/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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-21 15:24:42,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 15:24:42,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 15:24:42,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 15:24:42,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 15:24:42,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 15:24:42,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 15:24:42,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 15:24:42,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 15:24:42,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 15:24:42,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 15:24:42,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 15:24:42,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 15:24:42,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 15:24:42,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 15:24:42,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 15:24:42,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 15:24:42,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 15:24:42,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 15:24:42,611 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 15:24:42,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 15:24:42,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 15:24:42,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 15:24:42,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 15:24:42,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 15:24:42,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 15:24:42,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 15:24:42,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 15:24:42,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 15:24:42,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2021-02-21 15:24:42,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 15:24:42,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 15:24:42,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 15:24:42,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 15:24:42,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 15:24:42,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 15:24:42,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 15:24:42,747 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 15:24:42,747 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 15:24:42,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 15:24:42,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 15:24:42,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 15:24:42,748 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 15:24:42,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 15:24:42,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 15:24:42,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 15:24:42,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 15:24:42,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 15:24:42,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 15:24:42,751 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 15:24:42,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 15:24:42,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 15:24:42,752 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 15:24:42,752 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 15:24:42,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:24:42,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 15:24:42,753 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 15:24:42,753 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 15:24:42,753 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 15:24:42,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 15:24:42,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 15:24:42,754 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 15:24:42,754 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 15:24:43,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 15:24:43,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 15:24:43,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 15:24:43,262 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 15:24:43,267 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 15:24:43,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2021-02-21 15:24:43,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202a0f538/44337fa3cbc742d3bbde9e970d3dd580/FLAG657db4354 [2021-02-21 15:24:44,048 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 15:24:44,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2021-02-21 15:24:44,082 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202a0f538/44337fa3cbc742d3bbde9e970d3dd580/FLAG657db4354 [2021-02-21 15:24:44,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202a0f538/44337fa3cbc742d3bbde9e970d3dd580 [2021-02-21 15:24:44,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 15:24:44,273 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 15:24:44,276 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 15:24:44,276 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 15:24:44,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 15:24:44,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:44,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c43289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44, skipping insertion in model container [2021-02-21 15:24:44,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:44,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 15:24:44,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 15:24:44,677 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_product31.cil.c[8287,8300] [2021-02-21 15:24:44,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:24:44,755 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 15:24:44,807 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_product31.cil.c[8287,8300] [2021-02-21 15:24:44,850 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 15:24:44,910 INFO L208 MainTranslator]: Completed translation [2021-02-21 15:24:44,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44 WrapperNode [2021-02-21 15:24:44,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 15:24:44,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 15:24:44,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 15:24:44,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 15:24:44,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:44,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:44,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:44,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:45,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:45,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:45,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... [2021-02-21 15:24:45,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 15:24:45,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 15:24:45,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 15:24:45,051 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 15:24:45,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 15:24:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 15:24:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 15:24:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-21 15:24:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-21 15:24:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-21 15:24:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-21 15:24:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-21 15:24:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-21 15:24:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-21 15:24:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-21 15:24:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-21 15:24:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-21 15:24:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-21 15:24:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-21 15:24:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2021-02-21 15:24:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-21 15:24:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-21 15:24:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-21 15:24:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-21 15:24:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-21 15:24:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-21 15:24:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-21 15:24:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-21 15:24:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-21 15:24:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-21 15:24:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-21 15:24:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-21 15:24:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-21 15:24:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-21 15:24:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-21 15:24:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-21 15:24:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-21 15:24:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-21 15:24:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-21 15:24:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-21 15:24:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 15:24:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-21 15:24:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-21 15:24:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-21 15:24:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-21 15:24:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-21 15:24:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-21 15:24:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-21 15:24:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-21 15:24:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2021-02-21 15:24:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-21 15:24:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-21 15:24:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-21 15:24:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-21 15:24:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-21 15:24:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-21 15:24:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-21 15:24:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-21 15:24:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 15:24:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-21 15:24:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-21 15:24:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-21 15:24:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 15:24:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 15:24:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 15:24:46,448 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 15:24:46,449 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 15:24:46,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:46 BoogieIcfgContainer [2021-02-21 15:24:46,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 15:24:46,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 15:24:46,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 15:24:46,462 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 15:24:46,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 03:24:44" (1/3) ... [2021-02-21 15:24:46,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434734a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:24:46, skipping insertion in model container [2021-02-21 15:24:46,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 03:24:44" (2/3) ... [2021-02-21 15:24:46,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434734a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 03:24:46, skipping insertion in model container [2021-02-21 15:24:46,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 03:24:46" (3/3) ... [2021-02-21 15:24:46,467 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2021-02-21 15:24:46,479 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 15:24:46,485 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 15:24:46,505 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 15:24:46,551 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 15:24:46,551 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 15:24:46,551 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 15:24:46,551 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 15:24:46,551 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 15:24:46,552 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 15:24:46,552 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 15:24:46,552 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 15:24:46,574 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2021-02-21 15:24:46,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-02-21 15:24:46,584 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:24:46,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:24:46,585 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:24:46,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:24:46,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1793139480, now seen corresponding path program 1 times [2021-02-21 15:24:46,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:24:46,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464712675] [2021-02-21 15:24:46,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:24:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,473 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:24:47,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:24:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:24:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:24:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:24:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:24:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-21 15:24:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-21 15:24:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:47,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:47,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:24:47,641 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464712675] [2021-02-21 15:24:47,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:24:47,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-21 15:24:47,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078058925] [2021-02-21 15:24:47,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-21 15:24:47,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:24:47,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-21 15:24:47,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-21 15:24:47,667 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states. [2021-02-21 15:24:49,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:24:49,029 INFO L93 Difference]: Finished difference Result 293 states and 389 transitions. [2021-02-21 15:24:49,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-21 15:24:49,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-02-21 15:24:49,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:24:49,045 INFO L225 Difference]: With dead ends: 293 [2021-02-21 15:24:49,045 INFO L226 Difference]: Without dead ends: 159 [2021-02-21 15:24:49,050 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 [2021-02-21 15:24:49,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2021-02-21 15:24:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 125. [2021-02-21 15:24:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2021-02-21 15:24:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2021-02-21 15:24:49,164 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2021-02-21 15:24:49,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:24:49,164 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2021-02-21 15:24:49,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-21 15:24:49,165 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2021-02-21 15:24:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-02-21 15:24:49,168 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:24:49,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-21 15:24:49,169 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 15:24:49,169 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:24:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:24:49,170 INFO L82 PathProgramCache]: Analyzing trace with hash 819273310, now seen corresponding path program 1 times [2021-02-21 15:24:49,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:24:49,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52959468] [2021-02-21 15:24:49,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:24:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:49,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,568 WARN L202 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:24:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:24:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:24:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:24:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:24:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:24:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 15:24:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-21 15:24:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:49,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:49,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:49,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:24:49,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52959468] [2021-02-21 15:24:49,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:24:49,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-21 15:24:49,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253032015] [2021-02-21 15:24:49,647 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-21 15:24:49,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:24:49,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-21 15:24:49,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-21 15:24:49,648 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 4 states. [2021-02-21 15:24:50,222 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:24:51,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:24:51,236 INFO L93 Difference]: Finished difference Result 220 states and 272 transitions. [2021-02-21 15:24:51,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 15:24:51,237 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2021-02-21 15:24:51,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:24:51,240 INFO L225 Difference]: With dead ends: 220 [2021-02-21 15:24:51,240 INFO L226 Difference]: Without dead ends: 143 [2021-02-21 15:24:51,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-21 15:24:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2021-02-21 15:24:51,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 116. [2021-02-21 15:24:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2021-02-21 15:24:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2021-02-21 15:24:51,290 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2021-02-21 15:24:51,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:24:51,290 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2021-02-21 15:24:51,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-21 15:24:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2021-02-21 15:24:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-21 15:24:51,293 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:24:51,293 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] [2021-02-21 15:24:51,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 15:24:51,293 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:24:51,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:24:51,294 INFO L82 PathProgramCache]: Analyzing trace with hash -376353470, now seen corresponding path program 1 times [2021-02-21 15:24:51,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:24:51,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850519302] [2021-02-21 15:24:51,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:24:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:51,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:51,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:51,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:51,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:24:51,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:24:51,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 15:24:51,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:51,714 WARN L202 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:24:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:24:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 15:24:51,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:24:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:51,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:24:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:51,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:24:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:51,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:24:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-21 15:24:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,792 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:51,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 15:24:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:51,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:51,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:24:51,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850519302] [2021-02-21 15:24:51,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:24:51,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 15:24:51,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075406884] [2021-02-21 15:24:51,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 15:24:51,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:24:51,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 15:24:51,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 15:24:51,832 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 8 states. [2021-02-21 15:24:52,332 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:24:52,795 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:24:53,183 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:24:53,557 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:24:54,467 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:24:56,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:24:56,443 INFO L93 Difference]: Finished difference Result 400 states and 503 transitions. [2021-02-21 15:24:56,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 15:24:56,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-21 15:24:56,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:24:56,449 INFO L225 Difference]: With dead ends: 400 [2021-02-21 15:24:56,449 INFO L226 Difference]: Without dead ends: 308 [2021-02-21 15:24:56,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-02-21 15:24:56,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-02-21 15:24:56,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 250. [2021-02-21 15:24:56,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2021-02-21 15:24:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2021-02-21 15:24:56,566 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 51 [2021-02-21 15:24:56,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:24:56,566 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2021-02-21 15:24:56,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 15:24:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2021-02-21 15:24:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-02-21 15:24:56,577 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:24:56,577 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] [2021-02-21 15:24:56,577 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 15:24:56,577 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:24:56,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:24:56,578 INFO L82 PathProgramCache]: Analyzing trace with hash 714315232, now seen corresponding path program 1 times [2021-02-21 15:24:56,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:24:56,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601444339] [2021-02-21 15:24:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:24:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:56,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:56,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:56,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:56,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:56,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:56,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:56,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:56,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,010 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:24:57,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:24:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:57,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:24:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:24:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:24:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:24:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-02-21 15:24:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-21 15:24:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:24:57,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-02-21 15:24:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:24:57,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:24:57,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:24:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:24:57,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601444339] [2021-02-21 15:24:57,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:24:57,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 15:24:57,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379826595] [2021-02-21 15:24:57,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 15:24:57,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:24:57,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 15:24:57,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-02-21 15:24:57,175 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand 8 states. [2021-02-21 15:24:57,700 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:24:58,834 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:24:59,358 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:24:59,829 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:25:00,315 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:25:00,993 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-21 15:25:02,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:25:02,145 INFO L93 Difference]: Finished difference Result 808 states and 1063 transitions. [2021-02-21 15:25:02,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 15:25:02,150 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2021-02-21 15:25:02,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:25:02,156 INFO L225 Difference]: With dead ends: 808 [2021-02-21 15:25:02,156 INFO L226 Difference]: Without dead ends: 582 [2021-02-21 15:25:02,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-02-21 15:25:02,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2021-02-21 15:25:02,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 455. [2021-02-21 15:25:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2021-02-21 15:25:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2021-02-21 15:25:02,309 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 57 [2021-02-21 15:25:02,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:25:02,310 INFO L480 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2021-02-21 15:25:02,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 15:25:02,310 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2021-02-21 15:25:02,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-21 15:25:02,313 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 15:25:02,313 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] [2021-02-21 15:25:02,313 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 15:25:02,314 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 15:25:02,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 15:25:02,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2032346012, now seen corresponding path program 1 times [2021-02-21 15:25:02,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 15:25:02,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210637813] [2021-02-21 15:25:02,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 15:25:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,723 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:25:02,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 15:25:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 15:25:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-02-21 15:25:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 15:25:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-21 15:25:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-02-21 15:25:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-02-21 15:25:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-21 15:25:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 15:25:02,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-21 15:25:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 15:25:02,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 15:25:02,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 15:25:02,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 15:25:02,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210637813] [2021-02-21 15:25:02,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 15:25:02,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 15:25:02,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673665359] [2021-02-21 15:25:02,871 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 15:25:02,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 15:25:02,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 15:25:02,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-02-21 15:25:02,872 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand 9 states. [2021-02-21 15:25:03,395 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-21 15:25:04,524 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:25:04,932 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:25:05,308 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-21 15:25:05,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 15:25:05,804 INFO L93 Difference]: Finished difference Result 805 states and 1050 transitions. [2021-02-21 15:25:05,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 15:25:05,805 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-21 15:25:05,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 15:25:05,806 INFO L225 Difference]: With dead ends: 805 [2021-02-21 15:25:05,806 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 15:25:05,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-02-21 15:25:05,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 15:25:05,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 15:25:05,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 15:25:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 15:25:05,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2021-02-21 15:25:05,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 15:25:05,812 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 15:25:05,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 15:25:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 15:25:05,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 15:25:05,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 15:25:05,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 15:25:09,635 WARN L202 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-21 15:25:09,928 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:25:10,496 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-21 15:25:10,790 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2021-02-21 15:25:11,351 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-21 15:25:11,656 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:25:11,956 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:25:12,333 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-21 15:25:12,888 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-21 15:25:13,425 WARN L202 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-21 15:25:13,700 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 1 [2021-02-21 15:25:14,242 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 8 [2021-02-21 15:25:14,829 WARN L202 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 8 [2021-02-21 15:25:15,150 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:25:15,711 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 9 [2021-02-21 15:25:16,532 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 14 [2021-02-21 15:25:16,821 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:25:17,122 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2021-02-21 15:25:17,398 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-21 15:25:17,703 WARN L202 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-21 15:25:18,002 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-21 15:25:18,298 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 24 [2021-02-21 15:25:18,623 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2021-02-21 15:25:19,170 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 11 [2021-02-21 15:25:19,497 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 8 [2021-02-21 15:25:19,501 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 15:25:19,502 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 15:25:19,502 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 15:25:19,502 INFO L189 CegarLoopUtils]: For program point L670(line 670) no Hoare annotation was computed. [2021-02-21 15:25:19,502 INFO L189 CegarLoopUtils]: For program point L669-2(lines 669 690) no Hoare annotation was computed. [2021-02-21 15:25:19,503 INFO L189 CegarLoopUtils]: For program point L691(lines 668 692) no Hoare annotation was computed. [2021-02-21 15:25:19,503 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeFINAL(lines 644 699) no Hoare annotation was computed. [2021-02-21 15:25:19,503 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeEXIT(lines 644 699) no Hoare annotation was computed. [2021-02-21 15:25:19,503 INFO L189 CegarLoopUtils]: For program point L675(lines 675 679) no Hoare annotation was computed. [2021-02-21 15:25:19,503 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_freeENTRY(lines 644 699) no Hoare annotation was computed. [2021-02-21 15:25:19,503 INFO L189 CegarLoopUtils]: For program point L675-1(lines 675 679) no Hoare annotation was computed. [2021-02-21 15:25:19,504 INFO L189 CegarLoopUtils]: For program point L732(lines 732 736) no Hoare annotation was computed. [2021-02-21 15:25:19,504 INFO L189 CegarLoopUtils]: For program point L732-1(lines 732 736) no Hoare annotation was computed. [2021-02-21 15:25:19,504 INFO L189 CegarLoopUtils]: For program point L727(line 727) no Hoare annotation was computed. [2021-02-21 15:25:19,504 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetFINAL(lines 700 759) no Hoare annotation was computed. [2021-02-21 15:25:19,504 INFO L189 CegarLoopUtils]: For program point L726-2(lines 726 751) no Hoare annotation was computed. [2021-02-21 15:25:19,504 INFO L189 CegarLoopUtils]: For program point L752(lines 725 753) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetENTRY(lines 700 759) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_resetEXIT(lines 700 759) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point L745(line 745) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point L745-1(line 745) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L192 CegarLoopUtils]: At program point select_helpersFINAL(lines 258 264) the Hoare annotation is: true [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point select_helpersEXIT(lines 258 264) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point valid_productEXIT(lines 265 273) no Hoare annotation was computed. [2021-02-21 15:25:19,505 INFO L192 CegarLoopUtils]: At program point valid_productENTRY(lines 265 273) the Hoare annotation is: true [2021-02-21 15:25:19,505 INFO L189 CegarLoopUtils]: For program point valid_productFINAL(lines 265 273) no Hoare annotation was computed. [2021-02-21 15:25:19,506 INFO L185 CegarLoopUtils]: At program point L129(line 129) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,506 INFO L185 CegarLoopUtils]: At program point L128(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,506 INFO L185 CegarLoopUtils]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,506 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,506 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2021-02-21 15:25:19,506 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2021-02-21 15:25:19,507 INFO L185 CegarLoopUtils]: At program point L134(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,507 INFO L185 CegarLoopUtils]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,507 INFO L189 CegarLoopUtils]: For program point L132(lines 132 139) no Hoare annotation was computed. [2021-02-21 15:25:19,507 INFO L189 CegarLoopUtils]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2021-02-21 15:25:19,507 INFO L189 CegarLoopUtils]: For program point L130(line 130) no Hoare annotation was computed. [2021-02-21 15:25:19,507 INFO L189 CegarLoopUtils]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2021-02-21 15:25:19,507 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L94(line 94) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L93(line 93) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L91(line 91) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L90(line 90) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L88(line 88) no Hoare annotation was computed. [2021-02-21 15:25:19,508 INFO L189 CegarLoopUtils]: For program point L87(line 87) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L85(line 85) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L84(line 84) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L82(line 82) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L185 CegarLoopUtils]: At program point L351(line 351) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L349(lines 349 357) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L185 CegarLoopUtils]: At program point L347(line 347) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L347-1(line 347) no Hoare annotation was computed. [2021-02-21 15:25:19,509 INFO L189 CegarLoopUtils]: For program point L345(lines 345 362) no Hoare annotation was computed. [2021-02-21 15:25:19,510 INFO L185 CegarLoopUtils]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 341 365) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,510 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 341 365) no Hoare annotation was computed. [2021-02-21 15:25:19,510 INFO L185 CegarLoopUtils]: At program point L360(line 360) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,510 INFO L189 CegarLoopUtils]: For program point L360-1(lines 341 365) no Hoare annotation was computed. [2021-02-21 15:25:19,510 INFO L185 CegarLoopUtils]: At program point L355(line 355) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,510 INFO L189 CegarLoopUtils]: For program point stopSystemEXIT(lines 500 514) no Hoare annotation was computed. [2021-02-21 15:25:19,510 INFO L185 CegarLoopUtils]: At program point L506(line 506) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-21 15:25:19,510 INFO L189 CegarLoopUtils]: For program point L504(lines 504 510) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L185 CegarLoopUtils]: At program point stopSystemENTRY(lines 500 514) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point stopSystemFINAL(lines 500 514) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point isPumpRunningEXIT(lines 436 444) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L192 CegarLoopUtils]: At program point isPumpRunningENTRY(lines 436 444) the Hoare annotation is: true [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point isPumpRunningFINAL(lines 436 444) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point L490(lines 490 494) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L192 CegarLoopUtils]: At program point isLowWaterLevelENTRY(lines 481 499) the Hoare annotation is: true [2021-02-21 15:25:19,511 INFO L192 CegarLoopUtils]: At program point L488(line 488) the Hoare annotation is: true [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point L490-2(lines 490 494) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point L488-1(line 488) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelEXIT(lines 481 499) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point isLowWaterLevelFINAL(lines 481 499) no Hoare annotation was computed. [2021-02-21 15:25:19,511 INFO L189 CegarLoopUtils]: For program point L475(line 475) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point L475-1(line 475) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point L464(lines 464 472) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point printPumpFINAL(lines 445 480) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point L464-2(lines 464 472) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point printPumpENTRY(lines 445 480) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point L452(lines 452 460) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point printPumpEXIT(lines 445 480) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point L452-2(lines 452 460) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point select_featuresEXIT(lines 251 257) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L192 CegarLoopUtils]: At program point select_featuresFINAL(lines 251 257) the Hoare annotation is: true [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setENTRY(lines 598 643) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setEXIT(lines 598 643) no Hoare annotation was computed. [2021-02-21 15:25:19,512 INFO L189 CegarLoopUtils]: For program point __utac__exception__cf_handler_setFINAL(lines 598 643) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point L925(lines 925 945) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point L925-1(lines 925 945) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeFINAL(lines 911 956) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeENTRY(lines 911 956) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argtypeEXIT(lines 911 956) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point L931(lines 931 938) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L185 CegarLoopUtils]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2021-02-21 15:25:19,513 INFO L192 CegarLoopUtils]: At program point isMethaneAlarmENTRY(lines 425 435) the Hoare annotation is: true [2021-02-21 15:25:19,513 INFO L192 CegarLoopUtils]: At program point L430(line 430) the Hoare annotation is: true [2021-02-21 15:25:19,513 INFO L189 CegarLoopUtils]: For program point L430-1(line 430) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmEXIT(lines 425 435) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point isMethaneAlarmFINAL(lines 425 435) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L192 CegarLoopUtils]: At program point deactivatePumpENTRY(lines 417 424) the Hoare annotation is: true [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point deactivatePumpEXIT(lines 417 424) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point deactivatePumpFINAL(lines 417 424) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point L386-1(lines 367 391) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L185 CegarLoopUtils]: At program point L381(line 381) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,514 INFO L185 CegarLoopUtils]: At program point L377(line 377) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point L375(lines 375 383) no Hoare annotation was computed. [2021-02-21 15:25:19,514 INFO L189 CegarLoopUtils]: For program point processEnvironmentEXIT(lines 367 391) no Hoare annotation was computed. [2021-02-21 15:25:19,515 INFO L185 CegarLoopUtils]: At program point L373(line 373) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,515 INFO L189 CegarLoopUtils]: For program point L373-1(line 373) no Hoare annotation was computed. [2021-02-21 15:25:19,515 INFO L185 CegarLoopUtils]: At program point processEnvironmentENTRY(lines 367 391) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,515 INFO L189 CegarLoopUtils]: For program point L371(lines 371 388) no Hoare annotation was computed. [2021-02-21 15:25:19,515 INFO L185 CegarLoopUtils]: At program point L386(line 386) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,515 INFO L189 CegarLoopUtils]: For program point processEnvironment__wrappee__baseEXIT(lines 333 339) no Hoare annotation was computed. [2021-02-21 15:25:19,515 INFO L192 CegarLoopUtils]: At program point processEnvironment__wrappee__baseFINAL(lines 333 339) the Hoare annotation is: true [2021-02-21 15:25:19,515 INFO L185 CegarLoopUtils]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,516 INFO L185 CegarLoopUtils]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2021-02-21 15:25:19,516 INFO L189 CegarLoopUtils]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2021-02-21 15:25:19,516 INFO L185 CegarLoopUtils]: At program point L564(line 564) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:25:19,516 INFO L189 CegarLoopUtils]: For program point L562(lines 562 568) no Hoare annotation was computed. [2021-02-21 15:25:19,516 INFO L185 CegarLoopUtils]: At program point L562-1(lines 556 569) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:25:19,516 INFO L189 CegarLoopUtils]: For program point L527(lines 526 573) no Hoare annotation was computed. [2021-02-21 15:25:19,516 INFO L189 CegarLoopUtils]: For program point L556(lines 556 569) no Hoare annotation was computed. [2021-02-21 15:25:19,516 INFO L185 CegarLoopUtils]: At program point L548(line 548) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:25:19,516 INFO L189 CegarLoopUtils]: For program point L546(lines 546 552) no Hoare annotation was computed. [2021-02-21 15:25:19,516 INFO L189 CegarLoopUtils]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2021-02-21 15:25:19,516 INFO L185 CegarLoopUtils]: At program point L571(lines 526 573) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:25:19,516 INFO L185 CegarLoopUtils]: At program point L538(line 538) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point L536(lines 536 542) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argENTRY(lines 865 910) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point L885(lines 885 892) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argEXIT(lines 865 910) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point __utac__get_this_argFINAL(lines 865 910) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point L879(lines 879 899) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point L879-1(lines 879 899) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 392 399) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 392 399) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 392 399) no Hoare annotation was computed. [2021-02-21 15:25:19,517 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryFINAL(lines 230 238) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L192 CegarLoopUtils]: At program point isLowWaterSensorDryENTRY(lines 230 238) the Hoare annotation is: true [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point isLowWaterSensorDryEXIT(lines 230 238) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point L206(lines 206 214) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point printEnvironmentEXIT(lines 198 220) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point printEnvironmentENTRY(lines 198 220) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point printEnvironmentFINAL(lines 198 220) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point select_oneENTRY(lines 241 250) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point select_oneFINAL(lines 241 250) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point select_oneEXIT(lines 241 250) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point L832(lines 810 833) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtENTRY(lines 762 864) no Hoare annotation was computed. [2021-02-21 15:25:19,518 INFO L189 CegarLoopUtils]: For program point L791(lines 791 807) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L851(lines 851 858) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L812(lines 811 831) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L843(line 843) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L843-1(line 843) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L808(lines 808 849) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtFINAL(lines 762 864) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L827(line 827) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L827-1(line 827) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L786(lines 786 790) no Hoare annotation was computed. [2021-02-21 15:25:19,519 INFO L189 CegarLoopUtils]: For program point L850(lines 850 861) no Hoare annotation was computed. [2021-02-21 15:25:19,520 INFO L189 CegarLoopUtils]: For program point __utac__error_stack_mgtEXIT(lines 762 864) no Hoare annotation was computed. [2021-02-21 15:25:19,520 INFO L189 CegarLoopUtils]: For program point L813(lines 813 817) no Hoare annotation was computed. [2021-02-21 15:25:19,520 INFO L189 CegarLoopUtils]: For program point L811-2(lines 811 831) no Hoare annotation was computed. [2021-02-21 15:25:19,520 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,520 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.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~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string77.offset| |old(#t~string77.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string77.base| |old(#t~string77.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point activatePumpEXIT(lines 400 416) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point L411(line 411) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point L411-1(lines 400 416) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point activatePumpENTRY(lines 400 416) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point L405(line 405) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point L405-1(line 405) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point getWaterLevelENTRY(lines 221 229) no Hoare annotation was computed. [2021-02-21 15:25:19,521 INFO L189 CegarLoopUtils]: For program point getWaterLevelFINAL(lines 221 229) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L189 CegarLoopUtils]: For program point getWaterLevelEXIT(lines 221 229) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L185 CegarLoopUtils]: At program point changeMethaneLevelENTRY(lines 177 188) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2021-02-21 15:25:19,522 INFO L189 CegarLoopUtils]: For program point changeMethaneLevelEXIT(lines 177 188) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L189 CegarLoopUtils]: For program point L181-1(lines 177 188) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L189 CegarLoopUtils]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,522 INFO L185 CegarLoopUtils]: At program point L320(lines 320 326) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,522 INFO L185 CegarLoopUtils]: At program point L315(line 315) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2021-02-21 15:25:19,523 INFO L189 CegarLoopUtils]: For program point L313(lines 312 331) no Hoare annotation was computed. [2021-02-21 15:25:19,523 INFO L185 CegarLoopUtils]: At program point timeShiftENTRY(lines 309 332) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,523 INFO L189 CegarLoopUtils]: For program point timeShiftEXIT(lines 309 332) no Hoare annotation was computed. [2021-02-21 15:25:19,523 INFO L189 CegarLoopUtils]: For program point timeShiftFINAL(lines 309 332) no Hoare annotation was computed. [2021-02-21 15:25:19,523 INFO L185 CegarLoopUtils]: At program point L322(line 322) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2021-02-21 15:25:19,523 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-02-21 15:25:19,523 INFO L189 CegarLoopUtils]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2021-02-21 15:25:19,523 INFO L192 CegarLoopUtils]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2021-02-21 15:25:19,523 INFO L189 CegarLoopUtils]: For program point L58(lines 58 62) no Hoare annotation was computed. [2021-02-21 15:25:19,523 INFO L192 CegarLoopUtils]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2021-02-21 15:25:19,524 INFO L189 CegarLoopUtils]: For program point L55(line 55) no Hoare annotation was computed. [2021-02-21 15:25:19,524 INFO L192 CegarLoopUtils]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2021-02-21 15:25:19,524 INFO L192 CegarLoopUtils]: At program point L50(line 50) the Hoare annotation is: true [2021-02-21 15:25:19,524 INFO L189 CegarLoopUtils]: For program point L50-1(line 50) no Hoare annotation was computed. [2021-02-21 15:25:19,524 INFO L192 CegarLoopUtils]: At program point L69(lines 44 73) the Hoare annotation is: true [2021-02-21 15:25:19,524 INFO L192 CegarLoopUtils]: At program point isMethaneLevelCriticalENTRY(lines 189 197) the Hoare annotation is: true [2021-02-21 15:25:19,524 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalFINAL(lines 189 197) no Hoare annotation was computed. [2021-02-21 15:25:19,524 INFO L189 CegarLoopUtils]: For program point isMethaneLevelCriticalEXIT(lines 189 197) no Hoare annotation was computed. [2021-02-21 15:25:19,524 INFO L192 CegarLoopUtils]: At program point lowerWaterLevelENTRY(lines 153 164) the Hoare annotation is: true [2021-02-21 15:25:19,524 INFO L189 CegarLoopUtils]: For program point L157-1(lines 153 164) no Hoare annotation was computed. [2021-02-21 15:25:19,525 INFO L189 CegarLoopUtils]: For program point lowerWaterLevelEXIT(lines 153 164) no Hoare annotation was computed. [2021-02-21 15:25:19,525 INFO L189 CegarLoopUtils]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2021-02-21 15:25:19,525 INFO L192 CegarLoopUtils]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2021-02-21 15:25:19,525 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,525 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-02-21 15:25:19,525 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 15:25:19,525 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 15:25:19,525 INFO L189 CegarLoopUtils]: For program point waterRiseEXIT(lines 165 176) no Hoare annotation was computed. [2021-02-21 15:25:19,525 INFO L189 CegarLoopUtils]: For program point L169-1(lines 165 176) no Hoare annotation was computed. [2021-02-21 15:25:19,526 INFO L185 CegarLoopUtils]: At program point waterRiseENTRY(lines 165 176) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2021-02-21 15:25:19,526 INFO L189 CegarLoopUtils]: For program point __automaton_failFINAL(lines 583 590) no Hoare annotation was computed. [2021-02-21 15:25:19,526 INFO L189 CegarLoopUtils]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 587) no Hoare annotation was computed. [2021-02-21 15:25:19,526 INFO L192 CegarLoopUtils]: At program point __automaton_failENTRY(lines 583 590) the Hoare annotation is: true [2021-02-21 15:25:19,526 INFO L189 CegarLoopUtils]: For program point __automaton_failEXIT(lines 583 590) no Hoare annotation was computed. [2021-02-21 15:25:19,526 INFO L189 CegarLoopUtils]: For program point L289(lines 289 295) no Hoare annotation was computed. [2021-02-21 15:25:19,526 INFO L185 CegarLoopUtils]: At program point L287(line 287) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2021-02-21 15:25:19,526 INFO L189 CegarLoopUtils]: For program point L287-1(line 287) no Hoare annotation was computed. [2021-02-21 15:25:19,526 INFO L189 CegarLoopUtils]: For program point L285(lines 285 298) no Hoare annotation was computed. [2021-02-21 15:25:19,527 INFO L192 CegarLoopUtils]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 277 301) the Hoare annotation is: true [2021-02-21 15:25:19,527 INFO L189 CegarLoopUtils]: For program point L285-1(lines 277 301) no Hoare annotation was computed. [2021-02-21 15:25:19,527 INFO L192 CegarLoopUtils]: At program point L283(line 283) the Hoare annotation is: true [2021-02-21 15:25:19,527 INFO L189 CegarLoopUtils]: For program point L283-1(line 283) no Hoare annotation was computed. [2021-02-21 15:25:19,527 INFO L189 CegarLoopUtils]: For program point __utac_acc__Specification1_spec__1EXIT(lines 277 301) no Hoare annotation was computed. [2021-02-21 15:25:19,527 INFO L185 CegarLoopUtils]: At program point L291(line 291) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2021-02-21 15:25:19,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 03:25:19 BoogieIcfgContainer [2021-02-21 15:25:19,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 15:25:19,546 INFO L168 Benchmark]: Toolchain (without parser) took 35285.10 ms. Allocated memory was 153.1 MB in the beginning and 385.9 MB in the end (delta: 232.8 MB). Free memory was 134.5 MB in the beginning and 158.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 239.9 MB. Max. memory is 8.0 GB. [2021-02-21 15:25:19,546 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 15:25:19,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 635.17 ms. Allocated memory is still 153.1 MB. Free memory was 133.5 MB in the beginning and 112.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-02-21 15:25:19,547 INFO L168 Benchmark]: Boogie Preprocessor took 138.55 ms. Allocated memory is still 153.1 MB. Free memory was 112.4 MB in the beginning and 132.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 2.9 MB. Max. memory is 8.0 GB. [2021-02-21 15:25:19,547 INFO L168 Benchmark]: RCFGBuilder took 1404.50 ms. Allocated memory is still 153.1 MB. Free memory was 132.2 MB in the beginning and 100.4 MB in the end (delta: 31.8 MB). Peak memory consumption was 57.7 MB. Max. memory is 8.0 GB. [2021-02-21 15:25:19,548 INFO L168 Benchmark]: TraceAbstraction took 33086.08 ms. Allocated memory was 153.1 MB in the beginning and 385.9 MB in the end (delta: 232.8 MB). Free memory was 99.9 MB in the beginning and 158.4 MB in the end (delta: -58.5 MB). Peak memory consumption was 206.7 MB. Max. memory is 8.0 GB. [2021-02-21 15:25:19,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 153.1 MB. Free memory is still 126.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 635.17 ms. Allocated memory is still 153.1 MB. Free memory was 133.5 MB in the beginning and 112.4 MB in the end (delta: 21.1 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 138.55 ms. Allocated memory is still 153.1 MB. Free memory was 112.4 MB in the beginning and 132.2 MB in the end (delta: -19.8 MB). Peak memory consumption was 2.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1404.50 ms. Allocated memory is still 153.1 MB. Free memory was 132.2 MB in the beginning and 100.4 MB in the end (delta: 31.8 MB). Peak memory consumption was 57.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33086.08 ms. Allocated memory was 153.1 MB in the beginning and 385.9 MB in the end (delta: 232.8 MB). Free memory was 99.9 MB in the beginning and 158.4 MB in the end (delta: -58.5 MB). Peak memory consumption was 206.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 587]: 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: 525]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 15.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 13.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 534 SDtfs, 917 SDslu, 431 SDs, 0 SdLazy, 2256 SolverSat, 595 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 7.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 246 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 614 PreInvPairs, 689 NumberOfFragments, 743 HoareAnnotationTreeSize, 614 FomulaSimplifications, 61552 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 59 FomulaSimplificationsInter, 20253 FormulaSimplificationTreeSizeReductionInter, 10.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 77880 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...