/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_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:23:40,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:23:40,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:23:40,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 15:23:40,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 15:23:40,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 15:23:40,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 15:23:40,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 15:23:40,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 15:23:40,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 15:23:40,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 15:23:40,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 15:23:40,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:23:40,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:23:40,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:23:40,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:23:40,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:23:40,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:23:40,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:23:40,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:23:40,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:23:40,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:23:40,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:23:40,575 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:23:40,578 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 15:23:40,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 15:23:40,579 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 15:23:40,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 15:23:40,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 15:23:40,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 15:23:40,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 15:23:40,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 15:23:40,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 15:23:40,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 15:23:40,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 15:23:40,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 15:23:40,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 15:23:40,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 15:23:40,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:23:40,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:23:40,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:23:40,590 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 [2021-02-21 15:23:40,616 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:23:40,617 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:23:40,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:23:40,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:23:40,619 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:23:40,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:23:40,619 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:23:40,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:23:40,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:23:40,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:23:40,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:23:40,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:23:40,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:23:40,621 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:23:40,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:23:40,621 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:23:40,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:23:40,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:23:40,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:23:40,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:23:40,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:23:40,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:23:40,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:23:40,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:23:40,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:23:40,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:23:40,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:23:40,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:23:40,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:23:41,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:23:41,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:23:41,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:23:41,089 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:23:41,090 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:23:41,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2021-02-21 15:23:41,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5999589e/f62df87458914fd1be7a2c763a9d0860/FLAG9163f55b9 [2021-02-21 15:23:41,933 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:23:41,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product10.cil.c [2021-02-21 15:23:41,964 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5999589e/f62df87458914fd1be7a2c763a9d0860/FLAG9163f55b9 [2021-02-21 15:23:42,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5999589e/f62df87458914fd1be7a2c763a9d0860 [2021-02-21 15:23:42,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:23:42,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:23:42,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:23:42,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:23:42,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:23:42,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42fffadf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42, skipping insertion in model container [2021-02-21 15:23:42,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:23:42,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:23:42,513 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_product10.cil.c[1281,1294] [2021-02-21 15:23:42,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:23:42,733 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:23:42,753 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_product10.cil.c[1281,1294] [2021-02-21 15:23:42,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:23:42,842 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:23:42,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42 WrapperNode [2021-02-21 15:23:42,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:23:42,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:23:42,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:23:42,844 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:23:42,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (1/1) ... [2021-02-21 15:23:42,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:23:42,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:23:42,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:23:42,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:23:42,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (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 [2021-02-21 15:23:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:23:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:23:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 15:23:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:23:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 15:23:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 15:23:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 15:23:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 15:23:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 15:23:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 15:23:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 15:23:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 15:23:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 15:23:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 15:23:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 15:23:43,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 15:23:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:23:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 15:23:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 15:23:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 15:23:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 15:23:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 15:23:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 15:23:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 15:23:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 15:23:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2021-02-21 15:23:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 15:23:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 15:23:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 15:23:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 15:23:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 15:23:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-21 15:23:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-21 15:23:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 15:23:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 15:23:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 15:23:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 15:23:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:23:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:23:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:23:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:23:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 15:23:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 15:23:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 15:23:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-21 15:23:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 15:23:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 15:23:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 15:23:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 15:23:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:23:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 15:23:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 15:23:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:23:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 15:23:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 15:23:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:23:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 15:23:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 15:23:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 15:23:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 15:23:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 15:23:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 15:23:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-21 15:23:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 15:23:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2021-02-21 15:23:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 15:23:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 15:23:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:23:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:23:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:23:44,673 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:23:44,674 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 15:23:44,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:23:44 BoogieIcfgContainer [2021-02-21 15:23:44,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:23:44,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:23:44,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:23:44,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:23:44,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:23:42" (1/3) ... [2021-02-21 15:23:44,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2980a581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:23:44, skipping insertion in model container [2021-02-21 15:23:44,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:23:42" (2/3) ... [2021-02-21 15:23:44,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2980a581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:23:44, skipping insertion in model container [2021-02-21 15:23:44,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:23:44" (3/3) ... [2021-02-21 15:23:44,689 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2021-02-21 15:23:44,696 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:23:44,701 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:23:44,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:23:44,777 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:23:44,777 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:23:44,777 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:23:44,777 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:23:44,777 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:23:44,778 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:23:44,778 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:23:44,778 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:23:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2021-02-21 15:23:44,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-21 15:23:44,807 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:23:44,808 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] [2021-02-21 15:23:44,808 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:23:44,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:23:44,815 INFO L82 PathProgramCache]: Analyzing trace with hash 563916964, now seen corresponding path program 1 times [2021-02-21 15:23:44,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:23:44,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053655041] [2021-02-21 15:23:44,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:23:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,832 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:23:45,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:23:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:23:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:23:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:23:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:23:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 15:23:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:23:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:45,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:45,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:23:45,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053655041] [2021-02-21 15:23:45,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:23:45,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 15:23:45,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66155498] [2021-02-21 15:23:45,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 15:23:45,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:23:46,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 15:23:46,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 15:23:46,010 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 3 states. [2021-02-21 15:23:47,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:23:47,312 INFO L93 Difference]: Finished difference Result 208 states and 280 transitions. [2021-02-21 15:23:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 15:23:47,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-21 15:23:47,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:23:47,327 INFO L225 Difference]: With dead ends: 208 [2021-02-21 15:23:47,327 INFO L226 Difference]: Without dead ends: 114 [2021-02-21 15:23:47,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 15:23:47,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2021-02-21 15:23:47,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 85. [2021-02-21 15:23:47,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2021-02-21 15:23:47,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2021-02-21 15:23:47,408 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 46 [2021-02-21 15:23:47,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:23:47,409 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2021-02-21 15:23:47,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 15:23:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2021-02-21 15:23:47,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-21 15:23:47,412 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:23:47,412 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] [2021-02-21 15:23:47,413 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:23:47,413 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:23:47,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:23:47,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1054125748, now seen corresponding path program 1 times [2021-02-21 15:23:47,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:23:47,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056441796] [2021-02-21 15:23:47,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:23:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,518 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,519 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:47,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,852 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:23:47,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:23:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:23:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:23:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:23:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:23:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 15:23:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-21 15:23:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:47,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:47,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:23:47,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056441796] [2021-02-21 15:23:47,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:23:47,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:23:47,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236045062] [2021-02-21 15:23:47,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:23:47,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:23:47,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:23:47,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:23:47,918 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 4 states. [2021-02-21 15:23:48,449 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:23:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:23:48,948 INFO L93 Difference]: Finished difference Result 137 states and 167 transitions. [2021-02-21 15:23:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 15:23:48,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-21 15:23:48,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:23:48,951 INFO L225 Difference]: With dead ends: 137 [2021-02-21 15:23:48,952 INFO L226 Difference]: Without dead ends: 98 [2021-02-21 15:23:48,953 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 [2021-02-21 15:23:48,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-21 15:23:48,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-02-21 15:23:48,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 15:23:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 86 transitions. [2021-02-21 15:23:48,988 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 86 transitions. Word has length 47 [2021-02-21 15:23:48,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:23:48,988 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 86 transitions. [2021-02-21 15:23:48,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:23:48,988 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 86 transitions. [2021-02-21 15:23:48,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-21 15:23:48,990 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:23:48,990 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] [2021-02-21 15:23:48,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:23:48,991 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:23:48,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:23:48,992 INFO L82 PathProgramCache]: Analyzing trace with hash 457294286, now seen corresponding path program 1 times [2021-02-21 15:23:48,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:23:48,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361223890] [2021-02-21 15:23:48,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:23:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:49,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:49,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:49,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:49,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:23:49,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:23:49,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:23:49,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:49,447 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:23:49,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:23:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 15:23:49,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:23:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:23:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:49,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:23:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:49,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:23:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:49,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:23:49,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-21 15:23:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:49,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:49,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:23:49,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361223890] [2021-02-21 15:23:49,536 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:23:49,536 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 15:23:49,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323513878] [2021-02-21 15:23:49,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 15:23:49,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:23:49,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 15:23:49,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 15:23:49,538 INFO L87 Difference]: Start difference. First operand 76 states and 86 transitions. Second operand 8 states. [2021-02-21 15:23:50,020 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:23:50,431 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:50,788 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:51,162 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:23:51,966 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2021-02-21 15:23:51,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 15:23:51,967 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2021-02-21 15:23:51,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:23:51,970 INFO L225 Difference]: With dead ends: 150 [2021-02-21 15:23:51,970 INFO L226 Difference]: Without dead ends: 98 [2021-02-21 15:23:51,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-21 15:23:51,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-02-21 15:23:52,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 76. [2021-02-21 15:23:52,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 15:23:52,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 85 transitions. [2021-02-21 15:23:52,007 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 85 transitions. Word has length 52 [2021-02-21 15:23:52,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:23:52,008 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 85 transitions. [2021-02-21 15:23:52,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 15:23:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2021-02-21 15:23:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-21 15:23:52,010 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:23:52,010 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] [2021-02-21 15:23:52,010 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:23:52,010 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:23:52,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:23:52,011 INFO L82 PathProgramCache]: Analyzing trace with hash 464747519, now seen corresponding path program 1 times [2021-02-21 15:23:52,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:23:52,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549874719] [2021-02-21 15:23:52,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:23:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,389 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:23:52,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:23:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:23:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:23:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:23:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:23:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-21 15:23:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-21 15:23:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:52,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-21 15:23:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:52,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:52,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:23:52,473 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549874719] [2021-02-21 15:23:52,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:23:52,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 15:23:52,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275229102] [2021-02-21 15:23:52,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 15:23:52,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:23:52,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 15:23:52,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-21 15:23:52,476 INFO L87 Difference]: Start difference. First operand 76 states and 85 transitions. Second operand 7 states. [2021-02-21 15:23:52,944 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:23:53,898 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:54,281 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:54,673 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:55,010 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:23:55,433 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:23:55,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:23:55,778 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2021-02-21 15:23:55,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 15:23:55,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2021-02-21 15:23:55,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:23:55,785 INFO L225 Difference]: With dead ends: 204 [2021-02-21 15:23:55,785 INFO L226 Difference]: Without dead ends: 152 [2021-02-21 15:23:55,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-21 15:23:55,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2021-02-21 15:23:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 119. [2021-02-21 15:23:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2021-02-21 15:23:55,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 136 transitions. [2021-02-21 15:23:55,826 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 136 transitions. Word has length 55 [2021-02-21 15:23:55,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:23:55,827 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 136 transitions. [2021-02-21 15:23:55,827 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 15:23:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 136 transitions. [2021-02-21 15:23:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-21 15:23:55,828 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:23:55,829 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] [2021-02-21 15:23:55,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 15:23:55,829 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:23:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:23:55,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1388370301, now seen corresponding path program 1 times [2021-02-21 15:23:55,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:23:55,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128378603] [2021-02-21 15:23:55,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:23:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:55,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:55,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:55,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:55,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:55,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:55,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:55,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:55,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,215 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:23:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:23:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:56,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:23:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:23:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:23:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:23:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-21 15:23:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-21 15:23:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-21 15:23:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:23:56,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-21 15:23:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:23:56,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:23:56,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:23:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:23:56,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128378603] [2021-02-21 15:23:56,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:23:56,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 15:23:56,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778972211] [2021-02-21 15:23:56,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 15:23:56,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:23:56,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 15:23:56,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 15:23:56,304 INFO L87 Difference]: Start difference. First operand 119 states and 136 transitions. Second operand 8 states. [2021-02-21 15:23:56,791 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:23:57,695 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:58,046 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:58,408 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:23:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:23:58,625 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2021-02-21 15:23:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 15:23:58,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-21 15:23:58,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:23:58,627 INFO L225 Difference]: With dead ends: 235 [2021-02-21 15:23:58,627 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 15:23:58,630 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-21 15:23:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 15:23:58,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 15:23:58,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 15:23:58,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 15:23:58,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-02-21 15:23:58,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:23:58,631 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 15:23:58,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 15:23:58,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 15:23:58,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 15:23:58,631 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 15:23:58,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 15:24:00,309 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 15 [2021-02-21 15:24:00,806 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-21 15:24:01,035 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-21 15:24:01,531 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-21 15:24:01,779 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-21 15:24:02,062 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-21 15:24:02,558 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-21 15:24:02,883 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-21 15:24:03,116 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-21 15:24:03,408 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 20 [2021-02-21 15:24:03,908 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 11 [2021-02-21 15:24:04,213 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:24:04,457 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-21 15:24:04,957 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-21 15:24:05,467 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-21 15:24:05,706 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-21 15:24:05,953 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:24:06,207 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:24:06,497 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-21 15:24:06,991 WARN L202 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-21 15:24:07,054 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 15:24:07,054 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 15:24:07,054 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 15:24:07,054 INFO L189 CegarLoopUtils]: For program point L385(line 385) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L384-2(lines 384 405) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L406(lines 383 407) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 359 414) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 359 414) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L390-1(lines 390 394) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 359 414) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L447-1(lines 447 451) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L442(line 442) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L441-2(lines 441 466) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 415 474) no Hoare annotation was computed. [2021-02-21 15:24:07,055 INFO L189 CegarLoopUtils]: For program point L467(lines 440 468) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 415 474) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L189 CegarLoopUtils]: For program point L460(line 460) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L189 CegarLoopUtils]: For program point L460-1(line 460) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 415 474) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 854 860) the Hoare annotation is: true [2021-02-21 15:24:07,056 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 854 860) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 861 869) no Hoare annotation was computed. [2021-02-21 15:24:07,056 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 861 869) the Hoare annotation is: true [2021-02-21 15:24:07,057 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 861 869) no Hoare annotation was computed. [2021-02-21 15:24:07,057 INFO L185 CegarLoopUtils]: At program point L289(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,057 INFO L185 CegarLoopUtils]: At program point L289-1(line 289) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,057 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 283 305) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,057 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 283 305) no Hoare annotation was computed. [2021-02-21 15:24:07,057 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 283 305) no Hoare annotation was computed. [2021-02-21 15:24:07,058 INFO L185 CegarLoopUtils]: At program point L295(line 295) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2021-02-21 15:24:07,058 INFO L185 CegarLoopUtils]: At program point L295-1(line 295) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0))) [2021-02-21 15:24:07,058 INFO L189 CegarLoopUtils]: For program point L293(lines 293 300) no Hoare annotation was computed. [2021-02-21 15:24:07,058 INFO L189 CegarLoopUtils]: For program point L293-1(lines 293 300) no Hoare annotation was computed. [2021-02-21 15:24:07,058 INFO L189 CegarLoopUtils]: For program point L291(line 291) no Hoare annotation was computed. [2021-02-21 15:24:07,058 INFO L185 CegarLoopUtils]: At program point L290(line 290) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,058 INFO L189 CegarLoopUtils]: For program point L257(line 257) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point L256(line 256) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 239 262) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point L255(line 255) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point L254(line 254) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point L253(line 253) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 239 262) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point L252(line 252) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 239 262) no Hoare annotation was computed. [2021-02-21 15:24:07,059 INFO L189 CegarLoopUtils]: For program point L251(line 251) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L250(line 250) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L249(line 249) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L248(line 248) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L247(line 247) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L246(line 246) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L245(line 245) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point L244(line 244) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseEXIT(lines 711 718) no Hoare annotation was computed. [2021-02-21 15:24:07,060 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseENTRY(lines 711 718) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__baseFINAL(lines 711 718) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 756 764) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 756 764) the Hoare annotation is: true [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 756 764) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point L795(line 795) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point L795-1(line 795) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point L784(lines 784 792) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 765 800) no Hoare annotation was computed. [2021-02-21 15:24:07,061 INFO L189 CegarLoopUtils]: For program point L784-2(lines 784 792) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 765 800) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point L772(lines 772 780) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 765 800) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point L772-2(lines 772 780) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 847 853) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 847 853) the Hoare annotation is: true [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 313 358) no Hoare annotation was computed. [2021-02-21 15:24:07,062 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 313 358) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 313 358) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point L640(lines 640 660) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point L640-1(lines 640 660) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 626 671) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 626 671) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point L646(lines 646 653) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 626 671) no Hoare annotation was computed. [2021-02-21 15:24:07,063 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 270 279) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 270 279) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 270 279) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 745 755) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point L750(line 750) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point L750-1(line 750) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 745 755) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 745 755) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point deactivatePumpENTRY(lines 737 744) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 737 744) no Hoare annotation was computed. [2021-02-21 15:24:07,064 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 737 744) no Hoare annotation was computed. [2021-02-21 15:24:07,065 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 704 710) no Hoare annotation was computed. [2021-02-21 15:24:07,065 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 704 710) the Hoare annotation is: true [2021-02-21 15:24:07,065 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 140 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,065 INFO L189 CegarLoopUtils]: For program point L188(lines 188 192) no Hoare annotation was computed. [2021-02-21 15:24:07,065 INFO L185 CegarLoopUtils]: At program point L188-2(lines 180 193) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,065 INFO L189 CegarLoopUtils]: For program point L151(lines 150 197) no Hoare annotation was computed. [2021-02-21 15:24:07,065 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 140 205) no Hoare annotation was computed. [2021-02-21 15:24:07,066 INFO L185 CegarLoopUtils]: At program point L182(line 182) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,066 INFO L189 CegarLoopUtils]: For program point L180(lines 180 193) no Hoare annotation was computed. [2021-02-21 15:24:07,066 INFO L185 CegarLoopUtils]: At program point L172(line 172) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,066 INFO L189 CegarLoopUtils]: For program point L170(lines 170 176) no Hoare annotation was computed. [2021-02-21 15:24:07,066 INFO L189 CegarLoopUtils]: For program point L170-1(lines 170 176) no Hoare annotation was computed. [2021-02-21 15:24:07,066 INFO L185 CegarLoopUtils]: At program point L195(lines 150 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,066 INFO L185 CegarLoopUtils]: At program point L162(line 162) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (and (= 1 ~systemActive~0) (= test_~splverifierCounter~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,066 INFO L189 CegarLoopUtils]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point L160-1(lines 160 166) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point L152(lines 152 156) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L185 CegarLoopUtils]: At program point L198(lines 149 199) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 140 205) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 580 625) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point L600(lines 600 607) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 580 625) no Hoare annotation was computed. [2021-02-21 15:24:07,067 INFO L189 CegarLoopUtils]: For program point L594(lines 594 614) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point L594-1(lines 594 614) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 580 625) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point L112(lines 112 120) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 477 579) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point L506(lines 506 522) no Hoare annotation was computed. [2021-02-21 15:24:07,068 INFO L189 CegarLoopUtils]: For program point L566(lines 566 573) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L527(lines 526 546) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L558(line 558) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L558-1(line 558) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L523(lines 523 564) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 477 579) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L542(line 542) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L542-1(line 542) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L501(lines 501 505) no Hoare annotation was computed. [2021-02-21 15:24:07,069 INFO L189 CegarLoopUtils]: For program point L565(lines 565 576) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 477 579) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point L526-2(lines 526 546) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point L547(lines 525 548) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 837 846) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 837 846) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 837 846) no Hoare annotation was computed. [2021-02-21 15:24:07,070 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~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~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 720 736) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point L731(line 731) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point L731-1(lines 720 736) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 720 736) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point L727(lines 727 733) no Hoare annotation was computed. [2021-02-21 15:24:07,071 INFO L189 CegarLoopUtils]: For program point L725(line 725) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point L725-1(line 725) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 127 135) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,072 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,073 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2021-02-21 15:24:07,073 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2021-02-21 15:24:07,073 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2021-02-21 15:24:07,073 INFO L185 CegarLoopUtils]: At program point L693(line 693) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,073 INFO L185 CegarLoopUtils]: At program point L691(lines 691 697) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,073 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 680 703) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,073 INFO L185 CegarLoopUtils]: At program point L686(line 686) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,073 INFO L189 CegarLoopUtils]: For program point L684(lines 683 702) no Hoare annotation was computed. [2021-02-21 15:24:07,074 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 680 703) no Hoare annotation was computed. [2021-02-21 15:24:07,074 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 680 703) no Hoare annotation was computed. [2021-02-21 15:24:07,074 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 208 237) no Hoare annotation was computed. [2021-02-21 15:24:07,074 INFO L189 CegarLoopUtils]: For program point L222(lines 222 226) no Hoare annotation was computed. [2021-02-21 15:24:07,074 INFO L192 CegarLoopUtils]: At program point L222-1(lines 222 226) the Hoare annotation is: true [2021-02-21 15:24:07,074 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 208 237) the Hoare annotation is: true [2021-02-21 15:24:07,074 INFO L189 CegarLoopUtils]: For program point L219(line 219) no Hoare annotation was computed. [2021-02-21 15:24:07,074 INFO L192 CegarLoopUtils]: At program point L218-2(lines 218 232) the Hoare annotation is: true [2021-02-21 15:24:07,074 INFO L192 CegarLoopUtils]: At program point L214(line 214) the Hoare annotation is: true [2021-02-21 15:24:07,075 INFO L189 CegarLoopUtils]: For program point L214-1(line 214) no Hoare annotation was computed. [2021-02-21 15:24:07,075 INFO L192 CegarLoopUtils]: At program point L233(lines 208 237) the Hoare annotation is: true [2021-02-21 15:24:07,075 INFO L189 CegarLoopUtils]: For program point L229(line 229) no Hoare annotation was computed. [2021-02-21 15:24:07,075 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: true [2021-02-21 15:24:07,075 INFO L189 CegarLoopUtils]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2021-02-21 15:24:07,075 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2021-02-21 15:24:07,075 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 263 269) no Hoare annotation was computed. [2021-02-21 15:24:07,075 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 263 269) the Hoare annotation is: true [2021-02-21 15:24:07,075 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,076 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-21 15:24:07,076 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 15:24:07,076 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:24:07,076 INFO L189 CegarLoopUtils]: For program point startSystemEXIT(lines 801 808) no Hoare annotation was computed. [2021-02-21 15:24:07,076 INFO L185 CegarLoopUtils]: At program point startSystemENTRY(lines 801 808) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2021-02-21 15:24:07,076 INFO L189 CegarLoopUtils]: For program point startSystemFINAL(lines 801 808) no Hoare annotation was computed. [2021-02-21 15:24:07,076 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2021-02-21 15:24:07,076 INFO L189 CegarLoopUtils]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2021-02-21 15:24:07,077 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,077 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 42 49) no Hoare annotation was computed. [2021-02-21 15:24:07,077 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 46) no Hoare annotation was computed. [2021-02-21 15:24:07,077 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 42 49) the Hoare annotation is: true [2021-02-21 15:24:07,077 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 42 49) no Hoare annotation was computed. [2021-02-21 15:24:07,077 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 810 834) the Hoare annotation is: true [2021-02-21 15:24:07,077 INFO L185 CegarLoopUtils]: At program point L824(line 824) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,078 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 810 834) no Hoare annotation was computed. [2021-02-21 15:24:07,078 INFO L189 CegarLoopUtils]: For program point L822(lines 822 828) no Hoare annotation was computed. [2021-02-21 15:24:07,078 INFO L185 CegarLoopUtils]: At program point L820(line 820) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-21 15:24:07,078 INFO L189 CegarLoopUtils]: For program point L820-1(line 820) no Hoare annotation was computed. [2021-02-21 15:24:07,078 INFO L189 CegarLoopUtils]: For program point L818(lines 818 831) no Hoare annotation was computed. [2021-02-21 15:24:07,078 INFO L189 CegarLoopUtils]: For program point L818-1(lines 810 834) no Hoare annotation was computed. [2021-02-21 15:24:07,078 INFO L192 CegarLoopUtils]: At program point L816(line 816) the Hoare annotation is: true [2021-02-21 15:24:07,078 INFO L189 CegarLoopUtils]: For program point L816-1(line 816) no Hoare annotation was computed. [2021-02-21 15:24:07,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:24:07 BoogieIcfgContainer [2021-02-21 15:24:07,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:24:07,096 INFO L168 Benchmark]: Toolchain (without parser) took 24870.66 ms. Allocated memory was 151.0 MB in the beginning and 380.6 MB in the end (delta: 229.6 MB). Free memory was 124.7 MB in the beginning and 221.8 MB in the end (delta: -97.1 MB). Peak memory consumption was 223.5 MB. Max. memory is 8.0 GB. [2021-02-21 15:24:07,096 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:24:07,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 577.41 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 103.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-02-21 15:24:07,097 INFO L168 Benchmark]: Boogie Preprocessor took 96.53 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 99.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-21 15:24:07,098 INFO L168 Benchmark]: RCFGBuilder took 1737.35 ms. Allocated memory is still 151.0 MB. Free memory was 99.7 MB in the beginning and 51.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. [2021-02-21 15:24:07,098 INFO L168 Benchmark]: TraceAbstraction took 22413.49 ms. Allocated memory was 151.0 MB in the beginning and 380.6 MB in the end (delta: 229.6 MB). Free memory was 50.9 MB in the beginning and 221.8 MB in the end (delta: -170.9 MB). Peak memory consumption was 148.6 MB. Max. memory is 8.0 GB. [2021-02-21 15:24:07,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 577.41 ms. Allocated memory is still 151.0 MB. Free memory was 123.6 MB in the beginning and 103.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 96.53 ms. Allocated memory is still 151.0 MB. Free memory was 103.6 MB in the beginning and 99.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1737.35 ms. Allocated memory is still 151.0 MB. Free memory was 99.7 MB in the beginning and 51.4 MB in the end (delta: 48.3 MB). Peak memory consumption was 48.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 22413.49 ms. Allocated memory was 151.0 MB in the beginning and 380.6 MB in the end (delta: 229.6 MB). Free memory was 50.9 MB in the beginning and 221.8 MB in the end (delta: -170.9 MB). Peak memory consumption was 148.6 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: 149]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(pumpRunning == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(pumpRunning == 0)) || (1 == systemActive && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 440 SDslu, 248 SDs, 0 SdLazy, 1160 SolverSat, 271 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=139occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 106 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 175 PreInvPairs, 205 NumberOfFragments, 635 HoareAnnotationTreeSize, 175 FomulaSimplifications, 31081 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 42 FomulaSimplificationsInter, 7386 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s 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...