/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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-19 16:56:36,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 16:56:36,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 16:56:36,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 16:56:36,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 16:56:36,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 16:56:36,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 16:56:36,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 16:56:36,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 16:56:36,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 16:56:36,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 16:56:36,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 16:56:36,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 16:56:36,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 16:56:36,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 16:56:36,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 16:56:36,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 16:56:36,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 16:56:36,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 16:56:36,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 16:56:36,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 16:56:36,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 16:56:36,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 16:56:36,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 16:56:36,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-19 16:56:36,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-19 16:56:36,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-19 16:56:36,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-19 16:56:36,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-19 16:56:36,699 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-19 16:56:36,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 16:56:36,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 16:56:36,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 16:56:36,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 16:56:36,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 16:56:36,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 16:56:36,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 16:56:36,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 16:56:36,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 16:56:36,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 16:56:36,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 16:56:36,709 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 16:56:36,735 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 16:56:36,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 16:56:36,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 16:56:36,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 16:56:36,738 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 16:56:36,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 16:56:36,738 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 16:56:36,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 16:56:36,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 16:56:36,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 16:56:36,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 16:56:36,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 16:56:36,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 16:56:36,740 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 16:56:36,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 16:56:36,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 16:56:36,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 16:56:36,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 16:56:36,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 16:56:36,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 16:56:36,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 16:56:36,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 16:56:36,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 16:56:36,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 16:56:36,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 16:56:36,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 16:56:36,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 16:56:36,743 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 16:56:36,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 16:56:37,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 16:56:37,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 16:56:37,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 16:56:37,169 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 16:56:37,170 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 16:56:37,171 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2021-02-19 16:56:37,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2314ca1/eadd23c587c94f538d37cb1eaa43851c/FLAG954b5f69d [2021-02-19 16:56:38,123 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 16:56:38,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product05.cil.c [2021-02-19 16:56:38,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2314ca1/eadd23c587c94f538d37cb1eaa43851c/FLAG954b5f69d [2021-02-19 16:56:38,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af2314ca1/eadd23c587c94f538d37cb1eaa43851c [2021-02-19 16:56:38,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 16:56:38,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 16:56:38,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 16:56:38,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 16:56:38,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3defbbb6 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 16:56:38,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 04:56:38" (1/1) ... [2021-02-19 16:56:38,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 16:56:38,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 16:56:38,686 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_product05.cil.c[4222,4235] [2021-02-19 16:56:38,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,846 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 16:56:38,894 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_product05.cil.c[4222,4235] [2021-02-19 16:56:38,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 16:56:38,977 INFO L208 MainTranslator]: Completed translation [2021-02-19 16:56:38,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 04:56:38 WrapperNode [2021-02-19 16:56:38,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 16:56:38,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 16:56:38,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 16:56:38,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 16:56:38,996 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 16:56:38,997 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 16:56:39,023 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 16:56:39,023 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 16:56:39,060 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 16:56:39,071 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 16:56:39,077 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 16:56:39,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 16:56:39,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 16:56:39,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 16:56:39,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 16:56:39,087 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 16:56:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 16:56:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 16:56:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 16:56:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-19 16:56:39,214 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-19 16:56:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-19 16:56:39,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-19 16:56:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-19 16:56:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-19 16:56:39,216 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-19 16:56:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-19 16:56:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-19 16:56:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-19 16:56:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-19 16:56:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-19 16:56:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-19 16:56:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-19 16:56:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-19 16:56:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-19 16:56:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-19 16:56:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-19 16:56:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-19 16:56:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-19 16:56:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-19 16:56:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-19 16:56:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 16:56:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-19 16:56:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-19 16:56:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-19 16:56:39,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-19 16:56:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 16:56:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 16:56:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 16:56:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 16:56:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 16:56:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-19 16:56:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-19 16:56:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-19 16:56:39,227 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-19 16:56:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-19 16:56:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-19 16:56:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-19 16:56:39,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-19 16:56:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-19 16:56:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-19 16:56:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-19 16:56:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-19 16:56:39,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-19 16:56:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-19 16:56:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-19 16:56:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-19 16:56:39,230 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-19 16:56:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-19 16:56:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-19 16:56:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-19 16:56:39,231 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-19 16:56:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-19 16:56:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 16:56:39,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 16:56:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 16:56:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 16:56:39,233 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-19 16:56:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 16:56:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-19 16:56:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-19 16:56:39,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 16:56:39,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-19 16:56:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-19 16:56:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-19 16:56:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-19 16:56:39,236 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-19 16:56:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-19 16:56:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-19 16:56:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-19 16:56:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-19 16:56:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 16:56:39,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-19 16:56:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 16:56:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 16:56:39,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 16:56:40,751 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 16:56:40,752 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-19 16:56:40,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 04:56:40 BoogieIcfgContainer [2021-02-19 16:56:40,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 16:56:40,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 16:56:40,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 16:56:40,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 16:56:40,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 04:56:38" (1/3) ... [2021-02-19 16:56:40,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641a06db 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 16:56:40,763 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 16:56:40,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@641a06db 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 16:56:40,764 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 16:56:40,765 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product05.cil.c [2021-02-19 16:56:40,774 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 16:56:40,780 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 16:56:40,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 16:56:40,834 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 16:56:40,834 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 16:56:40,835 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 16:56:40,835 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 16:56:40,835 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 16:56:40,835 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 16:56:40,835 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 16:56:40,836 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 16:56:40,859 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2021-02-19 16:56:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-19 16:56:40,869 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:40,870 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 16:56:40,870 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:40,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:40,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1409284013, now seen corresponding path program 1 times [2021-02-19 16:56:40,888 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:40,889 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076399423] [2021-02-19 16:56:40,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,793 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:41,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-19 16:56:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 16:56:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:41,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:41,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:41,903 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 16:56:41,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076399423] [2021-02-19 16:56:41,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:41,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-19 16:56:41,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333691226] [2021-02-19 16:56:41,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-19 16:56:41,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:41,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-19 16:56:41,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:41,929 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 3 states. [2021-02-19 16:56:43,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:43,260 INFO L93 Difference]: Finished difference Result 237 states and 317 transitions. [2021-02-19 16:56:43,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-19 16:56:43,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-19 16:56:43,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:43,277 INFO L225 Difference]: With dead ends: 237 [2021-02-19 16:56:43,278 INFO L226 Difference]: Without dead ends: 129 [2021-02-19 16:56:43,283 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-19 16:56:43,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2021-02-19 16:56:43,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 99. [2021-02-19 16:56:43,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2021-02-19 16:56:43,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 116 transitions. [2021-02-19 16:56:43,387 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 116 transitions. Word has length 46 [2021-02-19 16:56:43,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:43,387 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 116 transitions. [2021-02-19 16:56:43,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-19 16:56:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-02-19 16:56:43,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-19 16:56:43,391 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:43,391 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 16:56:43,391 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 16:56:43,392 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:43,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:43,393 INFO L82 PathProgramCache]: Analyzing trace with hash 143577671, now seen corresponding path program 1 times [2021-02-19 16:56:43,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:43,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509528053] [2021-02-19 16:56:43,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:43,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:43,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:43,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:43,993 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-19 16:56:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:44,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:44,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:44,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:44,075 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 16:56:44,076 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509528053] [2021-02-19 16:56:44,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:44,077 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-19 16:56:44,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333770538] [2021-02-19 16:56:44,078 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-19 16:56:44,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:44,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-19 16:56:44,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-19 16:56:44,080 INFO L87 Difference]: Start difference. First operand 99 states and 116 transitions. Second operand 4 states. [2021-02-19 16:56:44,669 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:45,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:45,386 INFO L93 Difference]: Finished difference Result 170 states and 208 transitions. [2021-02-19 16:56:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-19 16:56:45,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-19 16:56:45,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:45,391 INFO L225 Difference]: With dead ends: 170 [2021-02-19 16:56:45,391 INFO L226 Difference]: Without dead ends: 113 [2021-02-19 16:56:45,392 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-19 16:56:45,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-19 16:56:45,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2021-02-19 16:56:45,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:56:45,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2021-02-19 16:56:45,438 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 47 [2021-02-19 16:56:45,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:45,439 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2021-02-19 16:56:45,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-19 16:56:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2021-02-19 16:56:45,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-19 16:56:45,441 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:45,441 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 16:56:45,442 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 16:56:45,442 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:45,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:45,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1817667146, now seen corresponding path program 1 times [2021-02-19 16:56:45,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:45,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033842801] [2021-02-19 16:56:45,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 16:56:45,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,899 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:45,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,939 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 16:56:45,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-19 16:56:45,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:45,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:45,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-19 16:56:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:46,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:46,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:46,015 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 16:56:46,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033842801] [2021-02-19 16:56:46,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:46,016 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:46,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733363352] [2021-02-19 16:56:46,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:46,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:46,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:46,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:46,018 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand 8 states. [2021-02-19 16:56:46,548 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:46,933 WARN L202 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,323 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:47,706 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:48,674 INFO L93 Difference]: Finished difference Result 179 states and 222 transitions. [2021-02-19 16:56:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 16:56:48,675 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-19 16:56:48,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:48,677 INFO L225 Difference]: With dead ends: 179 [2021-02-19 16:56:48,678 INFO L226 Difference]: Without dead ends: 113 [2021-02-19 16:56:48,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-19 16:56:48,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-02-19 16:56:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 90. [2021-02-19 16:56:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2021-02-19 16:56:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2021-02-19 16:56:48,716 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 51 [2021-02-19 16:56:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:48,716 INFO L480 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2021-02-19 16:56:48,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2021-02-19 16:56:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 16:56:48,719 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:48,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:48,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 16:56:48,719 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:48,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:48,720 INFO L82 PathProgramCache]: Analyzing trace with hash 1938461341, now seen corresponding path program 1 times [2021-02-19 16:56:48,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:48,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458591933] [2021-02-19 16:56:48,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:48,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,818 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:48,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:48,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,157 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:49,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,203 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-02-19 16:56:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:56:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-02-19 16:56:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:49,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-19 16:56:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:49,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:49,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:49,253 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 16:56:49,254 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458591933] [2021-02-19 16:56:49,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:49,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-19 16:56:49,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62601373] [2021-02-19 16:56:49,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-19 16:56:49,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:49,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-19 16:56:49,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-19 16:56:49,256 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand 8 states. [2021-02-19 16:56:49,784 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:50,772 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:51,214 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:51,955 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,337 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:52,877 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-19 16:56:53,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:53,326 INFO L93 Difference]: Finished difference Result 279 states and 369 transitions. [2021-02-19 16:56:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-19 16:56:53,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2021-02-19 16:56:53,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:53,344 INFO L225 Difference]: With dead ends: 279 [2021-02-19 16:56:53,344 INFO L226 Difference]: Without dead ends: 213 [2021-02-19 16:56:53,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:56:53,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2021-02-19 16:56:53,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 147. [2021-02-19 16:56:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2021-02-19 16:56:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2021-02-19 16:56:53,398 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 59 [2021-02-19 16:56:53,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:53,399 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2021-02-19 16:56:53,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-19 16:56:53,399 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2021-02-19 16:56:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-19 16:56:53,402 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 16:56:53,402 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-19 16:56:53,402 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 16:56:53,403 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 16:56:53,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 16:56:53,403 INFO L82 PathProgramCache]: Analyzing trace with hash -2081018655, now seen corresponding path program 1 times [2021-02-19 16:56:53,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 16:56:53,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182886668] [2021-02-19 16:56:53,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 16:56:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,828 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:56:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 16:56:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-19 16:56:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-19 16:56:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 16:56:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-19 16:56:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-19 16:56:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 16:56:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-19 16:56:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-19 16:56:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 16:56:53,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-19 16:56:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 16:56:53,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 16:56:53,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 16:56:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 16:56:54,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182886668] [2021-02-19 16:56:54,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 16:56:54,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-19 16:56:54,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56655990] [2021-02-19 16:56:54,010 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-19 16:56:54,010 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 16:56:54,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-19 16:56:54,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-19 16:56:54,012 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 9 states. [2021-02-19 16:56:54,570 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-19 16:56:55,570 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:55,993 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,399 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-19 16:56:56,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 16:56:56,605 INFO L93 Difference]: Finished difference Result 263 states and 328 transitions. [2021-02-19 16:56:56,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-19 16:56:56,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-19 16:56:56,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 16:56:56,607 INFO L225 Difference]: With dead ends: 263 [2021-02-19 16:56:56,607 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 16:56:56,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-19 16:56:56,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 16:56:56,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 16:56:56,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 16:56:56,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 16:56:56,612 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-19 16:56:56,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 16:56:56,612 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 16:56:56,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-19 16:56:56,612 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 16:56:56,612 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 16:56:56,613 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-19 16:56:56,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 16:56:57,186 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 12 [2021-02-19 16:56:57,964 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 12 [2021-02-19 16:56:58,130 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 12 [2021-02-19 16:56:58,253 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 12 [2021-02-19 16:56:58,884 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:56:59,122 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:56:59,357 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:56:59,790 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:00,066 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:00,317 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:00,816 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:01,115 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:01,351 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:01,865 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2021-02-19 16:57:02,144 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-02-19 16:57:02,477 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-19 16:57:02,754 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2021-02-19 16:57:03,019 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:03,574 WARN L202 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 15 [2021-02-19 16:57:04,133 WARN L202 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 12 [2021-02-19 16:57:04,492 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:04,841 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 20 [2021-02-19 16:57:05,135 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2021-02-19 16:57:05,694 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 12 [2021-02-19 16:57:05,714 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point L419-2(lines 419 440) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point L441(lines 418 442) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 394 449) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point L425(lines 425 429) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point L425-1(lines 425 429) no Hoare annotation was computed. [2021-02-19 16:57:05,715 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 394 449) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point L420(line 420) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 394 449) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point L482-1(lines 482 486) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point L477(line 477) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point L476-2(lines 476 501) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point L502(lines 475 503) no Hoare annotation was computed. [2021-02-19 16:57:05,716 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 450 509) no Hoare annotation was computed. [2021-02-19 16:57:05,717 INFO L189 CegarLoopUtils]: For program point L495(line 495) no Hoare annotation was computed. [2021-02-19 16:57:05,717 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 450 509) no Hoare annotation was computed. [2021-02-19 16:57:05,717 INFO L189 CegarLoopUtils]: For program point L495-1(line 495) no Hoare annotation was computed. [2021-02-19 16:57:05,717 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 450 509) no Hoare annotation was computed. [2021-02-19 16:57:05,717 INFO L189 CegarLoopUtils]: For program point L482(lines 482 486) no Hoare annotation was computed. [2021-02-19 16:57:05,718 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2021-02-19 16:57:05,718 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2021-02-19 16:57:05,718 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2021-02-19 16:57:05,718 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2021-02-19 16:57:05,718 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2021-02-19 16:57:05,718 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 809 831) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,718 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 809 831) no Hoare annotation was computed. [2021-02-19 16:57:05,719 INFO L185 CegarLoopUtils]: At program point L821(line 821) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,719 INFO L185 CegarLoopUtils]: At program point L821-1(line 821) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,719 INFO L189 CegarLoopUtils]: For program point L819(lines 819 826) no Hoare annotation was computed. [2021-02-19 16:57:05,719 INFO L189 CegarLoopUtils]: For program point L819-1(lines 819 826) no Hoare annotation was computed. [2021-02-19 16:57:05,719 INFO L189 CegarLoopUtils]: For program point L817(line 817) no Hoare annotation was computed. [2021-02-19 16:57:05,719 INFO L185 CegarLoopUtils]: At program point L816(line 816) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,719 INFO L185 CegarLoopUtils]: At program point L815(line 815) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,719 INFO L185 CegarLoopUtils]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 809 831) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 765 788) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 765 788) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 765 788) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point L783(line 783) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point L782(line 782) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point L781(line 781) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point L780(line 780) no Hoare annotation was computed. [2021-02-19 16:57:05,720 INFO L189 CegarLoopUtils]: For program point L779(line 779) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L778(line 778) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L777(line 777) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L776(line 776) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L775(line 775) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L774(line 774) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L773(line 773) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L772(line 772) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L771(line 771) no Hoare annotation was computed. [2021-02-19 16:57:05,721 INFO L189 CegarLoopUtils]: For program point L770(line 770) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 221 229) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 221 229) the Hoare annotation is: true [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 221 229) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point L249(lines 249 257) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point L249-2(lines 249 257) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 230 265) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point L237(lines 237 245) no Hoare annotation was computed. [2021-02-19 16:57:05,722 INFO L189 CegarLoopUtils]: For program point L237-2(lines 237 245) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 230 265) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point L260(line 260) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point L260-1(line 260) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 230 265) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 348 393) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 348 393) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 348 393) no Hoare annotation was computed. [2021-02-19 16:57:05,723 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 661 706) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 661 706) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point L681(lines 681 688) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 661 706) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point L675(lines 675 695) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point L675-1(lines 675 695) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 796 805) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 796 805) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 796 805) no Hoare annotation was computed. [2021-02-19 16:57:05,724 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 210 220) the Hoare annotation is: true [2021-02-19 16:57:05,724 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 210 220) no Hoare annotation was computed. [2021-02-19 16:57:05,725 INFO L192 CegarLoopUtils]: At program point L215(line 215) the Hoare annotation is: true [2021-02-19 16:57:05,725 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 210 220) no Hoare annotation was computed. [2021-02-19 16:57:05,725 INFO L189 CegarLoopUtils]: For program point L215-1(line 215) no Hoare annotation was computed. [2021-02-19 16:57:05,725 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 202 209) the Hoare annotation is: true [2021-02-19 16:57:05,725 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 202 209) no Hoare annotation was computed. [2021-02-19 16:57:05,725 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 202 209) no Hoare annotation was computed. [2021-02-19 16:57:05,725 INFO L185 CegarLoopUtils]: At program point L188(line 188) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,725 INFO L189 CegarLoopUtils]: For program point L188-1(lines 169 193) no Hoare annotation was computed. [2021-02-19 16:57:05,725 INFO L185 CegarLoopUtils]: At program point L183(line 183) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,725 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 169 193) no Hoare annotation was computed. [2021-02-19 16:57:05,726 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 169 193) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,726 INFO L185 CegarLoopUtils]: At program point L179(line 179) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,726 INFO L189 CegarLoopUtils]: For program point L177(lines 177 185) no Hoare annotation was computed. [2021-02-19 16:57:05,726 INFO L185 CegarLoopUtils]: At program point L175(line 175) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,726 INFO L189 CegarLoopUtils]: For program point L175-1(line 175) no Hoare annotation was computed. [2021-02-19 16:57:05,726 INFO L189 CegarLoopUtils]: For program point L173(lines 173 190) no Hoare annotation was computed. [2021-02-19 16:57:05,726 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 161 167) no Hoare annotation was computed. [2021-02-19 16:57:05,726 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 161 167) the Hoare annotation is: true [2021-02-19 16:57:05,727 INFO L189 CegarLoopUtils]: For program point L289(lines 289 293) no Hoare annotation was computed. [2021-02-19 16:57:05,727 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 277 340) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-19 16:57:05,727 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 277 340) no Hoare annotation was computed. [2021-02-19 16:57:05,727 INFO L185 CegarLoopUtils]: At program point L333(lines 286 334) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-19 16:57:05,727 INFO L189 CegarLoopUtils]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-02-19 16:57:05,727 INFO L185 CegarLoopUtils]: At program point L323-2(lines 317 328) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,727 INFO L189 CegarLoopUtils]: For program point L288(lines 287 332) no Hoare annotation was computed. [2021-02-19 16:57:05,728 INFO L189 CegarLoopUtils]: For program point L317(lines 317 328) no Hoare annotation was computed. [2021-02-19 16:57:05,728 INFO L185 CegarLoopUtils]: At program point L309(line 309) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,728 INFO L189 CegarLoopUtils]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-02-19 16:57:05,728 INFO L189 CegarLoopUtils]: For program point L307-1(lines 307 313) no Hoare annotation was computed. [2021-02-19 16:57:05,728 INFO L185 CegarLoopUtils]: At program point L299(line 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,728 INFO L185 CegarLoopUtils]: At program point L330(lines 287 332) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-19 16:57:05,728 INFO L189 CegarLoopUtils]: For program point L297(lines 297 303) no Hoare annotation was computed. [2021-02-19 16:57:05,728 INFO L189 CegarLoopUtils]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 277 340) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point L635(lines 635 642) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 615 660) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point L629(lines 629 649) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 615 660) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point L629-1(lines 629 649) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 615 660) no Hoare annotation was computed. [2021-02-19 16:57:05,729 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point L103(lines 103 111) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 512 614) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point L541(lines 541 557) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point L601(lines 601 608) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point L562(lines 561 581) no Hoare annotation was computed. [2021-02-19 16:57:05,730 INFO L189 CegarLoopUtils]: For program point L593(line 593) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L593-1(line 593) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L558(lines 558 599) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 512 614) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L577(line 577) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L577-1(line 577) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L536(lines 536 540) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L600(lines 600 611) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L563(lines 563 567) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 512 614) no Hoare annotation was computed. [2021-02-19 16:57:05,731 INFO L189 CegarLoopUtils]: For program point L561-2(lines 561 581) no Hoare annotation was computed. [2021-02-19 16:57:05,732 INFO L189 CegarLoopUtils]: For program point L582(lines 560 583) no Hoare annotation was computed. [2021-02-19 16:57:05,732 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2021-02-19 16:57:05,732 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 834 843) no Hoare annotation was computed. [2021-02-19 16:57:05,732 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2021-02-19 16:57:05,732 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string58.base| |old(#t~string58.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~string66.offset| |old(#t~string66.offset)|) (= |#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~string71.offset| |old(#t~string71.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#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~string66.base| |old(#t~string66.base)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point activatePumpFINAL(lines 194 201) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 194 201) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 194 201) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2021-02-19 16:57:05,733 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2021-02-19 16:57:05,734 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2021-02-19 16:57:05,735 INFO L185 CegarLoopUtils]: At program point L150(line 150) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,735 INFO L185 CegarLoopUtils]: At program point L148(lines 148 154) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,735 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 137 160) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,735 INFO L185 CegarLoopUtils]: At program point L143(line 143) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-19 16:57:05,735 INFO L189 CegarLoopUtils]: For program point L141(lines 140 159) no Hoare annotation was computed. [2021-02-19 16:57:05,735 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 137 160) no Hoare annotation was computed. [2021-02-19 16:57:05,735 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 137 160) no Hoare annotation was computed. [2021-02-19 16:57:05,736 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 735 764) no Hoare annotation was computed. [2021-02-19 16:57:05,736 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 735 764) the Hoare annotation is: true [2021-02-19 16:57:05,736 INFO L192 CegarLoopUtils]: At program point L760(lines 735 764) the Hoare annotation is: true [2021-02-19 16:57:05,736 INFO L189 CegarLoopUtils]: For program point L756(line 756) no Hoare annotation was computed. [2021-02-19 16:57:05,736 INFO L189 CegarLoopUtils]: For program point L749(lines 749 753) no Hoare annotation was computed. [2021-02-19 16:57:05,736 INFO L192 CegarLoopUtils]: At program point L749-1(lines 749 753) the Hoare annotation is: true [2021-02-19 16:57:05,736 INFO L189 CegarLoopUtils]: For program point L746(line 746) no Hoare annotation was computed. [2021-02-19 16:57:05,736 INFO L192 CegarLoopUtils]: At program point L745-2(lines 745 759) the Hoare annotation is: true [2021-02-19 16:57:05,736 INFO L192 CegarLoopUtils]: At program point L741(line 741) the Hoare annotation is: true [2021-02-19 16:57:05,737 INFO L189 CegarLoopUtils]: For program point L741-1(line 741) no Hoare annotation was computed. [2021-02-19 16:57:05,737 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: true [2021-02-19 16:57:05,737 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2021-02-19 16:57:05,737 INFO L189 CegarLoopUtils]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2021-02-19 16:57:05,737 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 789 795) no Hoare annotation was computed. [2021-02-19 16:57:05,737 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 789 795) the Hoare annotation is: true [2021-02-19 16:57:05,737 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,737 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 16:57:05,737 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 16:57:05,738 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 16:57:05,738 INFO L189 CegarLoopUtils]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2021-02-19 16:57:05,738 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2021-02-19 16:57:05,738 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:05,738 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 267 274) no Hoare annotation was computed. [2021-02-19 16:57:05,738 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 271) no Hoare annotation was computed. [2021-02-19 16:57:05,738 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 267 274) the Hoare annotation is: true [2021-02-19 16:57:05,738 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 267 274) no Hoare annotation was computed. [2021-02-19 16:57:05,739 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 708 732) the Hoare annotation is: true [2021-02-19 16:57:05,739 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 708 732) no Hoare annotation was computed. [2021-02-19 16:57:05,739 INFO L185 CegarLoopUtils]: At program point L722(line 722) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:05,739 INFO L189 CegarLoopUtils]: For program point L720(lines 720 726) no Hoare annotation was computed. [2021-02-19 16:57:05,739 INFO L185 CegarLoopUtils]: At program point L718(line 718) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2021-02-19 16:57:05,739 INFO L189 CegarLoopUtils]: For program point L718-1(line 718) no Hoare annotation was computed. [2021-02-19 16:57:05,739 INFO L189 CegarLoopUtils]: For program point L716(lines 716 729) no Hoare annotation was computed. [2021-02-19 16:57:05,739 INFO L189 CegarLoopUtils]: For program point L716-1(lines 708 732) no Hoare annotation was computed. [2021-02-19 16:57:05,740 INFO L192 CegarLoopUtils]: At program point L714(line 714) the Hoare annotation is: true [2021-02-19 16:57:05,740 INFO L189 CegarLoopUtils]: For program point L714-1(line 714) no Hoare annotation was computed. [2021-02-19 16:57:05,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 04:57:05 BoogieIcfgContainer [2021-02-19 16:57:05,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 16:57:05,761 INFO L168 Benchmark]: Toolchain (without parser) took 27373.69 ms. Allocated memory was 151.0 MB in the beginning and 420.5 MB in the end (delta: 269.5 MB). Free memory was 125.6 MB in the beginning and 153.0 MB in the end (delta: -27.4 MB). Peak memory consumption was 248.3 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,764 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 16:57:05,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 104.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,765 INFO L168 Benchmark]: Boogie Preprocessor took 105.62 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 100.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,768 INFO L168 Benchmark]: RCFGBuilder took 1669.22 ms. Allocated memory is still 151.0 MB. Free memory was 100.5 MB in the beginning and 61.9 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,771 INFO L168 Benchmark]: TraceAbstraction took 25002.41 ms. Allocated memory was 151.0 MB in the beginning and 420.5 MB in the end (delta: 269.5 MB). Free memory was 61.3 MB in the beginning and 153.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 183.7 MB. Max. memory is 8.0 GB. [2021-02-19 16:57:05,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 151.0 MB. Free memory is still 124.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 579.46 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 104.2 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.62 ms. Allocated memory is still 151.0 MB. Free memory was 104.2 MB in the beginning and 100.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1669.22 ms. Allocated memory is still 151.0 MB. Free memory was 100.5 MB in the beginning and 61.9 MB in the end (delta: 38.7 MB). Peak memory consumption was 38.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25002.41 ms. Allocated memory was 151.0 MB in the beginning and 420.5 MB in the end (delta: 269.5 MB). Free memory was 61.3 MB in the beginning and 153.0 MB in the end (delta: -91.7 MB). Peak memory consumption was 183.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 271]: 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: 287]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 286]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 390 SDtfs, 559 SDslu, 253 SDs, 0 SdLazy, 1427 SolverSat, 361 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 88 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 142 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 48 LocationsWithAnnotation, 235 PreInvPairs, 261 NumberOfFragments, 669 HoareAnnotationTreeSize, 235 FomulaSimplifications, 36961 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 48 FomulaSimplificationsInter, 7790 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 78756 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...