/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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,435 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,437 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,440 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,443 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,505 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,518 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-19 16:56:36,580 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,585 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,586 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,588 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,588 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,064 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,065 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2021-02-19 16:56:37,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efc8e765f/60418c12348f42bf9e34055b4be230d2/FLAGd3525e4f2 [2021-02-19 16:56:37,857 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:37,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product03.cil.c [2021-02-19 16:56:37,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efc8e765f/60418c12348f42bf9e34055b4be230d2/FLAGd3525e4f2 [2021-02-19 16:56:38,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efc8e765f/60418c12348f42bf9e34055b4be230d2 [2021-02-19 16:56:38,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,193 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78468e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38, skipping insertion in model container [2021-02-19 16:56:38,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,628 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_product03.cil.c[6562,6575] [2021-02-19 16:56:38,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,776 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,839 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_product03.cil.c[6562,6575] [2021-02-19 16:56:38,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,896 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:38,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38 WrapperNode [2021-02-19 16:56:38,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:38,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:38,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:39,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,196 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,198 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,199 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,199 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,201 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-19 16:56:39,202 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-19 16:56:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,317 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,325 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a0f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38" (2/3) ... [2021-02-19 16:56:40,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a0f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 04:56:40, skipping insertion in model container [2021-02-19 16:56:40,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40" (3/3) ... [2021-02-19 16:56:40,329 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2021-02-19 16:56:40,336 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,342 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,364 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,418 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,418 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,418 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,418 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,418 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,418 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,419 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,419 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2021-02-19 16:56:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,450 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:40,451 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,458 INFO L82 PathProgramCache]: Analyzing trace with hash -211696658, now seen corresponding path program 1 times [2021-02-19 16:56:40,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034822361] [2021-02-19 16:56:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:40,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:40,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:40,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:40,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,104 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:41,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034822361] [2021-02-19 16:56:41,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561744114] [2021-02-19 16:56:41,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,302 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2021-02-19 16:56:42,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:42,385 INFO L93 Difference]: Finished difference Result 219 states and 293 transitions. [2021-02-19 16:56:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:42,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:42,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:42,403 INFO L225 Difference]: With dead ends: 219 [2021-02-19 16:56:42,403 INFO L226 Difference]: Without dead ends: 120 [2021-02-19 16:56:42,408 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:42,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-19 16:56:42,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 90. [2021-02-19 16:56:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:56:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-02-19 16:56:42,545 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 46 [2021-02-19 16:56:42,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:42,546 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-02-19 16:56:42,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-02-19 16:56:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:42,551 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:42,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:42,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:42,551 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:42,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:42,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1227524414, now seen corresponding path program 1 times [2021-02-19 16:56:42,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:42,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704223106] [2021-02-19 16:56:42,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:42,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:42,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:42,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:42,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:42,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,041 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:43,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:43,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704223106] [2021-02-19 16:56:43,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:43,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:43,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793810459] [2021-02-19 16:56:43,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:43,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:43,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:43,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:43,112 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 4 states. [2021-02-19 16:56:43,679 WARN L202 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:44,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:44,316 INFO L93 Difference]: Finished difference Result 143 states and 174 transitions. [2021-02-19 16:56:44,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:44,317 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:44,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:44,320 INFO L225 Difference]: With dead ends: 143 [2021-02-19 16:56:44,321 INFO L226 Difference]: Without dead ends: 104 [2021-02-19 16:56:44,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:44,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-02-19 16:56:44,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 81. [2021-02-19 16:56:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2021-02-19 16:56:44,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2021-02-19 16:56:44,362 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 47 [2021-02-19 16:56:44,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:44,363 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2021-02-19 16:56:44,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:44,363 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2021-02-19 16:56:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:56:44,365 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:44,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:44,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:44,365 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:44,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:44,366 INFO L82 PathProgramCache]: Analyzing trace with hash -73313497, now seen corresponding path program 1 times [2021-02-19 16:56:44,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:44,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23230514] [2021-02-19 16:56:44,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:44,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:44,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,857 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:44,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:44,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,927 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-19 16:56:44,928 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-19 16:56:44,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:44,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23230514] [2021-02-19 16:56:44,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:44,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:44,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143712162] [2021-02-19 16:56:44,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:44,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:44,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:44,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:44,968 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 8 states. [2021-02-19 16:56:45,501 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:45,945 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,319 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:46,682 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,582 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:48,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:48,727 INFO L93 Difference]: Finished difference Result 287 states and 356 transitions. [2021-02-19 16:56:48,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:48,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:56:48,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:48,731 INFO L225 Difference]: With dead ends: 287 [2021-02-19 16:56:48,731 INFO L226 Difference]: Without dead ends: 230 [2021-02-19 16:56:48,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:48,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2021-02-19 16:56:48,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 168. [2021-02-19 16:56:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2021-02-19 16:56:48,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 200 transitions. [2021-02-19 16:56:48,800 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 200 transitions. Word has length 51 [2021-02-19 16:56:48,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:48,801 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 200 transitions. [2021-02-19 16:56:48,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:48,801 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2021-02-19 16:56:48,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-02-19 16:56:48,803 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:48,803 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] [2021-02-19 16:56:48,804 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:48,804 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:48,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:48,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1964930013, now seen corresponding path program 1 times [2021-02-19 16:56:48,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:48,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919494539] [2021-02-19 16:56:48,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,212 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:49,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-19 16:56:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-02-19 16:56:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-02-19 16:56:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:49,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919494539] [2021-02-19 16:56:49,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 16:56:49,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011580741] [2021-02-19 16:56:49,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 16:56:49,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 16:56:49,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-19 16:56:49,325 INFO L87 Difference]: Start difference. First operand 168 states and 200 transitions. Second operand 7 states. [2021-02-19 16:56:49,812 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:50,937 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,352 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,711 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,068 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:52,511 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:52,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:52,922 INFO L93 Difference]: Finished difference Result 508 states and 647 transitions. [2021-02-19 16:56:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:52,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2021-02-19 16:56:52,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:52,936 INFO L225 Difference]: With dead ends: 508 [2021-02-19 16:56:52,936 INFO L226 Difference]: Without dead ends: 364 [2021-02-19 16:56:52,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:52,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-02-19 16:56:53,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 291. [2021-02-19 16:56:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2021-02-19 16:56:53,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 350 transitions. [2021-02-19 16:56:53,037 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 350 transitions. Word has length 54 [2021-02-19 16:56:53,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:53,038 INFO L480 AbstractCegarLoop]: Abstraction has 291 states and 350 transitions. [2021-02-19 16:56:53,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 16:56:53,038 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 350 transitions. [2021-02-19 16:56:53,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-19 16:56:53,040 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:53,040 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] [2021-02-19 16:56:53,041 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:53,041 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:53,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:53,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1997341799, now seen corresponding path program 1 times [2021-02-19 16:56:53,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:53,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821575448] [2021-02-19 16:56:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,499 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:53,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:53,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 16:56:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-02-19 16:56:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:53,593 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821575448] [2021-02-19 16:56:53,594 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:53,594 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:53,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758792912] [2021-02-19 16:56:53,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:53,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:53,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:53,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:53,595 INFO L87 Difference]: Start difference. First operand 291 states and 350 transitions. Second operand 8 states. [2021-02-19 16:56:54,078 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:55,057 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,459 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,870 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:56,087 INFO L93 Difference]: Finished difference Result 591 states and 756 transitions. [2021-02-19 16:56:56,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-19 16:56:56,088 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2021-02-19 16:56:56,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:56,088 INFO L225 Difference]: With dead ends: 591 [2021-02-19 16:56:56,088 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:56,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-19 16:56:56,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:56,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 58 [2021-02-19 16:56:56,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:56,092 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:56,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:56,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:56,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:56,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:59,376 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-19 16:56:59,621 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:00,136 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:00,404 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:00,680 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:00,959 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,231 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:01,582 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:01,843 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:02,127 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:02,634 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:02,901 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-19 16:57:03,163 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-19 16:57:03,660 WARN L202 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-19 16:57:03,927 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-19 16:57:04,229 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-19 16:57:04,736 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-19 16:57:05,514 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 12 [2021-02-19 16:57:05,801 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:06,327 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 11 [2021-02-19 16:57:06,629 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point L577(lines 577 581) no Hoare annotation was computed. [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point L577-1(lines 577 581) no Hoare annotation was computed. [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point L572(line 572) no Hoare annotation was computed. [2021-02-19 16:57:06,641 INFO L189 CegarLoopUtils]: For program point L571-2(lines 571 592) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 546 601) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point L593(lines 570 594) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 546 601) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 546 601) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point L634(lines 634 638) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point L634-1(lines 634 638) no Hoare annotation was computed. [2021-02-19 16:57:06,642 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 602 661) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point L629(line 629) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point L628-2(lines 628 653) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 602 661) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point L654(lines 627 655) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 602 661) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point L647(line 647) no Hoare annotation was computed. [2021-02-19 16:57:06,643 INFO L189 CegarLoopUtils]: For program point L647-1(line 647) no Hoare annotation was computed. [2021-02-19 16:57:06,644 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 135 141) the Hoare annotation is: true [2021-02-19 16:57:06,644 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 135 141) no Hoare annotation was computed. [2021-02-19 16:57:06,644 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 142 150) no Hoare annotation was computed. [2021-02-19 16:57:06,644 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 142 150) the Hoare annotation is: true [2021-02-19 16:57:06,644 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 142 150) no Hoare annotation was computed. [2021-02-19 16:57:06,644 INFO L185 CegarLoopUtils]: At program point L447(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0))) [2021-02-19 16:57:06,645 INFO L185 CegarLoopUtils]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0))) [2021-02-19 16:57:06,645 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,645 INFO L189 CegarLoopUtils]: For program point L445(lines 445 452) no Hoare annotation was computed. [2021-02-19 16:57:06,645 INFO L189 CegarLoopUtils]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2021-02-19 16:57:06,645 INFO L189 CegarLoopUtils]: For program point L443(line 443) no Hoare annotation was computed. [2021-02-19 16:57:06,645 INFO L185 CegarLoopUtils]: At program point L442(line 442) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,646 INFO L185 CegarLoopUtils]: At program point L441(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2021-02-19 16:57:06,646 INFO L185 CegarLoopUtils]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 394 417) no Hoare annotation was computed. [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 394 417) no Hoare annotation was computed. [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point L412(line 412) no Hoare annotation was computed. [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 394 417) no Hoare annotation was computed. [2021-02-19 16:57:06,646 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L410(line 410) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L409(line 409) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L407(line 407) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L406(line 406) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L404(line 404) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L403(line 403) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L402(line 402) no Hoare annotation was computed. [2021-02-19 16:57:06,647 INFO L189 CegarLoopUtils]: For program point L401(line 401) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L189 CegarLoopUtils]: For program point L400(line 400) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L189 CegarLoopUtils]: For program point L399(line 399) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 266 280) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L185 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-19 16:57:06,648 INFO L189 CegarLoopUtils]: For program point L270(lines 270 276) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 266 280) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:06,648 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 266 280) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 221 229) no Hoare annotation was computed. [2021-02-19 16:57:06,648 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 221 229) the Hoare annotation is: true [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 221 229) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point L249(lines 249 257) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point L249-2(lines 249 257) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 230 265) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point L237(lines 237 245) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point L237-2(lines 237 245) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 230 265) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point L260(line 260) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point L260-1(line 260) no Hoare annotation was computed. [2021-02-19 16:57:06,649 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 230 265) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 128 134) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 128 134) the Hoare annotation is: true [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 500 545) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 500 545) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 500 545) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point L833(lines 833 840) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point L827(lines 827 847) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2021-02-19 16:57:06,650 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 813 858) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 813 858) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 813 858) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 425 434) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 425 434) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 425 434) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmENTRY(lines 210 220) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 210 220) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point L215(line 215) no Hoare annotation was computed. [2021-02-19 16:57:06,651 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 210 220) no Hoare annotation was computed. [2021-02-19 16:57:06,652 INFO L189 CegarLoopUtils]: For program point L215-1(line 215) no Hoare annotation was computed. [2021-02-19 16:57:06,652 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 202 209) the Hoare annotation is: true [2021-02-19 16:57:06,652 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 202 209) no Hoare annotation was computed. [2021-02-19 16:57:06,652 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 202 209) no Hoare annotation was computed. [2021-02-19 16:57:06,652 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 187 193) no Hoare annotation was computed. [2021-02-19 16:57:06,652 INFO L192 CegarLoopUtils]: At program point processEnvironmentFINAL(lines 187 193) the Hoare annotation is: true [2021-02-19 16:57:06,652 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 47 112) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,652 INFO L185 CegarLoopUtils]: At program point L95(line 95) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,653 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-02-19 16:57:06,653 INFO L185 CegarLoopUtils]: At program point L93-1(lines 87 100) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,653 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2021-02-19 16:57:06,653 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2021-02-19 16:57:06,653 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 47 112) no Hoare annotation was computed. [2021-02-19 16:57:06,653 INFO L185 CegarLoopUtils]: At program point L79(line 79) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,653 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2021-02-19 16:57:06,653 INFO L189 CegarLoopUtils]: For program point L77-1(lines 77 83) no Hoare annotation was computed. [2021-02-19 16:57:06,654 INFO L185 CegarLoopUtils]: At program point L102(lines 57 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,654 INFO L185 CegarLoopUtils]: At program point L69(line 69) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:06,654 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-02-19 16:57:06,654 INFO L189 CegarLoopUtils]: For program point L67-1(lines 67 73) no Hoare annotation was computed. [2021-02-19 16:57:06,654 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2021-02-19 16:57:06,654 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:06,654 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 47 112) no Hoare annotation was computed. [2021-02-19 16:57:06,654 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 767 812) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 767 812) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point L787(lines 787 794) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 767 812) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point L781(lines 781 801) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point L781-1(lines 781 801) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point L338-2(lines 338 346) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 330 352) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 330 352) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 330 352) no Hoare annotation was computed. [2021-02-19 16:57:06,655 INFO L189 CegarLoopUtils]: For program point L338(lines 338 346) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 118 127) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 118 127) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 118 127) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 664 766) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point L729(line 729) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point L729-1(line 729) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point L688(lines 688 692) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point L752(lines 752 763) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point L715(lines 715 719) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point L713-2(lines 713 733) no Hoare annotation was computed. [2021-02-19 16:57:06,656 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 664 766) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L734(lines 712 735) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L693(lines 693 709) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 664 766) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L753(lines 753 760) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L714(lines 713 733) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L745(line 745) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L745-1(line 745) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point L710(lines 710 751) no Hoare annotation was computed. [2021-02-19 16:57:06,657 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,658 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~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)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:06,658 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,658 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 194 201) no Hoare annotation was computed. [2021-02-19 16:57:06,658 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2021-02-19 16:57:06,658 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2021-02-19 16:57:06,658 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 353 361) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 353 361) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 353 361) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 309 320) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point L313-1(lines 309 320) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 309 320) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,659 INFO L185 CegarLoopUtils]: At program point L176(line 176) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)))) [2021-02-19 16:57:06,659 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 163 186) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:06,660 INFO L185 CegarLoopUtils]: At program point L174(lines 174 180) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:06,660 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 163 186) no Hoare annotation was computed. [2021-02-19 16:57:06,660 INFO L185 CegarLoopUtils]: At program point L169(line 169) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:06,660 INFO L189 CegarLoopUtils]: For program point L167(lines 166 185) no Hoare annotation was computed. [2021-02-19 16:57:06,660 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 163 186) no Hoare annotation was computed. [2021-02-19 16:57:06,660 INFO L189 CegarLoopUtils]: For program point L385(line 385) no Hoare annotation was computed. [2021-02-19 16:57:06,660 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 364 393) no Hoare annotation was computed. [2021-02-19 16:57:06,660 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 364 393) the Hoare annotation is: true [2021-02-19 16:57:06,660 INFO L189 CegarLoopUtils]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-02-19 16:57:06,661 INFO L192 CegarLoopUtils]: At program point L378-1(lines 378 382) the Hoare annotation is: true [2021-02-19 16:57:06,661 INFO L189 CegarLoopUtils]: For program point L375(line 375) no Hoare annotation was computed. [2021-02-19 16:57:06,661 INFO L192 CegarLoopUtils]: At program point L374-2(lines 374 388) the Hoare annotation is: true [2021-02-19 16:57:06,661 INFO L192 CegarLoopUtils]: At program point L370(line 370) the Hoare annotation is: true [2021-02-19 16:57:06,661 INFO L189 CegarLoopUtils]: For program point L370-1(line 370) no Hoare annotation was computed. [2021-02-19 16:57:06,661 INFO L192 CegarLoopUtils]: At program point L389(lines 364 393) the Hoare annotation is: true [2021-02-19 16:57:06,661 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 321 329) the Hoare annotation is: true [2021-02-19 16:57:06,661 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 321 329) no Hoare annotation was computed. [2021-02-19 16:57:06,662 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 321 329) no Hoare annotation was computed. [2021-02-19 16:57:06,662 INFO L189 CegarLoopUtils]: For program point L289-1(lines 285 296) no Hoare annotation was computed. [2021-02-19 16:57:06,662 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 285 296) the Hoare annotation is: true [2021-02-19 16:57:06,662 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 285 296) no Hoare annotation was computed. [2021-02-19 16:57:06,662 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 418 424) no Hoare annotation was computed. [2021-02-19 16:57:06,662 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 418 424) the Hoare annotation is: true [2021-02-19 16:57:06,662 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,662 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-19 16:57:06,662 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 297 308) no Hoare annotation was computed. [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point L301-1(lines 297 308) no Hoare annotation was computed. [2021-02-19 16:57:06,663 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 297 308) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 459 466) no Hoare annotation was computed. [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-02-19 16:57:06,663 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 459 466) the Hoare annotation is: true [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 459 466) no Hoare annotation was computed. [2021-02-19 16:57:06,663 INFO L189 CegarLoopUtils]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-02-19 16:57:06,664 INFO L185 CegarLoopUtils]: At program point L478(line 478) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-19 16:57:06,664 INFO L189 CegarLoopUtils]: For program point L478-1(line 478) no Hoare annotation was computed. [2021-02-19 16:57:06,664 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 468 492) the Hoare annotation is: true [2021-02-19 16:57:06,664 INFO L189 CegarLoopUtils]: For program point L476(lines 476 489) no Hoare annotation was computed. [2021-02-19 16:57:06,664 INFO L189 CegarLoopUtils]: For program point L476-1(lines 468 492) no Hoare annotation was computed. [2021-02-19 16:57:06,664 INFO L192 CegarLoopUtils]: At program point L474(line 474) the Hoare annotation is: true [2021-02-19 16:57:06,664 INFO L189 CegarLoopUtils]: For program point L474-1(line 474) no Hoare annotation was computed. [2021-02-19 16:57:06,664 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 468 492) no Hoare annotation was computed. [2021-02-19 16:57:06,664 INFO L185 CegarLoopUtils]: At program point L482(line 482) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-19 16:57:06,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:06 BoogieIcfgContainer [2021-02-19 16:57:06,682 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:06,684 INFO L168 Benchmark]: Toolchain (without parser) took 28511.54 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 124.7 MB in the beginning and 182.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 221.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,686 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 220.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:06,687 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.61 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 104.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,688 INFO L168 Benchmark]: Boogie Preprocessor took 119.77 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,691 INFO L168 Benchmark]: RCFGBuilder took 1300.32 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 52.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 47.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,691 INFO L168 Benchmark]: TraceAbstraction took 26361.31 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 51.6 MB in the beginning and 182.5 MB in the end (delta: -130.9 MB). Peak memory consumption was 148.8 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:06,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 220.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 710.61 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 104.2 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 119.77 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1300.32 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 52.1 MB in the end (delta: 48.2 MB). Peak memory consumption was 47.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26361.31 ms. Allocated memory was 151.0 MB in the beginning and 377.5 MB in the end (delta: 226.5 MB). Free memory was 51.6 MB in the beginning and 182.5 MB in the end (delta: -130.9 MB). Peak memory consumption was 148.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 463]: 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: 57]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 203 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 380 SDtfs, 584 SDslu, 338 SDs, 0 SdLazy, 1411 SolverSat, 355 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 188 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 328 PreInvPairs, 397 NumberOfFragments, 635 HoareAnnotationTreeSize, 328 FomulaSimplifications, 50336 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 44 FomulaSimplificationsInter, 15642 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 251 ConstructedInterpolants, 0 QuantifiedInterpolants, 74294 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...