/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_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,566 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,612 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,652 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,655 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,668 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 16:56:36,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,700 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,705 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,705 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,106 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,106 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2021-02-19 16:56:37,207 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bae38d9f/4ab3f6733f2749e380ecf5e366f5bddd/FLAGbd4a28e57 [2021-02-19 16:56:37,909 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:37,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product04.cil.c [2021-02-19 16:56:37,929 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bae38d9f/4ab3f6733f2749e380ecf5e366f5bddd/FLAGbd4a28e57 [2021-02-19 16:56:38,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bae38d9f/4ab3f6733f2749e380ecf5e366f5bddd [2021-02-19 16:56:38,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,228 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c4d8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,472 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_product04.cil.c[1281,1294] [2021-02-19 16:56:38,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,714 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,745 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_product04.cil.c[1281,1294] [2021-02-19 16:56:38,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,873 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:38,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38 WrapperNode [2021-02-19 16:56:38,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:38,878 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:38,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,954 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:38,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:38,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:38,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (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 16:56:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-19 16:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-19 16:56:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:56:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,135 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,136 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,291 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,301 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbdd07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (2/3) ... [2021-02-19 16:56:40,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbdd07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,311 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04.cil.c [2021-02-19 16:56:40,319 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,325 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,346 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,397 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,397 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,397 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,398 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,399 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,399 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,399 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,399 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2021-02-19 16:56:40,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,469 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,471 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 16:56:40,471 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,485 INFO L82 PathProgramCache]: Analyzing trace with hash -2050010910, now seen corresponding path program 1 times [2021-02-19 16:56:40,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559657566] [2021-02-19 16:56:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,373 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,556 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 16:56:41,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559657566] [2021-02-19 16:56:41,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198261951] [2021-02-19 16:56:41,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,622 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 3 states. [2021-02-19 16:56:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,745 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2021-02-19 16:56:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,766 INFO L225 Difference]: With dead ends: 228 [2021-02-19 16:56:42,766 INFO L226 Difference]: Without dead ends: 125 [2021-02-19 16:56:42,772 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 16:56:42,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2021-02-19 16:56:42,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2021-02-19 16:56:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-19 16:56:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2021-02-19 16:56:42,906 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2021-02-19 16:56:42,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,908 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2021-02-19 16:56:42,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,908 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2021-02-19 16:56:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,912 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,912 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 16:56:42,913 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,913 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1930107406, now seen corresponding path program 1 times [2021-02-19 16:56:42,914 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176108137] [2021-02-19 16:56:42,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,425 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,492 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 16:56:43,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176108137] [2021-02-19 16:56:43,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:43,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:43,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383231811] [2021-02-19 16:56:43,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,496 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2021-02-19 16:56:44,076 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:44,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:44,703 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2021-02-19 16:56:44,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:44,704 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:44,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:44,708 INFO L225 Difference]: With dead ends: 148 [2021-02-19 16:56:44,708 INFO L226 Difference]: Without dead ends: 109 [2021-02-19 16:56:44,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:44,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-19 16:56:44,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2021-02-19 16:56:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-19 16:56:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2021-02-19 16:56:44,751 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2021-02-19 16:56:44,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,751 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2021-02-19 16:56:44,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2021-02-19 16:56:44,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-19 16:56:44,753 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:44,754 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:44,754 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1536542870, now seen corresponding path program 1 times [2021-02-19 16:56:44,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75704918] [2021-02-19 16:56:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,229 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:45,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:45,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,319 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:56:45,321 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:56:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,364 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 16:56:45,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75704918] [2021-02-19 16:56:45,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:45,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:45,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902911804] [2021-02-19 16:56:45,366 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:45,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:45,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:45,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:45,367 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2021-02-19 16:56:45,902 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:46,359 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,768 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,189 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:48,101 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:49,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:49,275 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2021-02-19 16:56:49,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:49,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-19 16:56:49,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:49,280 INFO L225 Difference]: With dead ends: 302 [2021-02-19 16:56:49,281 INFO L226 Difference]: Without dead ends: 241 [2021-02-19 16:56:49,282 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:49,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2021-02-19 16:56:49,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2021-02-19 16:56:49,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2021-02-19 16:56:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2021-02-19 16:56:49,350 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2021-02-19 16:56:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:49,350 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2021-02-19 16:56:49,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2021-02-19 16:56:49,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-19 16:56:49,353 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:49,353 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] [2021-02-19 16:56:49,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:49,354 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:49,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:49,354 INFO L82 PathProgramCache]: Analyzing trace with hash 519626364, now seen corresponding path program 1 times [2021-02-19 16:56:49,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:49,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728599542] [2021-02-19 16:56:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,820 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:49,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-19 16:56:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,881 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-19 16:56:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-19 16:56:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,913 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 16:56:49,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728599542] [2021-02-19 16:56:49,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 16:56:49,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577409557] [2021-02-19 16:56:49,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 16:56:49,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 16:56:49,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:56:49,916 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 7 states. [2021-02-19 16:56:50,437 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:51,640 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,051 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,415 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,800 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:53,236 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:53,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:53,676 INFO L93 Difference]: Finished difference Result 521 states and 661 transitions. [2021-02-19 16:56:53,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:53,679 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-02-19 16:56:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:53,687 INFO L225 Difference]: With dead ends: 521 [2021-02-19 16:56:53,687 INFO L226 Difference]: Without dead ends: 373 [2021-02-19 16:56:53,690 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-02-19 16:56:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 299. [2021-02-19 16:56:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-19 16:56:53,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2021-02-19 16:56:53,803 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2021-02-19 16:56:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:53,804 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2021-02-19 16:56:53,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 16:56:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2021-02-19 16:56:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:56:53,807 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:53,807 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 16:56:53,808 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:53,808 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:53,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1310687744, now seen corresponding path program 1 times [2021-02-19 16:56:53,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:53,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449740015] [2021-02-19 16:56:53,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,193 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:54,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:54,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:56:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:56:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:54,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:56:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:54,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:54,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,291 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 16:56:54,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449740015] [2021-02-19 16:56:54,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:54,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:54,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870052444] [2021-02-19 16:56:54,293 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:54,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:54,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:54,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:54,294 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 8 states. [2021-02-19 16:56:54,836 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:55,962 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,351 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,736 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:56,963 INFO L93 Difference]: Finished difference Result 609 states and 776 transitions. [2021-02-19 16:56:56,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:56:56,964 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:56:56,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:56,964 INFO L225 Difference]: With dead ends: 609 [2021-02-19 16:56:56,964 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:56,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:56,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:56,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:56,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:56,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-19 16:56:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:56,968 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:56,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:56,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:56,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:56,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:56,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:57:00,299 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:00,570 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:00,822 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,650 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 12 [2021-02-19 16:57:01,939 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,484 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:02,778 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:03,053 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:03,327 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:03,844 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 8 [2021-02-19 16:57:04,198 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:04,480 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:05,013 WARN L202 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:05,288 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:05,852 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:06,130 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:06,431 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:06,766 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:07,059 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:57:07,323 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:07,871 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:08,396 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point L347-1(lines 347 351) no Hoare annotation was computed. [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point L342(line 342) no Hoare annotation was computed. [2021-02-19 16:57:08,429 INFO L189 CegarLoopUtils]: For program point L341-2(lines 341 362) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 316 371) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point L363(lines 340 364) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 316 371) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 316 371) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point L417-1(line 417) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 372 431) no Hoare annotation was computed. [2021-02-19 16:57:08,430 INFO L189 CegarLoopUtils]: For program point L404(lines 404 408) no Hoare annotation was computed. [2021-02-19 16:57:08,431 INFO L189 CegarLoopUtils]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2021-02-19 16:57:08,431 INFO L189 CegarLoopUtils]: For program point L399(line 399) no Hoare annotation was computed. [2021-02-19 16:57:08,431 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 372 431) no Hoare annotation was computed. [2021-02-19 16:57:08,431 INFO L189 CegarLoopUtils]: For program point L398-2(lines 398 423) no Hoare annotation was computed. [2021-02-19 16:57:08,431 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 372 431) no Hoare annotation was computed. [2021-02-19 16:57:08,431 INFO L189 CegarLoopUtils]: For program point L424(lines 397 425) no Hoare annotation was computed. [2021-02-19 16:57:08,432 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 732 738) the Hoare annotation is: true [2021-02-19 16:57:08,432 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 732 738) no Hoare annotation was computed. [2021-02-19 16:57:08,432 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 739 747) no Hoare annotation was computed. [2021-02-19 16:57:08,432 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 739 747) the Hoare annotation is: true [2021-02-19 16:57:08,432 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 739 747) no Hoare annotation was computed. [2021-02-19 16:57:08,432 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 847 869) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,432 INFO L185 CegarLoopUtils]: At program point L859(line 859) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:08,433 INFO L185 CegarLoopUtils]: At program point L859-1(line 859) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:08,433 INFO L189 CegarLoopUtils]: For program point L857(lines 857 864) no Hoare annotation was computed. [2021-02-19 16:57:08,433 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 847 869) no Hoare annotation was computed. [2021-02-19 16:57:08,433 INFO L189 CegarLoopUtils]: For program point L857-1(lines 857 864) no Hoare annotation was computed. [2021-02-19 16:57:08,433 INFO L189 CegarLoopUtils]: For program point L855(line 855) no Hoare annotation was computed. [2021-02-19 16:57:08,433 INFO L185 CegarLoopUtils]: At program point L854(line 854) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,433 INFO L185 CegarLoopUtils]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,434 INFO L185 CegarLoopUtils]: At program point L853-1(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 847 869) no Hoare annotation was computed. [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 806 829) no Hoare annotation was computed. [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 806 829) no Hoare annotation was computed. [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 806 829) no Hoare annotation was computed. [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point L824(line 824) no Hoare annotation was computed. [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point L823(line 823) no Hoare annotation was computed. [2021-02-19 16:57:08,434 INFO L189 CegarLoopUtils]: For program point L822(line 822) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L821(line 821) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L820(line 820) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L819(line 819) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L818(line 818) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L817(line 817) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L816(line 816) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L815(line 815) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L814(line 814) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L813(line 813) no Hoare annotation was computed. [2021-02-19 16:57:08,435 INFO L189 CegarLoopUtils]: For program point L812(line 812) no Hoare annotation was computed. [2021-02-19 16:57:08,436 INFO L189 CegarLoopUtils]: For program point L811(line 811) no Hoare annotation was computed. [2021-02-19 16:57:08,436 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 240 254) no Hoare annotation was computed. [2021-02-19 16:57:08,436 INFO L185 CegarLoopUtils]: At program point L246(line 246) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:08,436 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 240 254) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:08,436 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 240 254) no Hoare annotation was computed. [2021-02-19 16:57:08,436 INFO L189 CegarLoopUtils]: For program point L244(lines 244 250) no Hoare annotation was computed. [2021-02-19 16:57:08,436 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 195 203) no Hoare annotation was computed. [2021-02-19 16:57:08,436 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 195 203) the Hoare annotation is: true [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 195 203) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point L223(lines 223 231) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point L223-2(lines 223 231) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point L211(lines 211 219) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point L211-2(lines 211 219) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 204 239) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point L234(line 234) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point L234-1(line 234) no Hoare annotation was computed. [2021-02-19 16:57:08,437 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 204 239) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 204 239) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 725 731) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 725 731) the Hoare annotation is: true [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 270 315) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 270 315) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 270 315) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point L603(lines 603 610) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 583 628) no Hoare annotation was computed. [2021-02-19 16:57:08,438 INFO L189 CegarLoopUtils]: For program point L597(lines 597 617) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 583 628) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 583 628) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 837 846) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 837 846) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 837 846) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 184 194) no Hoare annotation was computed. [2021-02-19 16:57:08,439 INFO L189 CegarLoopUtils]: For program point L189(line 189) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L189 CegarLoopUtils]: For program point L189-1(line 189) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 184 194) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 184 194) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 176 183) the Hoare annotation is: true [2021-02-19 16:57:08,440 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 176 183) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 176 183) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 161 167) no Hoare annotation was computed. [2021-02-19 16:57:08,440 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 161 167) the Hoare annotation is: true [2021-02-19 16:57:08,441 INFO L189 CegarLoopUtils]: For program point L97(lines 97 112) no Hoare annotation was computed. [2021-02-19 16:57:08,441 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 57 124) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,441 INFO L185 CegarLoopUtils]: At program point L89(line 89) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,441 INFO L189 CegarLoopUtils]: For program point L87(lines 87 93) no Hoare annotation was computed. [2021-02-19 16:57:08,441 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 57 124) no Hoare annotation was computed. [2021-02-19 16:57:08,441 INFO L189 CegarLoopUtils]: For program point L87-1(lines 87 93) no Hoare annotation was computed. [2021-02-19 16:57:08,441 INFO L185 CegarLoopUtils]: At program point L114(lines 67 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,442 INFO L185 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,442 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-02-19 16:57:08,442 INFO L189 CegarLoopUtils]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2021-02-19 16:57:08,442 INFO L189 CegarLoopUtils]: For program point L69(lines 69 73) no Hoare annotation was computed. [2021-02-19 16:57:08,442 INFO L185 CegarLoopUtils]: At program point L117(lines 66 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:08,442 INFO L185 CegarLoopUtils]: At program point L107(line 107) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,442 INFO L189 CegarLoopUtils]: For program point L105(lines 105 111) no Hoare annotation was computed. [2021-02-19 16:57:08,443 INFO L185 CegarLoopUtils]: At program point L105-1(lines 97 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,443 INFO L189 CegarLoopUtils]: For program point L68(lines 67 116) no Hoare annotation was computed. [2021-02-19 16:57:08,443 INFO L185 CegarLoopUtils]: At program point L99(line 99) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:08,443 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 57 124) no Hoare annotation was computed. [2021-02-19 16:57:08,443 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 537 582) no Hoare annotation was computed. [2021-02-19 16:57:08,443 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 537 582) no Hoare annotation was computed. [2021-02-19 16:57:08,443 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 537 582) no Hoare annotation was computed. [2021-02-19 16:57:08,443 INFO L189 CegarLoopUtils]: For program point L557(lines 557 564) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point L551(lines 551 571) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point L551-1(lines 551 571) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point L686(lines 686 694) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point L686-2(lines 686 694) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 678 700) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 678 700) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 678 700) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point L483-2(lines 483 503) no Hoare annotation was computed. [2021-02-19 16:57:08,444 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 434 536) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L504(lines 482 505) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L463(lines 463 479) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L523(lines 523 530) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 434 536) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L484(lines 483 503) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L515(line 515) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L515-1(line 515) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L480(lines 480 521) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L499(line 499) no Hoare annotation was computed. [2021-02-19 16:57:08,445 INFO L189 CegarLoopUtils]: For program point L499-1(line 499) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 434 536) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point L458(lines 458 462) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point L522(lines 522 533) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point L485(lines 485 489) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 715 724) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 715 724) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 715 724) no Hoare annotation was computed. [2021-02-19 16:57:08,446 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,447 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:08,447 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,447 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 168 175) no Hoare annotation was computed. [2021-02-19 16:57:08,447 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 168 175) no Hoare annotation was computed. [2021-02-19 16:57:08,447 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 168 175) no Hoare annotation was computed. [2021-02-19 16:57:08,447 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 701 709) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 701 709) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 701 709) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 657 668) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 657 668) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point L661-1(lines 657 668) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,448 INFO L185 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-02-19 16:57:08,449 INFO L185 CegarLoopUtils]: At program point L148(lines 148 154) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,449 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 137 160) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,449 INFO L185 CegarLoopUtils]: At program point L143(line 143) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:08,449 INFO L189 CegarLoopUtils]: For program point L141(lines 140 159) no Hoare annotation was computed. [2021-02-19 16:57:08,449 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 137 160) no Hoare annotation was computed. [2021-02-19 16:57:08,449 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 137 160) no Hoare annotation was computed. [2021-02-19 16:57:08,449 INFO L192 CegarLoopUtils]: At program point L801(lines 776 805) the Hoare annotation is: true [2021-02-19 16:57:08,449 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2021-02-19 16:57:08,449 INFO L189 CegarLoopUtils]: For program point L797(line 797) no Hoare annotation was computed. [2021-02-19 16:57:08,450 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2021-02-19 16:57:08,450 INFO L189 CegarLoopUtils]: For program point L790(lines 790 794) no Hoare annotation was computed. [2021-02-19 16:57:08,450 INFO L192 CegarLoopUtils]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2021-02-19 16:57:08,450 INFO L189 CegarLoopUtils]: For program point L787(line 787) no Hoare annotation was computed. [2021-02-19 16:57:08,450 INFO L192 CegarLoopUtils]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2021-02-19 16:57:08,450 INFO L192 CegarLoopUtils]: At program point L782(line 782) the Hoare annotation is: true [2021-02-19 16:57:08,450 INFO L189 CegarLoopUtils]: For program point L782-1(line 782) no Hoare annotation was computed. [2021-02-19 16:57:08,450 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 669 677) the Hoare annotation is: true [2021-02-19 16:57:08,450 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 669 677) no Hoare annotation was computed. [2021-02-19 16:57:08,451 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 669 677) no Hoare annotation was computed. [2021-02-19 16:57:08,451 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 633 644) the Hoare annotation is: true [2021-02-19 16:57:08,451 INFO L189 CegarLoopUtils]: For program point L637-1(lines 633 644) no Hoare annotation was computed. [2021-02-19 16:57:08,451 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 633 644) no Hoare annotation was computed. [2021-02-19 16:57:08,451 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2021-02-19 16:57:08,451 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2021-02-19 16:57:08,451 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,451 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 16:57:08,451 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:08,452 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:08,452 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 255 262) no Hoare annotation was computed. [2021-02-19 16:57:08,452 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 255 262) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,452 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 255 262) no Hoare annotation was computed. [2021-02-19 16:57:08,452 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 645 656) no Hoare annotation was computed. [2021-02-19 16:57:08,452 INFO L189 CegarLoopUtils]: For program point L649-1(lines 645 656) no Hoare annotation was computed. [2021-02-19 16:57:08,452 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 645 656) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:08,452 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2021-02-19 16:57:08,453 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-02-19 16:57:08,453 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2021-02-19 16:57:08,453 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2021-02-19 16:57:08,453 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 749 773) the Hoare annotation is: true [2021-02-19 16:57:08,453 INFO L185 CegarLoopUtils]: At program point L763(line 763) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:08,453 INFO L189 CegarLoopUtils]: For program point L761(lines 761 767) no Hoare annotation was computed. [2021-02-19 16:57:08,453 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 749 773) no Hoare annotation was computed. [2021-02-19 16:57:08,453 INFO L185 CegarLoopUtils]: At program point L759(line 759) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:08,454 INFO L189 CegarLoopUtils]: For program point L759-1(line 759) no Hoare annotation was computed. [2021-02-19 16:57:08,454 INFO L189 CegarLoopUtils]: For program point L757(lines 757 770) no Hoare annotation was computed. [2021-02-19 16:57:08,454 INFO L189 CegarLoopUtils]: For program point L757-1(lines 749 773) no Hoare annotation was computed. [2021-02-19 16:57:08,454 INFO L192 CegarLoopUtils]: At program point L755(line 755) the Hoare annotation is: true [2021-02-19 16:57:08,454 INFO L189 CegarLoopUtils]: For program point L755-1(line 755) no Hoare annotation was computed. [2021-02-19 16:57:08,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:08 BoogieIcfgContainer [2021-02-19 16:57:08,472 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:08,473 INFO L168 Benchmark]: Toolchain (without parser) took 30254.53 ms. Allocated memory was 151.0 MB in the beginning and 398.5 MB in the end (delta: 247.5 MB). Free memory was 124.4 MB in the beginning and 200.0 MB in the end (delta: -75.6 MB). Peak memory consumption was 235.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,473 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:08,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.00 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 103.6 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,475 INFO L168 Benchmark]: Boogie Preprocessor took 86.23 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 99.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,475 INFO L168 Benchmark]: RCFGBuilder took 1333.77 ms. Allocated memory is still 151.0 MB. Free memory was 99.9 MB in the beginning and 52.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 46.4 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,476 INFO L168 Benchmark]: TraceAbstraction took 28170.48 ms. Allocated memory was 151.0 MB in the beginning and 398.5 MB in the end (delta: 247.5 MB). Free memory was 52.1 MB in the beginning and 200.0 MB in the end (delta: -147.9 MB). Peak memory consumption was 163.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:08,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 644.00 ms. Allocated memory is still 151.0 MB. Free memory was 123.3 MB in the beginning and 103.6 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.23 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 99.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1333.77 ms. Allocated memory is still 151.0 MB. Free memory was 99.9 MB in the beginning and 52.6 MB in the end (delta: 47.3 MB). Peak memory consumption was 46.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28170.48 ms. Allocated memory was 151.0 MB in the beginning and 398.5 MB in the end (delta: 247.5 MB). Free memory was 52.1 MB in the beginning and 200.0 MB in the end (delta: -147.9 MB). Peak memory consumption was 163.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 404 SDtfs, 595 SDslu, 364 SDs, 0 SdLazy, 1481 SolverSat, 391 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 338 PreInvPairs, 411 NumberOfFragments, 663 HoareAnnotationTreeSize, 338 FomulaSimplifications, 60986 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 16062 FormulaSimplificationTreeSizeReductionInter, 8.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 75802 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...