 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:57:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:57:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:57:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:57:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:57:14,142 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:57:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:57:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:57:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:57:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:57:14,143 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:57:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:57:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:57:14,144 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:57:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:57:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 16:57:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-19 16:57:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:57:14,145 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:57:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:57:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:57:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:57:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:57:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:57:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:57:14,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:57:14,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:57:14,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:57:15,421 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:57:15,421 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:57:15,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:15 BoogieIcfgContainer [2021-02-19 16:57:15,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:57:15,426 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:57:15,426 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:57:15,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:57:15,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:57:13" (1/3) ... [2021-02-19 16:57:15,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0dc04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:15, skipping insertion in model container [2021-02-19 16:57:15,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:13" (2/3) ... [2021-02-19 16:57:15,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0dc04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:15, skipping insertion in model container [2021-02-19 16:57:15,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:15" (3/3) ... [2021-02-19 16:57:15,433 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2021-02-19 16:57:15,440 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:57:15,445 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:57:15,465 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:57:15,496 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:57:15,497 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:57:15,497 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:57:15,497 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:57:15,497 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:57:15,497 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:57:15,497 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:57:15,497 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:57:15,519 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2021-02-19 16:57:15,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:57:15,528 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:15,528 INFO L422 BasicCegarLoop]: 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] [2021-02-19 16:57:15,529 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:15,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:15,535 INFO L82 PathProgramCache]: Analyzing trace with hash -89884697, now seen corresponding path program 1 times [2021-02-19 16:57:15,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:15,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707494836] [2021-02-19 16:57:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:15,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:15,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:15,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,284 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:57:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:16,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:16,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:16,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707494836] [2021-02-19 16:57:16,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:16,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:57:16,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111525179] [2021-02-19 16:57:16,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:57:16,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:16,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:57:16,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:16,515 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2021-02-19 16:57:17,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:17,692 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2021-02-19 16:57:17,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:57:17,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:57:17,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:17,715 INFO L225 Difference]: With dead ends: 256 [2021-02-19 16:57:17,715 INFO L226 Difference]: Without dead ends: 139 [2021-02-19 16:57:17,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:17,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2021-02-19 16:57:17,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2021-02-19 16:57:17,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2021-02-19 16:57:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2021-02-19 16:57:17,809 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2021-02-19 16:57:17,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:17,810 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2021-02-19 16:57:17,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:57:17,810 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2021-02-19 16:57:17,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:57:17,813 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:17,814 INFO L422 BasicCegarLoop]: 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] [2021-02-19 16:57:17,814 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:57:17,814 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:17,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:17,815 INFO L82 PathProgramCache]: Analyzing trace with hash -308205877, now seen corresponding path program 1 times [2021-02-19 16:57:17,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:17,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863630952] [2021-02-19 16:57:17,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:17,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,287 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:18,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:18,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:57:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:18,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863630952] [2021-02-19 16:57:18,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:18,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:57:18,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867152956] [2021-02-19 16:57:18,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:57:18,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:18,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:57:18,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:57:18,357 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2021-02-19 16:57:18,962 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:19,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:19,688 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2021-02-19 16:57:19,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:57:19,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:57:19,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:19,691 INFO L225 Difference]: With dead ends: 185 [2021-02-19 16:57:19,692 INFO L226 Difference]: Without dead ends: 123 [2021-02-19 16:57:19,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:57:19,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-02-19 16:57:19,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2021-02-19 16:57:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-19 16:57:19,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2021-02-19 16:57:19,741 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2021-02-19 16:57:19,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:19,742 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2021-02-19 16:57:19,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:57:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2021-02-19 16:57:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:57:19,744 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:19,744 INFO L422 BasicCegarLoop]: 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] [2021-02-19 16:57:19,744 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:57:19,746 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:19,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:19,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1600384825, now seen corresponding path program 1 times [2021-02-19 16:57:19,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:19,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304497322] [2021-02-19 16:57:19,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:19,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:19,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:19,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:19,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:19,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:19,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:19,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:19,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:19,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:19,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:20,285 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:57:20,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:20,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,353 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:57:20,354 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:57:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:20,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:20,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:20,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:57:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:20,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:20,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:20,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:20,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304497322] [2021-02-19 16:57:20,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:20,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:20,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208231683] [2021-02-19 16:57:20,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:20,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:20,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:20,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:20,394 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2021-02-19 16:57:20,929 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:21,359 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:21,768 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:22,138 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:23,212 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2021-02-19 16:57:23,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:57:23,213 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-19 16:57:23,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:23,216 INFO L225 Difference]: With dead ends: 198 [2021-02-19 16:57:23,217 INFO L226 Difference]: Without dead ends: 123 [2021-02-19 16:57:23,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 16:57:23,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2021-02-19 16:57:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2021-02-19 16:57:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-19 16:57:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2021-02-19 16:57:23,255 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2021-02-19 16:57:23,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:23,255 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2021-02-19 16:57:23,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2021-02-19 16:57:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-02-19 16:57:23,258 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:23,258 INFO L422 BasicCegarLoop]: 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] [2021-02-19 16:57:23,258 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:57:23,258 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:23,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:23,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1483599166, now seen corresponding path program 1 times [2021-02-19 16:57:23,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:23,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451008418] [2021-02-19 16:57:23,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,710 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:23,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:57:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-19 16:57:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-02-19 16:57:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:23,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451008418] [2021-02-19 16:57:23,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:23,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:23,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880205904] [2021-02-19 16:57:23,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:23,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:23,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:23,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:23,859 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2021-02-19 16:57:24,361 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:25,669 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:26,090 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:26,477 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:26,819 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:27,311 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:28,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:28,222 INFO L93 Difference]: Finished difference Result 309 states and 402 transitions. [2021-02-19 16:57:28,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:57:28,223 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2021-02-19 16:57:28,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:28,228 INFO L225 Difference]: With dead ends: 309 [2021-02-19 16:57:28,228 INFO L226 Difference]: Without dead ends: 234 [2021-02-19 16:57:28,229 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2021-02-19 16:57:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 165. [2021-02-19 16:57:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2021-02-19 16:57:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2021-02-19 16:57:28,287 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2021-02-19 16:57:28,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:28,288 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2021-02-19 16:57:28,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2021-02-19 16:57:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-02-19 16:57:28,290 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:28,290 INFO L422 BasicCegarLoop]: 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] [2021-02-19 16:57:28,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:57:28,291 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:28,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:28,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1424240762, now seen corresponding path program 1 times [2021-02-19 16:57:28,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:28,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504123173] [2021-02-19 16:57:28,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,706 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:28,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:28,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:57:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:57:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 16:57:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-02-19 16:57:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:28,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:28,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:28,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:57:28,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504123173] [2021-02-19 16:57:28,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:28,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:57:28,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010103370] [2021-02-19 16:57:28,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:57:28,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:28,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:57:28,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:57:28,829 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 9 states. [2021-02-19 16:57:29,410 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:30,533 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:30,920 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:31,293 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:31,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:31,515 INFO L93 Difference]: Finished difference Result 291 states and 358 transitions. [2021-02-19 16:57:31,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:57:31,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2021-02-19 16:57:31,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:31,517 INFO L225 Difference]: With dead ends: 291 [2021-02-19 16:57:31,517 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:57:31,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:31,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:57:31,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:57:31,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:57:31,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:57:31,520 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2021-02-19 16:57:31,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:31,520 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:57:31,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:57:31,521 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:57:31,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:57:31,521 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:57:31,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:33,753 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:33,982 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:34,425 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:34,639 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:34,915 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:35,185 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:35,733 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2021-02-19 16:57:36,212 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:36,525 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:37,001 WARN L202 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:37,521 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:38,030 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:38,285 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:38,784 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:39,079 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:39,347 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:39,621 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:39,882 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:40,168 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:40,509 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:40,881 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:40,902 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point L567(lines 567 571) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point L567-1(lines 567 571) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 536 591) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point L562(line 562) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point L561-2(lines 561 582) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point L583(lines 560 584) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 536 591) no Hoare annotation was computed. [2021-02-19 16:57:40,903 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 536 591) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L637(line 637) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L637-1(line 637) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 592 651) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L624(lines 624 628) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L624-1(lines 624 628) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 592 651) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L619(line 619) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 592 651) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L618-2(lines 618 643) no Hoare annotation was computed. [2021-02-19 16:57:40,904 INFO L189 CegarLoopUtils]: For program point L644(lines 617 645) no Hoare annotation was computed. [2021-02-19 16:57:40,905 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2021-02-19 16:57:40,905 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2021-02-19 16:57:40,905 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:40,905 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2021-02-19 16:57:40,905 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2021-02-19 16:57:40,906 INFO L189 CegarLoopUtils]: For program point L289(lines 289 296) no Hoare annotation was computed. [2021-02-19 16:57:40,906 INFO L189 CegarLoopUtils]: For program point L289-1(lines 289 296) no Hoare annotation was computed. [2021-02-19 16:57:40,906 INFO L189 CegarLoopUtils]: For program point L287(line 287) no Hoare annotation was computed. [2021-02-19 16:57:40,906 INFO L185 CegarLoopUtils]: At program point L286(line 286) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,907 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 279 301) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,907 INFO L185 CegarLoopUtils]: At program point L285(line 285) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,907 INFO L185 CegarLoopUtils]: At program point L285-1(line 285) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,907 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 279 301) no Hoare annotation was computed. [2021-02-19 16:57:40,907 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 279 301) no Hoare annotation was computed. [2021-02-19 16:57:40,907 INFO L185 CegarLoopUtils]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,908 INFO L185 CegarLoopUtils]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 237 260) no Hoare annotation was computed. [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point L255(line 255) no Hoare annotation was computed. [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point L254(line 254) no Hoare annotation was computed. [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point L253(line 253) no Hoare annotation was computed. [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 237 260) no Hoare annotation was computed. [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point L252(line 252) no Hoare annotation was computed. [2021-02-19 16:57:40,908 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 237 260) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L251(line 251) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L250(line 250) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L249(line 249) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L248(line 248) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L247(line 247) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L246(line 246) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L245(line 245) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L244(line 244) no Hoare annotation was computed. [2021-02-19 16:57:40,909 INFO L189 CegarLoopUtils]: For program point L243(line 243) no Hoare annotation was computed. [2021-02-19 16:57:40,910 INFO L189 CegarLoopUtils]: For program point L242(line 242) no Hoare annotation was computed. [2021-02-19 16:57:40,910 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2021-02-19 16:57:40,910 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2021-02-19 16:57:40,910 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2021-02-19 16:57:40,910 INFO L189 CegarLoopUtils]: For program point L465(lines 465 469) no Hoare annotation was computed. [2021-02-19 16:57:40,910 INFO L192 CegarLoopUtils]: At program point L463(line 463) the Hoare annotation is: true [2021-02-19 16:57:40,910 INFO L189 CegarLoopUtils]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2021-02-19 16:57:40,910 INFO L189 CegarLoopUtils]: For program point L463-1(line 463) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point L450-1(line 450) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point L439(lines 439 447) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point L439-2(lines 439 447) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 420 455) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point L427(lines 427 435) no Hoare annotation was computed. [2021-02-19 16:57:40,911 INFO L189 CegarLoopUtils]: For program point L427-2(lines 427 435) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 420 455) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 420 455) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 490 535) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 490 535) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 490 535) no Hoare annotation was computed. [2021-02-19 16:57:40,912 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 803 848) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point L823(lines 823 830) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point L817(lines 817 837) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point L817-1(lines 817 837) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 803 848) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 803 848) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 269 278) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 269 278) no Hoare annotation was computed. [2021-02-19 16:57:40,913 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 269 278) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 400 410) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point L405-1(line 405) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: true [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2021-02-19 16:57:40,914 INFO L185 CegarLoopUtils]: At program point L351(line 351) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,915 INFO L189 CegarLoopUtils]: For program point L349(lines 349 357) no Hoare annotation was computed. [2021-02-19 16:57:40,915 INFO L185 CegarLoopUtils]: At program point L347(line 347) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,915 INFO L189 CegarLoopUtils]: For program point L347-1(line 347) no Hoare annotation was computed. [2021-02-19 16:57:40,915 INFO L189 CegarLoopUtils]: For program point L345(lines 345 362) no Hoare annotation was computed. [2021-02-19 16:57:40,915 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 341 365) no Hoare annotation was computed. [2021-02-19 16:57:40,915 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 341 365) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,915 INFO L185 CegarLoopUtils]: At program point L360(line 360) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,915 INFO L189 CegarLoopUtils]: For program point L360-1(lines 341 365) no Hoare annotation was computed. [2021-02-19 16:57:40,916 INFO L185 CegarLoopUtils]: At program point L355(line 355) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,916 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 333 339) no Hoare annotation was computed. [2021-02-19 16:57:40,916 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 333 339) the Hoare annotation is: true [2021-02-19 16:57:40,916 INFO L185 CegarLoopUtils]: At program point L898-2(lines 890 903) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,916 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 850 915) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,916 INFO L189 CegarLoopUtils]: For program point L861(lines 860 907) no Hoare annotation was computed. [2021-02-19 16:57:40,917 INFO L185 CegarLoopUtils]: At program point L892(line 892) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,917 INFO L189 CegarLoopUtils]: For program point L890(lines 890 903) no Hoare annotation was computed. [2021-02-19 16:57:40,917 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 850 915) no Hoare annotation was computed. [2021-02-19 16:57:40,917 INFO L185 CegarLoopUtils]: At program point L882(line 882) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,917 INFO L189 CegarLoopUtils]: For program point L880(lines 880 886) no Hoare annotation was computed. [2021-02-19 16:57:40,917 INFO L189 CegarLoopUtils]: For program point L880-1(lines 880 886) no Hoare annotation was computed. [2021-02-19 16:57:40,917 INFO L185 CegarLoopUtils]: At program point L905(lines 860 907) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,917 INFO L185 CegarLoopUtils]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point L870(lines 870 876) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point L870-1(lines 870 876) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point L862(lines 862 866) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L185 CegarLoopUtils]: At program point L908(lines 859 909) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 850 915) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point L898(lines 898 902) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 757 802) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 757 802) no Hoare annotation was computed. [2021-02-19 16:57:40,918 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 757 802) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point L777(lines 777 784) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point L771(lines 771 791) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point L771-1(lines 771 791) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 366 373) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 366 373) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 366 373) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 166 174) no Hoare annotation was computed. [2021-02-19 16:57:40,919 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 166 174) the Hoare annotation is: true [2021-02-19 16:57:40,919 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 166 174) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point L142(lines 142 150) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point L142-2(lines 142 150) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 134 156) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 134 156) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 134 156) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point L704(lines 703 723) no Hoare annotation was computed. [2021-02-19 16:57:40,920 INFO L189 CegarLoopUtils]: For program point L735(line 735) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 654 756) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L735-1(line 735) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L700(lines 700 741) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L719(line 719) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L719-1(line 719) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L678(lines 678 682) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L742(lines 742 753) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 654 756) no Hoare annotation was computed. [2021-02-19 16:57:40,921 INFO L189 CegarLoopUtils]: For program point L705(lines 705 709) no Hoare annotation was computed. [2021-02-19 16:57:40,922 INFO L189 CegarLoopUtils]: For program point L703-2(lines 703 723) no Hoare annotation was computed. [2021-02-19 16:57:40,922 INFO L189 CegarLoopUtils]: For program point L724(lines 702 725) no Hoare annotation was computed. [2021-02-19 16:57:40,922 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 654 756) no Hoare annotation was computed. [2021-02-19 16:57:40,922 INFO L189 CegarLoopUtils]: For program point L683(lines 683 699) no Hoare annotation was computed. [2021-02-19 16:57:40,922 INFO L189 CegarLoopUtils]: For program point L743(lines 743 750) no Hoare annotation was computed. [2021-02-19 16:57:40,922 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point L382(lines 382 388) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point L380(line 380) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point L380-1(line 380) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 375 391) no Hoare annotation was computed. [2021-02-19 16:57:40,923 INFO L189 CegarLoopUtils]: For program point L386(line 386) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 157 165) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 157 165) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 157 165) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 113 124) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 113 124) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,924 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,925 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,925 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 125 133) the Hoare annotation is: true [2021-02-19 16:57:40,925 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 125 133) no Hoare annotation was computed. [2021-02-19 16:57:40,925 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 125 133) no Hoare annotation was computed. [2021-02-19 16:57:40,925 INFO L185 CegarLoopUtils]: At program point L320(lines 320 326) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,925 INFO L185 CegarLoopUtils]: At program point L315(line 315) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,925 INFO L189 CegarLoopUtils]: For program point L313(lines 312 331) no Hoare annotation was computed. [2021-02-19 16:57:40,925 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 309 332) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,926 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 309 332) no Hoare annotation was computed. [2021-02-19 16:57:40,926 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 309 332) no Hoare annotation was computed. [2021-02-19 16:57:40,926 INFO L185 CegarLoopUtils]: At program point L322(line 322) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:40,926 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 206 235) no Hoare annotation was computed. [2021-02-19 16:57:40,926 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 206 235) the Hoare annotation is: true [2021-02-19 16:57:40,926 INFO L189 CegarLoopUtils]: For program point L220(lines 220 224) no Hoare annotation was computed. [2021-02-19 16:57:40,926 INFO L192 CegarLoopUtils]: At program point L220-1(lines 220 224) the Hoare annotation is: true [2021-02-19 16:57:40,926 INFO L189 CegarLoopUtils]: For program point L217(line 217) no Hoare annotation was computed. [2021-02-19 16:57:40,926 INFO L192 CegarLoopUtils]: At program point L216-2(lines 216 230) the Hoare annotation is: true [2021-02-19 16:57:40,927 INFO L192 CegarLoopUtils]: At program point L212(line 212) the Hoare annotation is: true [2021-02-19 16:57:40,927 INFO L189 CegarLoopUtils]: For program point L212-1(line 212) no Hoare annotation was computed. [2021-02-19 16:57:40,927 INFO L192 CegarLoopUtils]: At program point L231(lines 206 235) the Hoare annotation is: true [2021-02-19 16:57:40,927 INFO L189 CegarLoopUtils]: For program point L227(line 227) no Hoare annotation was computed. [2021-02-19 16:57:40,927 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 89 100) the Hoare annotation is: true [2021-02-19 16:57:40,927 INFO L189 CegarLoopUtils]: For program point L93-1(lines 89 100) no Hoare annotation was computed. [2021-02-19 16:57:40,927 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 89 100) no Hoare annotation was computed. [2021-02-19 16:57:40,927 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 261 267) no Hoare annotation was computed. [2021-02-19 16:57:40,927 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 261 267) the Hoare annotation is: true [2021-02-19 16:57:40,928 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,928 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:40,928 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:40,928 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:40,928 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 475 482) no Hoare annotation was computed. [2021-02-19 16:57:40,928 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 475 482) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-19 16:57:40,928 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 475 482) no Hoare annotation was computed. [2021-02-19 16:57:40,928 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 101 112) no Hoare annotation was computed. [2021-02-19 16:57:40,929 INFO L189 CegarLoopUtils]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2021-02-19 16:57:40,929 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 101 112) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:40,929 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 917 924) no Hoare annotation was computed. [2021-02-19 16:57:40,929 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 921) no Hoare annotation was computed. [2021-02-19 16:57:40,929 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 917 924) the Hoare annotation is: true [2021-02-19 16:57:40,929 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 917 924) no Hoare annotation was computed. [2021-02-19 16:57:40,930 INFO L185 CegarLoopUtils]: At program point L192(line 192) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:40,930 INFO L189 CegarLoopUtils]: For program point L190(lines 190 196) no Hoare annotation was computed. [2021-02-19 16:57:40,930 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 178 202) the Hoare annotation is: true [2021-02-19 16:57:40,930 INFO L185 CegarLoopUtils]: At program point L188(line 188) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:40,930 INFO L189 CegarLoopUtils]: For program point L188-1(line 188) no Hoare annotation was computed. [2021-02-19 16:57:40,930 INFO L189 CegarLoopUtils]: For program point L186(lines 186 199) no Hoare annotation was computed. [2021-02-19 16:57:40,930 INFO L189 CegarLoopUtils]: For program point L186-1(lines 178 202) no Hoare annotation was computed. [2021-02-19 16:57:40,930 INFO L192 CegarLoopUtils]: At program point L184(line 184) the Hoare annotation is: true [2021-02-19 16:57:40,930 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 178 202) no Hoare annotation was computed. [2021-02-19 16:57:40,931 INFO L189 CegarLoopUtils]: For program point L184-1(line 184) no Hoare annotation was computed. [2021-02-19 16:57:40,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:40 BoogieIcfgContainer [2021-02-19 16:57:40,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:40,949 INFO L168 Benchmark]: Toolchain (without parser) took 27779.72 ms. Allocated memory was 151.0 MB in the beginning and 389.0 MB in the end (delta: 238.0 MB). Free memory was 124.6 MB in the beginning and 218.1 MB in the end (delta: -93.5 MB). Peak memory consumption was 230.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:40,949 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 131.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:40,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.75 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 130.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:40,950 INFO L168 Benchmark]: Boogie Preprocessor took 111.29 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 126.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:40,951 INFO L168 Benchmark]: RCFGBuilder took 1391.76 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 80.8 MB in the end (delta: 45.4 MB). Peak memory consumption was 47.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:40,951 INFO L168 Benchmark]: TraceAbstraction took 25521.91 ms. Allocated memory was 151.0 MB in the beginning and 389.0 MB in the end (delta: 238.0 MB). Free memory was 80.8 MB in the beginning and 218.1 MB in the end (delta: -137.3 MB). Peak memory consumption was 186.3 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:40,953 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 131.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 736.75 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 130.4 MB in the end (delta: -6.8 MB). Peak memory consumption was 25.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 111.29 ms. Allocated memory is still 151.0 MB. Free memory was 129.9 MB in the beginning and 126.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1391.76 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 80.8 MB in the end (delta: 45.4 MB). Peak memory consumption was 47.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25521.91 ms. Allocated memory was 151.0 MB in the beginning and 389.0 MB in the end (delta: 238.0 MB). Free memory was 80.8 MB in the beginning and 218.1 MB in the end (delta: -137.3 MB). Peak memory consumption was 186.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 921]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 859]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.0s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 667 SDslu, 278 SDs, 0 SdLazy, 1589 SolverSat, 447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, 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, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 741 HoareAnnotationTreeSize, 245 FomulaSimplifications, 44741 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 51 FomulaSimplificationsInter, 8187 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 80314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...