/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_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:57:05,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:57:05,491 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:57:05,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:57:05,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:57:05,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:57:05,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:57:05,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:57:05,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:57:05,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:57:05,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:57:05,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:57:05,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:57:05,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:57:05,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:57:05,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:57:05,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:57:05,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:57:05,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:57:05,605 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:57:05,606 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:57:05,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:57:05,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:57:05,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:57:05,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:57:05,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:57:05,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:57:05,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:57:05,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:57:05,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:57:05,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:57:05,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:57:05,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:57:05,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:57:05,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:57:05,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:57:05,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:57:05,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:57:05,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:57:05,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:57:05,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:57:05,624 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 16:57:05,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:57:05,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:57:05,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:57:05,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:57:05,652 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:57:05,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:57:05,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:57:05,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:57:05,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:57:05,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:57:05,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:57:05,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:57:05,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:57:05,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:57:05,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:57:05,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:57:05,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:57:05,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:57:05,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:57:05,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:57:05,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:57:06,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:57:06,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:57:06,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:57:06,046 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:57:06,047 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:57:06,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2021-02-19 16:57:06,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c6410b2/7bbbec25211e424eb3f23c0adf8e5b43/FLAGe05ccb75b [2021-02-19 16:57:06,988 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:57:06,989 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product17.cil.c [2021-02-19 16:57:07,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c6410b2/7bbbec25211e424eb3f23c0adf8e5b43/FLAGe05ccb75b [2021-02-19 16:57:07,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c6410b2/7bbbec25211e424eb3f23c0adf8e5b43 [2021-02-19 16:57:07,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:57:07,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:57:07,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:07,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:57:07,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:57:07,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c46215 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07, skipping insertion in model container [2021-02-19 16:57:07,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:57:07,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:57:07,570 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_product17.cil.c[12699,12712] [2021-02-19 16:57:07,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:07,618 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:57:07,716 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_product17.cil.c[12699,12712] [2021-02-19 16:57:07,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:57:07,777 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:57:07,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07 WrapperNode [2021-02-19 16:57:07,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:57:07,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:57:07,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:57:07,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:57:07,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (1/1) ... [2021-02-19 16:57:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:57:07,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:57:07,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:57:07,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:57:07,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (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 16:57:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:57:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:57:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:08,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:57:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:08,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:57:08,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:57:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:57:08,030 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:57:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:57:08,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:57:08,034 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:57:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:57:08,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:57:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:57:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:57:08,036 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:57:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:57:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:57:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:57:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:57:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:57:08,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-19 16:57:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:57:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:57:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:57:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:57:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:57:08,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:57:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-19 16:57:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:57:08,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:57:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:57:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:57:08,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:57:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:57:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:57:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:57:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:57:08,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:57:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:57:08,044 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:57:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:57:08,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:57:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:57:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:57:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:57:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:57:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:57:08,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:57:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:57:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:57:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:57:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:57:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:57:08,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:57:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:57:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:57:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:57:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:57:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:57:08,050 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:57:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:57:08,054 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:57:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:57:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:57:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:57:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:57:08,055 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:57:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:57:08,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:57:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:57:08,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:57:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:57:08,060 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:57:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-19 16:57:08,061 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:57:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:57:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:57:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:57:08,062 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-19 16:57:08,063 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:57:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:57:08,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:57:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:57:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:57:08,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:57:09,394 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:57:09,395 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:57:09,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:09 BoogieIcfgContainer [2021-02-19 16:57:09,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:57:09,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:57:09,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:57:09,411 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:57:09,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:57:07" (1/3) ... [2021-02-19 16:57:09,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a593977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:09, skipping insertion in model container [2021-02-19 16:57:09,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:57:07" (2/3) ... [2021-02-19 16:57:09,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a593977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:57:09, skipping insertion in model container [2021-02-19 16:57:09,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:57:09" (3/3) ... [2021-02-19 16:57:09,417 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2021-02-19 16:57:09,425 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:57:09,431 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:57:09,453 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:57:09,501 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:57:09,503 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:57:09,503 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:57:09,503 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:57:09,503 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:57:09,504 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:57:09,505 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:57:09,505 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:57:09,535 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2021-02-19 16:57:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:57:09,555 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:09,556 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 16:57:09,557 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:09,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:09,567 INFO L82 PathProgramCache]: Analyzing trace with hash 579602198, now seen corresponding path program 1 times [2021-02-19 16:57:09,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:09,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290422135] [2021-02-19 16:57:09,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,469 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:10,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:57:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:57:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:10,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:10,606 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:10,617 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 16:57:10,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290422135] [2021-02-19 16:57:10,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:10,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:57:10,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143722570] [2021-02-19 16:57:10,625 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:57:10,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:10,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:57:10,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:57:10,643 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2021-02-19 16:57:11,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:11,894 INFO L93 Difference]: Finished difference Result 247 states and 327 transitions. [2021-02-19 16:57:11,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:57:11,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:57:11,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:11,912 INFO L225 Difference]: With dead ends: 247 [2021-02-19 16:57:11,913 INFO L226 Difference]: Without dead ends: 134 [2021-02-19 16:57:11,918 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 16:57:11,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-19 16:57:12,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 104. [2021-02-19 16:57:12,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-02-19 16:57:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2021-02-19 16:57:12,052 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2021-02-19 16:57:12,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:12,053 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2021-02-19 16:57:12,054 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:57:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2021-02-19 16:57:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:57:12,057 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:12,058 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 16:57:12,058 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:57:12,058 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:12,059 INFO L82 PathProgramCache]: Analyzing trace with hash 790077605, now seen corresponding path program 1 times [2021-02-19 16:57:12,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:12,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407187813] [2021-02-19 16:57:12,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:12,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,551 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:12,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,621 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:57:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:57:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:12,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:12,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:12,677 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 16:57:12,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407187813] [2021-02-19 16:57:12,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:12,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:57:12,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075235840] [2021-02-19 16:57:12,681 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:57:12,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:12,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:57:12,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:57:12,683 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 4 states. [2021-02-19 16:57:13,361 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:14,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:14,154 INFO L93 Difference]: Finished difference Result 180 states and 218 transitions. [2021-02-19 16:57:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:57:14,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:57:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:14,158 INFO L225 Difference]: With dead ends: 180 [2021-02-19 16:57:14,159 INFO L226 Difference]: Without dead ends: 118 [2021-02-19 16:57:14,160 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 16:57:14,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-02-19 16:57:14,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2021-02-19 16:57:14,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2021-02-19 16:57:14,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2021-02-19 16:57:14,212 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2021-02-19 16:57:14,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:14,213 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2021-02-19 16:57:14,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:57:14,213 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2021-02-19 16:57:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:57:14,215 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:14,216 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] [2021-02-19 16:57:14,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:57:14,216 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:14,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:14,217 INFO L82 PathProgramCache]: Analyzing trace with hash 408424102, now seen corresponding path program 1 times [2021-02-19 16:57:14,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:14,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902911804] [2021-02-19 16:57:14,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:14,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:14,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:14,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:57:14,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,688 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:14,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:57:14,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:14,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:57:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:57:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:14,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:14,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:14,835 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 16:57:14,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902911804] [2021-02-19 16:57:14,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:14,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:14,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260343223] [2021-02-19 16:57:14,838 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:14,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:14,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:14,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:14,840 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 8 states. [2021-02-19 16:57:15,345 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:15,760 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:16,134 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:16,515 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:17,594 INFO L93 Difference]: Finished difference Result 189 states and 232 transitions. [2021-02-19 16:57:17,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:57:17,595 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:57:17,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:17,602 INFO L225 Difference]: With dead ends: 189 [2021-02-19 16:57:17,603 INFO L226 Difference]: Without dead ends: 118 [2021-02-19 16:57:17,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 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 16:57:17,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-02-19 16:57:17,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2021-02-19 16:57:17,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2021-02-19 16:57:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2021-02-19 16:57:17,672 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2021-02-19 16:57:17,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:17,673 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2021-02-19 16:57:17,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:17,673 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2021-02-19 16:57:17,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:57:17,683 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:17,684 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] [2021-02-19 16:57:17,684 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:57:17,684 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:17,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:17,685 INFO L82 PathProgramCache]: Analyzing trace with hash 158753025, now seen corresponding path program 1 times [2021-02-19 16:57:17,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:17,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621915607] [2021-02-19 16:57:17,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:17,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:17,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:17,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,152 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:18,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-19 16:57:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:57:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:57:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:18,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:18,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:18,324 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 16:57:18,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621915607] [2021-02-19 16:57:18,325 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:18,325 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:57:18,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920788066] [2021-02-19 16:57:18,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:57:18,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:18,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:57:18,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:57:18,327 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 8 states. [2021-02-19 16:57:18,842 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:20,020 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:20,500 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:20,871 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:21,257 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:21,742 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:57:22,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:22,583 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2021-02-19 16:57:22,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:57:22,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:57:22,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:22,589 INFO L225 Difference]: With dead ends: 294 [2021-02-19 16:57:22,589 INFO L226 Difference]: Without dead ends: 223 [2021-02-19 16:57:22,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:22,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2021-02-19 16:57:22,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 157. [2021-02-19 16:57:22,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2021-02-19 16:57:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 182 transitions. [2021-02-19 16:57:22,662 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 182 transitions. Word has length 59 [2021-02-19 16:57:22,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:22,663 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 182 transitions. [2021-02-19 16:57:22,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:57:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2021-02-19 16:57:22,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-19 16:57:22,665 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:57:22,665 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] [2021-02-19 16:57:22,665 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:57:22,665 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:57:22,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:57:22,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1368520453, now seen corresponding path program 1 times [2021-02-19 16:57:22,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:57:22,666 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470166532] [2021-02-19 16:57:22,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:57:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:22,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:22,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:22,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,085 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:57:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:57:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:57:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:57:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:57:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:57:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:57:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:57:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:57:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:57:23,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 16:57:23,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:57:23,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:57:23,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:57:23,242 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 16:57:23,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470166532] [2021-02-19 16:57:23,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:57:23,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:57:23,243 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631346934] [2021-02-19 16:57:23,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:57:23,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:57:23,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:57:23,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:57:23,246 INFO L87 Difference]: Start difference. First operand 157 states and 182 transitions. Second operand 9 states. [2021-02-19 16:57:23,782 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:57:24,774 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:25,200 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:25,567 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:57:25,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:57:25,778 INFO L93 Difference]: Finished difference Result 273 states and 338 transitions. [2021-02-19 16:57:25,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:57:25,779 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-19 16:57:25,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:57:25,780 INFO L225 Difference]: With dead ends: 273 [2021-02-19 16:57:25,780 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:57:25,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:57:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:57:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:57:25,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:57:25,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:57:25,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-19 16:57:25,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:57:25,783 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:57:25,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:57:25,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:57:25,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:57:25,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:57:25,785 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:26,033 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 207 [2021-02-19 16:57:28,313 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:28,815 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:29,077 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:29,312 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:29,581 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:29,855 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:30,130 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:30,457 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:30,945 WARN L202 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:31,462 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:32,006 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:32,601 WARN L202 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:33,138 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:33,391 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:33,680 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:33,991 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:34,254 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:34,564 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-02-19 16:57:34,860 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-02-19 16:57:35,182 WARN L202 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:35,233 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:35,233 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:35,234 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:35,234 INFO L189 CegarLoopUtils]: For program point L154(lines 154 158) no Hoare annotation was computed. [2021-02-19 16:57:35,234 INFO L189 CegarLoopUtils]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2021-02-19 16:57:35,234 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-02-19 16:57:35,234 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 123 178) no Hoare annotation was computed. [2021-02-19 16:57:35,234 INFO L189 CegarLoopUtils]: For program point L148-2(lines 148 169) no Hoare annotation was computed. [2021-02-19 16:57:35,235 INFO L189 CegarLoopUtils]: For program point L170(lines 147 171) no Hoare annotation was computed. [2021-02-19 16:57:35,235 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 123 178) no Hoare annotation was computed. [2021-02-19 16:57:35,235 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 123 178) no Hoare annotation was computed. [2021-02-19 16:57:35,235 INFO L189 CegarLoopUtils]: For program point L224(line 224) no Hoare annotation was computed. [2021-02-19 16:57:35,235 INFO L189 CegarLoopUtils]: For program point L224-1(line 224) no Hoare annotation was computed. [2021-02-19 16:57:35,235 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 179 238) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point L211(lines 211 215) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point L211-1(lines 211 215) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 179 238) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point L205-2(lines 205 230) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 179 238) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point L231(lines 204 232) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2021-02-19 16:57:35,236 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2021-02-19 16:57:35,237 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2021-02-19 16:57:35,237 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2021-02-19 16:57:35,237 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 517 539) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:35,237 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 517 539) no Hoare annotation was computed. [2021-02-19 16:57:35,237 INFO L185 CegarLoopUtils]: At program point L529(line 529) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:35,237 INFO L185 CegarLoopUtils]: At program point L529-1(line 529) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:35,237 INFO L189 CegarLoopUtils]: For program point L527(lines 527 534) no Hoare annotation was computed. [2021-02-19 16:57:35,237 INFO L189 CegarLoopUtils]: For program point L527-1(lines 527 534) no Hoare annotation was computed. [2021-02-19 16:57:35,237 INFO L189 CegarLoopUtils]: For program point L525(line 525) no Hoare annotation was computed. [2021-02-19 16:57:35,237 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 517 539) no Hoare annotation was computed. [2021-02-19 16:57:35,238 INFO L185 CegarLoopUtils]: At program point L524(line 524) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:35,238 INFO L185 CegarLoopUtils]: At program point L523(line 523) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:35,238 INFO L185 CegarLoopUtils]: At program point L523-1(line 523) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:35,238 INFO L189 CegarLoopUtils]: For program point L481(line 481) no Hoare annotation was computed. [2021-02-19 16:57:35,238 INFO L189 CegarLoopUtils]: For program point L480(line 480) no Hoare annotation was computed. [2021-02-19 16:57:35,238 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 472 495) no Hoare annotation was computed. [2021-02-19 16:57:35,238 INFO L189 CegarLoopUtils]: For program point L479(line 479) no Hoare annotation was computed. [2021-02-19 16:57:35,238 INFO L189 CegarLoopUtils]: For program point L478(line 478) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 472 495) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 472 495) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L490(line 490) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L489(line 489) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L488(line 488) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L487(line 487) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L486(line 486) no Hoare annotation was computed. [2021-02-19 16:57:35,239 INFO L189 CegarLoopUtils]: For program point L485(line 485) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L189 CegarLoopUtils]: For program point L484(line 484) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L189 CegarLoopUtils]: For program point L483(line 483) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L189 CegarLoopUtils]: For program point L482(line 482) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 642 650) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 642 650) the Hoare annotation is: true [2021-02-19 16:57:35,240 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 642 650) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 687 705) the Hoare annotation is: true [2021-02-19 16:57:35,240 INFO L189 CegarLoopUtils]: For program point L696(lines 696 700) no Hoare annotation was computed. [2021-02-19 16:57:35,240 INFO L192 CegarLoopUtils]: At program point L694(line 694) the Hoare annotation is: true [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L696-2(lines 696 700) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 687 705) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L694-1(line 694) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 687 705) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L670(lines 670 678) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L670-2(lines 670 678) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L658(lines 658 666) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L658-2(lines 658 666) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 651 686) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L681(line 681) no Hoare annotation was computed. [2021-02-19 16:57:35,241 INFO L189 CegarLoopUtils]: For program point L681-1(line 681) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 651 686) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 651 686) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 77 122) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 77 122) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 77 122) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point L410(lines 410 417) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 390 435) no Hoare annotation was computed. [2021-02-19 16:57:35,242 INFO L189 CegarLoopUtils]: For program point L404(lines 404 424) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point L404-1(lines 404 424) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 390 435) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 390 435) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 504 513) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 504 513) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 504 513) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 631 641) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point L636(line 636) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point L636-1(line 636) no Hoare annotation was computed. [2021-02-19 16:57:35,243 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 631 641) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 631 641) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 623 630) the Hoare annotation is: true [2021-02-19 16:57:35,244 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 623 630) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 623 630) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L185 CegarLoopUtils]: At program point L609(line 609) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:35,244 INFO L189 CegarLoopUtils]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L185 CegarLoopUtils]: At program point L604(line 604) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:35,244 INFO L185 CegarLoopUtils]: At program point L600(line 600) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:35,244 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L189 CegarLoopUtils]: For program point L598(lines 598 606) no Hoare annotation was computed. [2021-02-19 16:57:35,244 INFO L185 CegarLoopUtils]: At program point L596(line 596) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:35,245 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:35,245 INFO L189 CegarLoopUtils]: For program point L596-1(line 596) no Hoare annotation was computed. [2021-02-19 16:57:35,245 INFO L189 CegarLoopUtils]: For program point L594(lines 594 611) no Hoare annotation was computed. [2021-02-19 16:57:35,245 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 582 588) no Hoare annotation was computed. [2021-02-19 16:57:35,245 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 582 588) the Hoare annotation is: true [2021-02-19 16:57:35,245 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 797 860) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:35,245 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 797 860) no Hoare annotation was computed. [2021-02-19 16:57:35,245 INFO L185 CegarLoopUtils]: At program point L853(lines 806 854) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:35,245 INFO L189 CegarLoopUtils]: For program point L843(lines 843 847) no Hoare annotation was computed. [2021-02-19 16:57:35,245 INFO L185 CegarLoopUtils]: At program point L843-2(lines 837 848) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L808(lines 807 852) no Hoare annotation was computed. [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L837(lines 837 848) no Hoare annotation was computed. [2021-02-19 16:57:35,246 INFO L185 CegarLoopUtils]: At program point L829(line 829) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L827(lines 827 833) no Hoare annotation was computed. [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L827-1(lines 827 833) no Hoare annotation was computed. [2021-02-19 16:57:35,246 INFO L185 CegarLoopUtils]: At program point L819(line 819) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:35,246 INFO L185 CegarLoopUtils]: At program point L850(lines 807 852) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L817(lines 817 823) no Hoare annotation was computed. [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L817-1(lines 817 823) no Hoare annotation was computed. [2021-02-19 16:57:35,246 INFO L189 CegarLoopUtils]: For program point L809(lines 809 813) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 797 860) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 344 389) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 344 389) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 344 389) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point L364(lines 364 371) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point L358(lines 358 378) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point L358-1(lines 358 378) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 787 795) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 787 795) the Hoare annotation is: true [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 787 795) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point L763(lines 763 771) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 755 777) no Hoare annotation was computed. [2021-02-19 16:57:35,247 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 755 777) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 755 777) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L322-1(line 322) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L287(lines 287 328) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 241 343) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L306(line 306) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L306-1(line 306) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L265(lines 265 269) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L329(lines 329 340) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 241 343) no Hoare annotation was computed. [2021-02-19 16:57:35,248 INFO L189 CegarLoopUtils]: For program point L292(lines 292 296) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point L290-2(lines 290 310) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point L311(lines 289 312) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 241 343) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point L270(lines 270 286) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point L330(lines 330 337) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point L291(lines 290 310) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point L322(line 322) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 863 872) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 863 872) no Hoare annotation was computed. [2021-02-19 16:57:35,249 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 863 872) no Hoare annotation was computed. [2021-02-19 16:57:35,250 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,250 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.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~string50.offset| |old(#t~string50.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:35,250 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,250 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 615 622) no Hoare annotation was computed. [2021-02-19 16:57:35,250 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 615 622) no Hoare annotation was computed. [2021-02-19 16:57:35,250 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 615 622) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 778 786) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 778 786) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 778 786) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point L738-1(lines 734 745) no Hoare annotation was computed. [2021-02-19 16:57:35,251 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 734 745) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:35,251 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 734 745) no Hoare annotation was computed. [2021-02-19 16:57:35,252 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 746 754) the Hoare annotation is: true [2021-02-19 16:57:35,252 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 746 754) no Hoare annotation was computed. [2021-02-19 16:57:35,252 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 746 754) no Hoare annotation was computed. [2021-02-19 16:57:35,252 INFO L185 CegarLoopUtils]: At program point L571(line 571) 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 16:57:35,252 INFO L185 CegarLoopUtils]: At program point L569(lines 569 575) 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 16:57:35,252 INFO L185 CegarLoopUtils]: At program point L564(line 564) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:35,252 INFO L189 CegarLoopUtils]: For program point L562(lines 561 580) no Hoare annotation was computed. [2021-02-19 16:57:35,252 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 558 581) 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 16:57:35,253 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 558 581) no Hoare annotation was computed. [2021-02-19 16:57:35,253 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 558 581) no Hoare annotation was computed. [2021-02-19 16:57:35,253 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 439 468) no Hoare annotation was computed. [2021-02-19 16:57:35,253 INFO L192 CegarLoopUtils]: At program point L449-2(lines 449 463) the Hoare annotation is: true [2021-02-19 16:57:35,253 INFO L192 CegarLoopUtils]: At program point L445(line 445) the Hoare annotation is: true [2021-02-19 16:57:35,253 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 439 468) the Hoare annotation is: true [2021-02-19 16:57:35,253 INFO L189 CegarLoopUtils]: For program point L445-1(line 445) no Hoare annotation was computed. [2021-02-19 16:57:35,253 INFO L192 CegarLoopUtils]: At program point L464(lines 439 468) the Hoare annotation is: true [2021-02-19 16:57:35,253 INFO L189 CegarLoopUtils]: For program point L460(line 460) no Hoare annotation was computed. [2021-02-19 16:57:35,253 INFO L189 CegarLoopUtils]: For program point L453(lines 453 457) no Hoare annotation was computed. [2021-02-19 16:57:35,254 INFO L192 CegarLoopUtils]: At program point L453-1(lines 453 457) the Hoare annotation is: true [2021-02-19 16:57:35,254 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2021-02-19 16:57:35,254 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 710 721) the Hoare annotation is: true [2021-02-19 16:57:35,254 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 710 721) no Hoare annotation was computed. [2021-02-19 16:57:35,254 INFO L189 CegarLoopUtils]: For program point L714-1(lines 710 721) no Hoare annotation was computed. [2021-02-19 16:57:35,254 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 496 502) no Hoare annotation was computed. [2021-02-19 16:57:35,254 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 496 502) the Hoare annotation is: true [2021-02-19 16:57:35,254 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,254 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 16:57:35,254 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:35,255 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:35,255 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 722 733) no Hoare annotation was computed. [2021-02-19 16:57:35,255 INFO L189 CegarLoopUtils]: For program point L726-1(lines 722 733) no Hoare annotation was computed. [2021-02-19 16:57:35,255 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 722 733) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:35,255 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 541 548) no Hoare annotation was computed. [2021-02-19 16:57:35,255 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2021-02-19 16:57:35,255 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 541 548) the Hoare annotation is: true [2021-02-19 16:57:35,255 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 541 548) no Hoare annotation was computed. [2021-02-19 16:57:35,255 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 45 69) the Hoare annotation is: true [2021-02-19 16:57:35,256 INFO L185 CegarLoopUtils]: At program point L59(line 59) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:35,256 INFO L189 CegarLoopUtils]: For program point L57(lines 57 63) no Hoare annotation was computed. [2021-02-19 16:57:35,256 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 45 69) no Hoare annotation was computed. [2021-02-19 16:57:35,256 INFO L185 CegarLoopUtils]: At program point L55(line 55) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:35,256 INFO L189 CegarLoopUtils]: For program point L55-1(line 55) no Hoare annotation was computed. [2021-02-19 16:57:35,256 INFO L189 CegarLoopUtils]: For program point L53(lines 53 66) no Hoare annotation was computed. [2021-02-19 16:57:35,256 INFO L189 CegarLoopUtils]: For program point L53-1(lines 45 69) no Hoare annotation was computed. [2021-02-19 16:57:35,256 INFO L192 CegarLoopUtils]: At program point L51(line 51) the Hoare annotation is: true [2021-02-19 16:57:35,256 INFO L189 CegarLoopUtils]: For program point L51-1(line 51) no Hoare annotation was computed. [2021-02-19 16:57:35,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:35 BoogieIcfgContainer [2021-02-19 16:57:35,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:35,274 INFO L168 Benchmark]: Toolchain (without parser) took 28058.19 ms. Allocated memory was 173.0 MB in the beginning and 450.9 MB in the end (delta: 277.9 MB). Free memory was 147.6 MB in the beginning and 231.9 MB in the end (delta: -84.3 MB). Peak memory consumption was 268.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:35,275 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 173.0 MB. Free memory is still 145.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:35,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.76 ms. Allocated memory is still 173.0 MB. Free memory was 146.5 MB in the beginning and 126.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:35,276 INFO L168 Benchmark]: Boogie Preprocessor took 94.58 ms. Allocated memory is still 173.0 MB. Free memory was 126.1 MB in the beginning and 122.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:35,276 INFO L168 Benchmark]: RCFGBuilder took 1527.00 ms. Allocated memory is still 173.0 MB. Free memory was 122.3 MB in the beginning and 71.9 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:35,277 INFO L168 Benchmark]: TraceAbstraction took 25867.41 ms. Allocated memory was 173.0 MB in the beginning and 450.9 MB in the end (delta: 277.9 MB). Free memory was 71.9 MB in the beginning and 231.9 MB in the end (delta: -160.0 MB). Peak memory consumption was 192.4 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:35,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 173.0 MB. Free memory is still 145.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 548.76 ms. Allocated memory is still 173.0 MB. Free memory was 146.5 MB in the beginning and 126.1 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 94.58 ms. Allocated memory is still 173.0 MB. Free memory was 126.1 MB in the beginning and 122.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1527.00 ms. Allocated memory is still 173.0 MB. Free memory was 122.3 MB in the beginning and 71.9 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25867.41 ms. Allocated memory was 173.0 MB in the beginning and 450.9 MB in the end (delta: 277.9 MB). Free memory was 71.9 MB in the beginning and 231.9 MB in the end (delta: -160.0 MB). Peak memory consumption was 192.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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: 439]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 807]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 217 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 417 SDtfs, 601 SDslu, 263 SDs, 0 SdLazy, 1508 SolverSat, 355 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred 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, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 670 HoareAnnotationTreeSize, 235 FomulaSimplifications, 36893 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 7854 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 78756 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...