/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_spec2_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 17:36:54,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 17:36:54,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 17:36:55,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 17:36:55,004 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 17:36:55,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 17:36:55,013 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 17:36:55,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 17:36:55,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 17:36:55,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 17:36:55,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 17:36:55,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 17:36:55,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 17:36:55,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 17:36:55,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 17:36:55,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 17:36:55,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 17:36:55,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 17:36:55,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 17:36:55,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 17:36:55,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 17:36:55,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 17:36:55,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 17:36:55,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 17:36:55,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 17:36:55,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 17:36:55,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 17:36:55,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 17:36:55,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 17:36:55,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 17:36:55,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 17:36:55,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 17:36:55,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 17:36:55,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 17:36:55,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 17:36:55,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 17:36:55,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 17:36:55,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 17:36:55,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 17:36:55,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 17:36:55,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 17:36:55,093 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 [2020-10-23 17:36:55,150 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 17:36:55,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 17:36:55,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 17:36:55,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 17:36:55,156 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 17:36:55,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 17:36:55,157 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 17:36:55,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 17:36:55,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 17:36:55,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 17:36:55,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 17:36:55,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 17:36:55,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 17:36:55,159 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 17:36:55,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 17:36:55,160 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 17:36:55,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 17:36:55,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 17:36:55,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 17:36:55,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 17:36:55,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 17:36:55,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 17:36:55,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 17:36:55,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 17:36:55,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 17:36:55,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 17:36:55,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 17:36:55,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 17:36:55,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 17:36:55,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 17:36:55,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 17:36:55,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 17:36:55,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 17:36:55,604 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 17:36:55,605 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 17:36:55,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-10-23 17:36:55,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cb09de95/5daef23aff3648f58a1279e1d3965434/FLAG6a4bae610 [2020-10-23 17:36:56,397 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 17:36:56,398 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product54.cil.c [2020-10-23 17:36:56,419 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cb09de95/5daef23aff3648f58a1279e1d3965434/FLAG6a4bae610 [2020-10-23 17:36:56,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cb09de95/5daef23aff3648f58a1279e1d3965434 [2020-10-23 17:36:56,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 17:36:56,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 17:36:56,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 17:36:56,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 17:36:56,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 17:36:56,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:36:56" (1/1) ... [2020-10-23 17:36:56,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72180d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:56, skipping insertion in model container [2020-10-23 17:36:56,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 05:36:56" (1/1) ... [2020-10-23 17:36:56,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 17:36:56,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 17:36:57,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:36:57,213 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 17:36:57,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 17:36:57,415 INFO L208 MainTranslator]: Completed translation [2020-10-23 17:36:57,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57 WrapperNode [2020-10-23 17:36:57,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 17:36:57,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 17:36:57,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 17:36:57,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 17:36:57,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,451 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (1/1) ... [2020-10-23 17:36:57,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 17:36:57,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 17:36:57,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 17:36:57,507 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 17:36:57,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (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 [2020-10-23 17:36:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 17:36:57,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 17:36:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 17:36:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 17:36:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 17:36:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 17:36:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 17:36:57,578 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 17:36:57,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 17:36:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 17:36:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 17:36:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 17:36:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 17:36:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 17:36:57,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 17:36:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 17:36:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 17:36:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 17:36:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 17:36:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 17:36:57,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 17:36:57,582 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 17:36:57,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 17:36:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 17:36:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 17:36:57,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 17:36:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 17:36:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 17:36:57,584 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 17:36:57,585 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 17:36:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 17:36:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-23 17:36:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 17:36:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 17:36:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 17:36:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 17:36:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 17:36:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 17:36:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 17:36:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 17:36:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 17:36:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 17:36:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 17:36:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 17:36:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 17:36:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 17:36:57,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 17:36:57,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 17:36:58,901 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 17:36:58,902 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 17:36:58,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:36:58 BoogieIcfgContainer [2020-10-23 17:36:58,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 17:36:58,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 17:36:58,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 17:36:58,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 17:36:58,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 05:36:56" (1/3) ... [2020-10-23 17:36:58,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a3805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:36:58, skipping insertion in model container [2020-10-23 17:36:58,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 05:36:57" (2/3) ... [2020-10-23 17:36:58,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a3805f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 05:36:58, skipping insertion in model container [2020-10-23 17:36:58,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 05:36:58" (3/3) ... [2020-10-23 17:36:58,914 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product54.cil.c [2020-10-23 17:36:58,926 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 17:36:58,932 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 17:36:58,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 17:36:58,976 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 17:36:58,977 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 17:36:58,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 17:36:58,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 17:36:58,977 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 17:36:58,977 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 17:36:58,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 17:36:58,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 17:36:59,000 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2020-10-23 17:36:59,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-23 17:36:59,011 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:36:59,012 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] [2020-10-23 17:36:59,012 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:36:59,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:36:59,019 INFO L82 PathProgramCache]: Analyzing trace with hash -822990081, now seen corresponding path program 1 times [2020-10-23 17:36:59,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:36:59,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239674791] [2020-10-23 17:36:59,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:36:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,818 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:36:59,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:36:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:36:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:36:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:36:59,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:36:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:36:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-23 17:36:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-23 17:36:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:36:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:36:59,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239674791] [2020-10-23 17:36:59,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:36:59,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 17:36:59,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385587085] [2020-10-23 17:36:59,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 17:36:59,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:36:59,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 17:36:59,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:36:59,970 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 4 states. [2020-10-23 17:37:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:01,647 INFO L93 Difference]: Finished difference Result 343 states and 446 transitions. [2020-10-23 17:37:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 17:37:01,649 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-23 17:37:01,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:01,664 INFO L225 Difference]: With dead ends: 343 [2020-10-23 17:37:01,664 INFO L226 Difference]: Without dead ends: 188 [2020-10-23 17:37:01,669 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 17:37:01,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-10-23 17:37:01,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 153. [2020-10-23 17:37:01,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-23 17:37:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2020-10-23 17:37:01,779 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2020-10-23 17:37:01,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:01,779 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2020-10-23 17:37:01,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 17:37:01,780 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2020-10-23 17:37:01,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-23 17:37:01,784 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:01,784 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] [2020-10-23 17:37:01,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 17:37:01,785 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:01,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:01,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1566293033, now seen corresponding path program 1 times [2020-10-23 17:37:01,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:01,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254781911] [2020-10-23 17:37:01,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,293 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:02,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-23 17:37:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-23 17:37:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:02,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254781911] [2020-10-23 17:37:02,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:02,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 17:37:02,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306214450] [2020-10-23 17:37:02,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 17:37:02,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:02,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 17:37:02,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 17:37:02,358 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 5 states. [2020-10-23 17:37:03,029 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:04,545 INFO L93 Difference]: Finished difference Result 281 states and 349 transitions. [2020-10-23 17:37:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 17:37:04,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-23 17:37:04,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:04,552 INFO L225 Difference]: With dead ends: 281 [2020-10-23 17:37:04,556 INFO L226 Difference]: Without dead ends: 178 [2020-10-23 17:37:04,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 17:37:04,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-23 17:37:04,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2020-10-23 17:37:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-23 17:37:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2020-10-23 17:37:04,647 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2020-10-23 17:37:04,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:04,647 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2020-10-23 17:37:04,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 17:37:04,648 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2020-10-23 17:37:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-23 17:37:04,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:04,659 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] [2020-10-23 17:37:04,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 17:37:04,659 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:04,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:04,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1912966778, now seen corresponding path program 1 times [2020-10-23 17:37:04,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:04,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320972819] [2020-10-23 17:37:04,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,194 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:05,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:05,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-23 17:37:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-23 17:37:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:05,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:05,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320972819] [2020-10-23 17:37:05,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:05,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:37:05,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523563676] [2020-10-23 17:37:05,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:37:05,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:05,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:37:05,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:37:05,333 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 9 states. [2020-10-23 17:37:05,884 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:06,359 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:06,773 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:07,187 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:09,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:09,032 INFO L93 Difference]: Finished difference Result 294 states and 368 transitions. [2020-10-23 17:37:09,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 17:37:09,035 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 58 [2020-10-23 17:37:09,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:09,041 INFO L225 Difference]: With dead ends: 294 [2020-10-23 17:37:09,041 INFO L226 Difference]: Without dead ends: 178 [2020-10-23 17:37:09,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-10-23 17:37:09,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-10-23 17:37:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 144. [2020-10-23 17:37:09,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-23 17:37:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2020-10-23 17:37:09,116 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2020-10-23 17:37:09,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:09,118 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2020-10-23 17:37:09,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:37:09,119 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2020-10-23 17:37:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-23 17:37:09,121 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:09,121 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:09,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 17:37:09,121 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:09,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:09,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1012915214, now seen corresponding path program 1 times [2020-10-23 17:37:09,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:09,122 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859227377] [2020-10-23 17:37:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,571 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:09,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:37:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:09,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-23 17:37:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-23 17:37:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:09,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859227377] [2020-10-23 17:37:09,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:09,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 17:37:09,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713747937] [2020-10-23 17:37:09,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 17:37:09,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:09,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 17:37:09,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-23 17:37:09,691 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 7 states. [2020-10-23 17:37:10,194 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:11,947 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:13,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:13,091 INFO L93 Difference]: Finished difference Result 401 states and 505 transitions. [2020-10-23 17:37:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 17:37:13,091 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2020-10-23 17:37:13,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:13,096 INFO L225 Difference]: With dead ends: 401 [2020-10-23 17:37:13,096 INFO L226 Difference]: Without dead ends: 285 [2020-10-23 17:37:13,097 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-23 17:37:13,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-10-23 17:37:13,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 234. [2020-10-23 17:37:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-23 17:37:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 267 transitions. [2020-10-23 17:37:13,160 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 267 transitions. Word has length 76 [2020-10-23 17:37:13,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:13,160 INFO L481 AbstractCegarLoop]: Abstraction has 234 states and 267 transitions. [2020-10-23 17:37:13,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 17:37:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 267 transitions. [2020-10-23 17:37:13,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-23 17:37:13,162 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:13,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:13,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 17:37:13,163 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:13,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:13,163 INFO L82 PathProgramCache]: Analyzing trace with hash -1739108450, now seen corresponding path program 1 times [2020-10-23 17:37:13,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:13,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381758520] [2020-10-23 17:37:13,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,592 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:13,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-23 17:37:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-23 17:37:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-23 17:37:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:13,727 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381758520] [2020-10-23 17:37:13,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:13,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 17:37:13,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104268950] [2020-10-23 17:37:13,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 17:37:13,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:13,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 17:37:13,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-23 17:37:13,732 INFO L87 Difference]: Start difference. First operand 234 states and 267 transitions. Second operand 9 states. [2020-10-23 17:37:14,302 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:16,024 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:16,449 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:16,824 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:17,199 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:19,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:19,116 INFO L93 Difference]: Finished difference Result 697 states and 866 transitions. [2020-10-23 17:37:19,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-23 17:37:19,117 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-23 17:37:19,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:19,122 INFO L225 Difference]: With dead ends: 697 [2020-10-23 17:37:19,122 INFO L226 Difference]: Without dead ends: 491 [2020-10-23 17:37:19,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-10-23 17:37:19,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2020-10-23 17:37:19,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 415. [2020-10-23 17:37:19,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2020-10-23 17:37:19,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 473 transitions. [2020-10-23 17:37:19,255 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 473 transitions. Word has length 90 [2020-10-23 17:37:19,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:19,258 INFO L481 AbstractCegarLoop]: Abstraction has 415 states and 473 transitions. [2020-10-23 17:37:19,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 17:37:19,258 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 473 transitions. [2020-10-23 17:37:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-23 17:37:19,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:19,262 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:19,262 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 17:37:19,262 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:19,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:19,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1016068602, now seen corresponding path program 1 times [2020-10-23 17:37:19,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:19,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878755448] [2020-10-23 17:37:19,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,700 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:19,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:37:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:37:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:19,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-23 17:37:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-23 17:37:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:19,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878755448] [2020-10-23 17:37:19,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:19,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 17:37:19,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435160192] [2020-10-23 17:37:19,858 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 17:37:19,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:19,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 17:37:19,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 17:37:19,859 INFO L87 Difference]: Start difference. First operand 415 states and 473 transitions. Second operand 10 states. [2020-10-23 17:37:20,581 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:22,163 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:22,522 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:22,903 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:23,344 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:25,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:25,196 INFO L93 Difference]: Finished difference Result 916 states and 1121 transitions. [2020-10-23 17:37:25,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-23 17:37:25,196 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-10-23 17:37:25,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:25,202 INFO L225 Difference]: With dead ends: 916 [2020-10-23 17:37:25,203 INFO L226 Difference]: Without dead ends: 529 [2020-10-23 17:37:25,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-10-23 17:37:25,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-10-23 17:37:25,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 414. [2020-10-23 17:37:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2020-10-23 17:37:25,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 470 transitions. [2020-10-23 17:37:25,325 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 470 transitions. Word has length 94 [2020-10-23 17:37:25,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:25,326 INFO L481 AbstractCegarLoop]: Abstraction has 414 states and 470 transitions. [2020-10-23 17:37:25,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 17:37:25,326 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 470 transitions. [2020-10-23 17:37:25,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-23 17:37:25,328 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:25,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:25,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 17:37:25,329 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:25,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:25,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1941160006, now seen corresponding path program 1 times [2020-10-23 17:37:25,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:25,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642528514] [2020-10-23 17:37:25,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,692 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:25,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:25,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:37:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:37:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-23 17:37:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-23 17:37:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:25,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:25,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642528514] [2020-10-23 17:37:25,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:25,920 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 17:37:25,920 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257365945] [2020-10-23 17:37:25,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 17:37:25,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:25,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 17:37:25,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-23 17:37:25,922 INFO L87 Difference]: Start difference. First operand 414 states and 470 transitions. Second operand 10 states. [2020-10-23 17:37:27,165 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 17:37:27,561 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 17:37:27,934 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:28,314 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:29,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:29,994 INFO L93 Difference]: Finished difference Result 919 states and 1132 transitions. [2020-10-23 17:37:29,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 17:37:29,995 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2020-10-23 17:37:29,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:29,999 INFO L225 Difference]: With dead ends: 919 [2020-10-23 17:37:29,999 INFO L226 Difference]: Without dead ends: 533 [2020-10-23 17:37:30,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-23 17:37:30,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2020-10-23 17:37:30,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 424. [2020-10-23 17:37:30,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-23 17:37:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 480 transitions. [2020-10-23 17:37:30,102 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 480 transitions. Word has length 95 [2020-10-23 17:37:30,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:30,102 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 480 transitions. [2020-10-23 17:37:30,102 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 17:37:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 480 transitions. [2020-10-23 17:37:30,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-23 17:37:30,104 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:30,104 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:30,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 17:37:30,105 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:30,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:30,105 INFO L82 PathProgramCache]: Analyzing trace with hash -302823292, now seen corresponding path program 1 times [2020-10-23 17:37:30,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:30,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851036338] [2020-10-23 17:37:30,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,501 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:37:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:37:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-23 17:37:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-23 17:37:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:30,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851036338] [2020-10-23 17:37:30,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:30,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-23 17:37:30,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742091780] [2020-10-23 17:37:30,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 17:37:30,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:30,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 17:37:30,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-23 17:37:30,695 INFO L87 Difference]: Start difference. First operand 424 states and 480 transitions. Second operand 12 states. [2020-10-23 17:37:31,746 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:32,133 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:32,500 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:33,455 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:33,833 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:34,232 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 17:37:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:36,142 INFO L93 Difference]: Finished difference Result 943 states and 1176 transitions. [2020-10-23 17:37:36,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 17:37:36,142 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-10-23 17:37:36,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:36,146 INFO L225 Difference]: With dead ends: 943 [2020-10-23 17:37:36,146 INFO L226 Difference]: Without dead ends: 547 [2020-10-23 17:37:36,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-10-23 17:37:36,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2020-10-23 17:37:36,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 432. [2020-10-23 17:37:36,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-23 17:37:36,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 488 transitions. [2020-10-23 17:37:36,254 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 488 transitions. Word has length 95 [2020-10-23 17:37:36,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:36,254 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 488 transitions. [2020-10-23 17:37:36,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 17:37:36,254 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 488 transitions. [2020-10-23 17:37:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-23 17:37:36,256 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:36,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:36,256 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 17:37:36,257 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:36,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:36,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1329980707, now seen corresponding path program 1 times [2020-10-23 17:37:36,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:36,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087716298] [2020-10-23 17:37:36,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,644 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:36,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-23 17:37:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-23 17:37:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-23 17:37:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-23 17:37:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:36,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:36,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087716298] [2020-10-23 17:37:36,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:36,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 17:37:36,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230277601] [2020-10-23 17:37:36,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:37:36,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:36,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:37:36,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 17:37:36,814 INFO L87 Difference]: Start difference. First operand 432 states and 488 transitions. Second operand 8 states. [2020-10-23 17:37:37,391 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:38,142 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:41,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:41,589 INFO L93 Difference]: Finished difference Result 1312 states and 1690 transitions. [2020-10-23 17:37:41,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-23 17:37:41,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-10-23 17:37:41,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:41,596 INFO L225 Difference]: With dead ends: 1312 [2020-10-23 17:37:41,597 INFO L226 Difference]: Without dead ends: 908 [2020-10-23 17:37:41,599 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:37:41,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-10-23 17:37:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 762. [2020-10-23 17:37:41,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-23 17:37:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 890 transitions. [2020-10-23 17:37:41,772 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 890 transitions. Word has length 95 [2020-10-23 17:37:41,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:41,772 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 890 transitions. [2020-10-23 17:37:41,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:37:41,773 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 890 transitions. [2020-10-23 17:37:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-23 17:37:41,775 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:41,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:41,775 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 17:37:41,776 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:41,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:41,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1236158569, now seen corresponding path program 1 times [2020-10-23 17:37:41,776 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:41,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553003571] [2020-10-23 17:37:41,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,198 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:37:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:37:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-23 17:37:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:42,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-23 17:37:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 17:37:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:42,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:42,305 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553003571] [2020-10-23 17:37:42,305 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 17:37:42,305 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 17:37:42,305 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826345991] [2020-10-23 17:37:42,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:37:42,306 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:42,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:37:42,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 17:37:42,307 INFO L87 Difference]: Start difference. First operand 762 states and 890 transitions. Second operand 8 states. [2020-10-23 17:37:42,930 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 17:37:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:47,009 INFO L93 Difference]: Finished difference Result 1501 states and 1927 transitions. [2020-10-23 17:37:47,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 17:37:47,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-10-23 17:37:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:47,020 INFO L225 Difference]: With dead ends: 1501 [2020-10-23 17:37:47,021 INFO L226 Difference]: Without dead ends: 1497 [2020-10-23 17:37:47,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 199 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-10-23 17:37:47,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1497 states. [2020-10-23 17:37:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1497 to 1270. [2020-10-23 17:37:47,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1270 states. [2020-10-23 17:37:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1499 transitions. [2020-10-23 17:37:47,301 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1499 transitions. Word has length 99 [2020-10-23 17:37:47,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:47,301 INFO L481 AbstractCegarLoop]: Abstraction has 1270 states and 1499 transitions. [2020-10-23 17:37:47,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:37:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1499 transitions. [2020-10-23 17:37:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-23 17:37:47,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:47,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:47,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 17:37:47,308 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:47,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:47,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1868967784, now seen corresponding path program 1 times [2020-10-23 17:37:47,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:47,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301634105] [2020-10-23 17:37:47,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,741 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:47,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:37:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:37:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 17:37:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-23 17:37:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:37:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-23 17:37:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 17:37:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:47,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 17:37:47,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:48,020 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-10-23 17:37:48,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301634105] [2020-10-23 17:37:48,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709100790] [2020-10-23 17:37:48,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:37:48,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:48,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 998 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 17:37:48,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:37:48,460 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 17:37:48,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 17:37:48,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-10-23 17:37:48,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137233610] [2020-10-23 17:37:48,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 17:37:48,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:48,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 17:37:48,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-23 17:37:48,464 INFO L87 Difference]: Start difference. First operand 1270 states and 1499 transitions. Second operand 3 states. [2020-10-23 17:37:49,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:49,217 INFO L93 Difference]: Finished difference Result 2147 states and 2571 transitions. [2020-10-23 17:37:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 17:37:49,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2020-10-23 17:37:49,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:49,227 INFO L225 Difference]: With dead ends: 2147 [2020-10-23 17:37:49,227 INFO L226 Difference]: Without dead ends: 1047 [2020-10-23 17:37:49,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-23 17:37:49,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2020-10-23 17:37:49,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1047. [2020-10-23 17:37:49,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-10-23 17:37:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1221 transitions. [2020-10-23 17:37:49,580 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1221 transitions. Word has length 163 [2020-10-23 17:37:49,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:49,581 INFO L481 AbstractCegarLoop]: Abstraction has 1047 states and 1221 transitions. [2020-10-23 17:37:49,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 17:37:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1221 transitions. [2020-10-23 17:37:49,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-23 17:37:49,585 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 17:37:49,586 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 17:37:49,799 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-10-23 17:37:49,800 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 17:37:49,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 17:37:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1992681667, now seen corresponding path program 1 times [2020-10-23 17:37:49,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 17:37:49,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475754456] [2020-10-23 17:37:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 17:37:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,285 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:37:50,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 17:37:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-23 17:37:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-23 17:37:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-23 17:37:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-23 17:37:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 17:37:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-23 17:37:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-23 17:37:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 17:37:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-23 17:37:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-23 17:37:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-23 17:37:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-23 17:37:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-23 17:37:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-23 17:37:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 17:37:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-23 17:37:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 17:37:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-23 17:37:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-23 17:37:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-23 17:37:50,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475754456] [2020-10-23 17:37:50,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173386006] [2020-10-23 17:37:50,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 17:37:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 17:37:51,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-23 17:37:51,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 17:37:51,309 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 17:37:51,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 17:37:51,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 24 [2020-10-23 17:37:51,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685350993] [2020-10-23 17:37:51,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 17:37:51,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 17:37:51,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 17:37:51,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:37:51,312 INFO L87 Difference]: Start difference. First operand 1047 states and 1221 transitions. Second operand 8 states. [2020-10-23 17:37:51,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 17:37:51,996 INFO L93 Difference]: Finished difference Result 1885 states and 2199 transitions. [2020-10-23 17:37:51,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 17:37:51,997 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2020-10-23 17:37:51,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 17:37:51,998 INFO L225 Difference]: With dead ends: 1885 [2020-10-23 17:37:51,998 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 17:37:52,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=488, Unknown=0, NotChecked=0, Total=552 [2020-10-23 17:37:52,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 17:37:52,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 17:37:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 17:37:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 17:37:52,005 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-10-23 17:37:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 17:37:52,005 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 17:37:52,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 17:37:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 17:37:52,005 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 17:37:52,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-23 17:37:52,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 17:37:54,318 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 326 DAG size of output: 285 [2020-10-23 17:37:56,522 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 339 DAG size of output: 285 [2020-10-23 17:37:57,883 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 29 [2020-10-23 17:37:58,055 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 84 [2020-10-23 17:37:59,245 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 270 [2020-10-23 17:37:59,995 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 270 [2020-10-23 17:38:01,251 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 286 [2020-10-23 17:38:01,607 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 26 [2020-10-23 17:38:01,988 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 26 [2020-10-23 17:38:02,201 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 82 [2020-10-23 17:38:02,395 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 25 [2020-10-23 17:38:03,938 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 180 DAG size of output: 25 [2020-10-23 17:38:04,909 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 25 [2020-10-23 17:38:05,223 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-10-23 17:38:05,537 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:07,003 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 220 DAG size of output: 41 [2020-10-23 17:38:07,361 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:07,703 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 1 [2020-10-23 17:38:08,919 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 176 DAG size of output: 24 [2020-10-23 17:38:09,874 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 28 [2020-10-23 17:38:10,569 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2020-10-23 17:38:11,321 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 25 [2020-10-23 17:38:13,391 WARN L193 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 182 DAG size of output: 31 [2020-10-23 17:38:13,750 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 17:38:14,457 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2020-10-23 17:38:15,955 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 222 DAG size of output: 42 [2020-10-23 17:38:18,078 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 189 DAG size of output: 36 [2020-10-23 17:38:18,398 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2020-10-23 17:38:19,388 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 29 [2020-10-23 17:38:20,903 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 180 DAG size of output: 30 [2020-10-23 17:38:21,041 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 27 [2020-10-23 17:38:21,989 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-10-23 17:38:22,659 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2020-10-23 17:38:22,988 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-10-23 17:38:23,319 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 31 [2020-10-23 17:38:24,819 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 180 DAG size of output: 29 [2020-10-23 17:38:25,773 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 27 [2020-10-23 17:38:26,079 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-23 17:38:27,332 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 176 DAG size of output: 24 [2020-10-23 17:38:28,748 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 196 DAG size of output: 46 [2020-10-23 17:38:30,248 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-10-23 17:38:30,564 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-23 17:38:31,569 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-10-23 17:38:31,900 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:32,196 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-23 17:38:33,150 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 29 [2020-10-23 17:38:33,458 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:34,367 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 24 [2020-10-23 17:38:35,039 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2020-10-23 17:38:35,337 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 20 [2020-10-23 17:38:35,651 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-10-23 17:38:35,972 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:36,759 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 41 [2020-10-23 17:38:37,075 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:38,608 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 183 DAG size of output: 29 [2020-10-23 17:38:38,930 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2020-10-23 17:38:39,749 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 41 [2020-10-23 17:38:40,048 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 1 [2020-10-23 17:38:40,356 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 29 [2020-10-23 17:38:40,648 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 1 [2020-10-23 17:38:42,218 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2020-10-23 17:38:43,131 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 24 [2020-10-23 17:38:44,006 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 18 [2020-10-23 17:38:44,309 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-10-23 17:38:45,838 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 223 DAG size of output: 42 [2020-10-23 17:38:47,402 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 183 DAG size of output: 29 [2020-10-23 17:38:48,575 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 193 DAG size of output: 39 [2020-10-23 17:38:48,580 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-23 17:38:48,581 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-23 17:38:48,581 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-23 17:38:48,581 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-23 17:38:48,582 INFO L274 CegarLoopResult]: For program point L289(lines 266 290) no Hoare annotation was computed. [2020-10-23 17:38:48,582 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 242 297) no Hoare annotation was computed. [2020-10-23 17:38:48,582 INFO L274 CegarLoopResult]: For program point L273(lines 273 277) no Hoare annotation was computed. [2020-10-23 17:38:48,582 INFO L274 CegarLoopResult]: For program point L273-1(lines 273 277) no Hoare annotation was computed. [2020-10-23 17:38:48,582 INFO L274 CegarLoopResult]: For program point L268(line 268) no Hoare annotation was computed. [2020-10-23 17:38:48,582 INFO L274 CegarLoopResult]: For program point L267-2(lines 267 288) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 242 297) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 242 297) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point L350(lines 323 351) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point L343-1(line 343) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 298 357) no Hoare annotation was computed. [2020-10-23 17:38:48,583 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 298 357) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point L330(lines 330 334) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 298 357) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point L330-1(lines 330 334) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point L325(line 325) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point L324-2(lines 324 349) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 983 989) the Hoare annotation is: true [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 983 989) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 990 998) no Hoare annotation was computed. [2020-10-23 17:38:48,584 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 990 998) the Hoare annotation is: true [2020-10-23 17:38:48,584 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 990 998) no Hoare annotation was computed. [2020-10-23 17:38:48,585 INFO L270 CegarLoopResult]: At program point L130-1(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,585 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 124 146) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,585 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 124 146) no Hoare annotation was computed. [2020-10-23 17:38:48,585 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 124 146) no Hoare annotation was computed. [2020-10-23 17:38:48,585 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,586 INFO L270 CegarLoopResult]: At program point L136-1(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,586 INFO L274 CegarLoopResult]: For program point L134(lines 134 141) no Hoare annotation was computed. [2020-10-23 17:38:48,586 INFO L274 CegarLoopResult]: For program point L134-1(lines 134 141) no Hoare annotation was computed. [2020-10-23 17:38:48,586 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-23 17:38:48,586 INFO L270 CegarLoopResult]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,586 INFO L270 CegarLoopResult]: At program point L130(line 130) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-23 17:38:48,587 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 769 777) no Hoare annotation was computed. [2020-10-23 17:38:48,588 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 769 777) the Hoare annotation is: true [2020-10-23 17:38:48,588 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 769 777) no Hoare annotation was computed. [2020-10-23 17:38:48,589 INFO L274 CegarLoopResult]: For program point L842(lines 842 846) no Hoare annotation was computed. [2020-10-23 17:38:48,589 INFO L277 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 833 851) the Hoare annotation is: true [2020-10-23 17:38:48,591 INFO L277 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: true [2020-10-23 17:38:48,591 INFO L274 CegarLoopResult]: For program point L842-2(lines 842 846) no Hoare annotation was computed. [2020-10-23 17:38:48,591 INFO L274 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-10-23 17:38:48,591 INFO L274 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 833 851) no Hoare annotation was computed. [2020-10-23 17:38:48,591 INFO L274 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 833 851) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point L797(lines 797 805) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point L797-2(lines 797 805) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point L785(lines 785 793) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point L785-2(lines 785 793) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 778 813) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point L808-1(line 808) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 778 813) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 778 813) no Hoare annotation was computed. [2020-10-23 17:38:48,592 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 976 982) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 976 982) the Hoare annotation is: true [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 196 241) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 196 241) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 196 241) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point L540(lines 540 541) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 509 554) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point L533(lines 533 534) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point L529(lines 529 536) no Hoare annotation was computed. [2020-10-23 17:38:48,593 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 533 534) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 540 541) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point L523(lines 523 543) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 509 554) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point L523-1(lines 523 543) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 509 554) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 110 120) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 110 120) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 110 120) no Hoare annotation was computed. [2020-10-23 17:38:48,594 INFO L270 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,595 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 758 768) the Hoare annotation is: true [2020-10-23 17:38:48,595 INFO L277 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: true [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 758 768) no Hoare annotation was computed. [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point L763-1(line 763) no Hoare annotation was computed. [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 758 768) no Hoare annotation was computed. [2020-10-23 17:38:48,595 INFO L270 CegarLoopResult]: At program point deactivatePumpENTRY(lines 750 757) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 750 757) no Hoare annotation was computed. [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 750 757) no Hoare annotation was computed. [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point L945(lines 945 951) no Hoare annotation was computed. [2020-10-23 17:38:48,595 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 941 954) no Hoare annotation was computed. [2020-10-23 17:38:48,596 INFO L277 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 941 954) the Hoare annotation is: true [2020-10-23 17:38:48,596 INFO L274 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 941 954) no Hoare annotation was computed. [2020-10-23 17:38:48,596 INFO L270 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse3) (or .cse6 .cse5 .cse3))) [2020-10-23 17:38:48,596 INFO L274 CegarLoopResult]: For program point L736-1(lines 717 741) no Hoare annotation was computed. [2020-10-23 17:38:48,596 INFO L270 CegarLoopResult]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 .cse2 .cse4) (or .cse5 .cse0 .cse2))) [2020-10-23 17:38:48,596 INFO L270 CegarLoopResult]: At program point L727(line 727) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse6 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse2)) (or .cse5 .cse1 .cse3 .cse6) (or .cse4 .cse5 .cse3 .cse6))) [2020-10-23 17:38:48,596 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 717 741) no Hoare annotation was computed. [2020-10-23 17:38:48,596 INFO L274 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-10-23 17:38:48,597 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 717 741) the Hoare annotation is: (let ((.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse1 .cse2 .cse3 .cse6) (or .cse4 .cse0 .cse2 .cse3))) [2020-10-23 17:38:48,597 INFO L270 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5) (or .cse6 .cse0 .cse2 .cse3))) [2020-10-23 17:38:48,597 INFO L274 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-10-23 17:38:48,597 INFO L274 CegarLoopResult]: For program point L721(lines 721 738) no Hoare annotation was computed. [2020-10-23 17:38:48,597 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 657 663) no Hoare annotation was computed. [2020-10-23 17:38:48,597 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 657 663) the Hoare annotation is: true [2020-10-23 17:38:48,597 INFO L270 CegarLoopResult]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,597 INFO L274 CegarLoopResult]: For program point L605(lines 605 609) no Hoare annotation was computed. [2020-10-23 17:38:48,598 INFO L270 CegarLoopResult]: At program point L605-2(lines 597 610) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse7 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse7 .cse6 .cse3) (and .cse0 .cse2 .cse6 .cse3 .cse4))) [2020-10-23 17:38:48,598 INFO L274 CegarLoopResult]: For program point L568(lines 567 614) no Hoare annotation was computed. [2020-10-23 17:38:48,598 INFO L270 CegarLoopResult]: At program point L599(line 599) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse7 .cse3) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse7 .cse6 .cse3) (and .cse0 .cse2 .cse6 .cse3 .cse4))) [2020-10-23 17:38:48,598 INFO L274 CegarLoopResult]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2020-10-23 17:38:48,598 INFO L274 CegarLoopResult]: For program point L597(lines 597 610) no Hoare annotation was computed. [2020-10-23 17:38:48,598 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse6 .cse3))) [2020-10-23 17:38:48,599 INFO L274 CegarLoopResult]: For program point L587(lines 587 593) no Hoare annotation was computed. [2020-10-23 17:38:48,599 INFO L274 CegarLoopResult]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2020-10-23 17:38:48,599 INFO L270 CegarLoopResult]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse6 .cse3))) [2020-10-23 17:38:48,599 INFO L270 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= 1 ~systemActive~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 (<= 2 ~waterLevel~0) .cse6 .cse3))) [2020-10-23 17:38:48,599 INFO L274 CegarLoopResult]: For program point L577(lines 577 583) no Hoare annotation was computed. [2020-10-23 17:38:48,599 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2020-10-23 17:38:48,599 INFO L274 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2020-10-23 17:38:48,599 INFO L270 CegarLoopResult]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 487 488) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point L477(lines 477 497) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 494 495) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point L477-1(lines 477 497) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 463 508) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 463 508) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 463 508) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point L494(lines 494 495) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point L487(lines 487 488) no Hoare annotation was computed. [2020-10-23 17:38:48,600 INFO L274 CegarLoopResult]: For program point L483(lines 483 490) no Hoare annotation was computed. [2020-10-23 17:38:48,601 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 955 963) no Hoare annotation was computed. [2020-10-23 17:38:48,601 INFO L277 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 955 963) the Hoare annotation is: true [2020-10-23 17:38:48,601 INFO L274 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 955 963) no Hoare annotation was computed. [2020-10-23 17:38:48,601 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 160 188) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse3 (not (<= 2 ~waterLevel~0))) (or .cse5 .cse0 .cse2 .cse3))) [2020-10-23 17:38:48,601 INFO L270 CegarLoopResult]: At program point L175(line 175) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)) (not (<= 2 ~waterLevel~0))) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse2))) [2020-10-23 17:38:48,601 INFO L274 CegarLoopResult]: For program point L173(lines 173 179) no Hoare annotation was computed. [2020-10-23 17:38:48,601 INFO L274 CegarLoopResult]: For program point L172(lines 172 182) no Hoare annotation was computed. [2020-10-23 17:38:48,601 INFO L270 CegarLoopResult]: At program point L170(line 170) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse5 (not (<= 2 ~waterLevel~0))) (or .cse4 .cse0 .cse2 .cse5) (or .cse3 .cse1 .cse2))) [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point L170-1(line 170) no Hoare annotation was computed. [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point L168(lines 168 185) no Hoare annotation was computed. [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point L168-1(lines 160 188) no Hoare annotation was computed. [2020-10-23 17:38:48,602 INFO L270 CegarLoopResult]: At program point L166(line 166) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse3 (not (<= 2 ~waterLevel~0))) (or .cse5 .cse0 .cse2 .cse3))) [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point L166-1(line 166) no Hoare annotation was computed. [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 160 188) no Hoare annotation was computed. [2020-10-23 17:38:48,602 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 152 159) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 152 159) no Hoare annotation was computed. [2020-10-23 17:38:48,602 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 152 159) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 909 931) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 909 931) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L917(lines 917 925) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 909 931) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L917-2(lines 917 925) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L384(lines 384 388) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L448(lines 448 459) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 360 462) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L409-2(lines 409 429) no Hoare annotation was computed. [2020-10-23 17:38:48,603 INFO L274 CegarLoopResult]: For program point L430(lines 408 431) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 360 462) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L389(lines 389 405) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L449(lines 449 456) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L410(lines 409 429) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L406(lines 406 447) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 360 462) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point L425-1(line 425) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 966 975) no Hoare annotation was computed. [2020-10-23 17:38:48,604 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 966 975) no Hoare annotation was computed. [2020-10-23 17:38:48,605 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 966 975) no Hoare annotation was computed. [2020-10-23 17:38:48,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,605 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string80.base| |old(#t~string80.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= |#t~string76.base| |old(#t~string76.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string78.base| |old(#t~string78.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string76.offset| |old(#t~string76.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string80.offset| |old(#t~string80.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string78.offset| |old(#t~string78.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-23 17:38:48,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,605 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 742 749) no Hoare annotation was computed. [2020-10-23 17:38:48,605 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 742 749) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L270 CegarLoopResult]: At program point activatePumpENTRY(lines 742 749) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 .cse3 .cse4))) [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 814 832) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point L823(lines 823 827) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L277 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 814 832) the Hoare annotation is: true [2020-10-23 17:38:48,606 INFO L277 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point L823-2(lines 823 827) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 814 832) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 932 940) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 932 940) no Hoare annotation was computed. [2020-10-23 17:38:48,606 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 932 940) no Hoare annotation was computed. [2020-10-23 17:38:48,607 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 888 899) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse7) (or .cse0 .cse1 .cse6 .cse2 .cse7) (or .cse5 .cse2 .cse3 .cse4 (not (<= 2 ~waterLevel~0))))) [2020-10-23 17:38:48,607 INFO L274 CegarLoopResult]: For program point L892-1(lines 888 899) no Hoare annotation was computed. [2020-10-23 17:38:48,607 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 888 899) no Hoare annotation was computed. [2020-10-23 17:38:48,607 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,607 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,607 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,607 INFO L270 CegarLoopResult]: At program point L639(line 639) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1 .cse3) (or .cse0 .cse6 .cse4 .cse5 .cse1) (or .cse7 .cse1 .cse2 .cse3) (or .cse4 .cse7 .cse5 .cse1 .cse3) (or .cse6 .cse4 .cse7 .cse5 .cse1))) [2020-10-23 17:38:48,607 INFO L274 CegarLoopResult]: For program point L637(lines 636 655) no Hoare annotation was computed. [2020-10-23 17:38:48,608 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 633 656) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2 .cse4) (or .cse5 .cse7 .cse6 .cse1 .cse2) (or .cse6 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse7 .cse6 .cse0 .cse1 .cse2))) [2020-10-23 17:38:48,608 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 633 656) no Hoare annotation was computed. [2020-10-23 17:38:48,608 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 633 656) no Hoare annotation was computed. [2020-10-23 17:38:48,608 INFO L270 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) (let ((.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse10 .cse11)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and .cse10 (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2 .cse8) (or .cse6 .cse7 .cse0 .cse2 .cse8) (or .cse7 .cse0 .cse2 .cse4 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse7 .cse2 .cse4 .cse9)))) [2020-10-23 17:38:48,608 INFO L270 CegarLoopResult]: At program point L644(lines 644 650) the Hoare annotation is: (let ((.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse15 (= 1 ~systemActive~0)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse11 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (and .cse11 .cse16)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse12 (and .cse15 .cse7 .cse16 .cse13)) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and .cse14 .cse10 .cse11)) (.cse3 (not .cse15)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (and (<= 1 ~pumpRunning~0) .cse14 (<= 2 ~waterLevel~0) .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7 .cse8 .cse9) (or .cse1 .cse2 .cse5 .cse3 (and .cse10 .cse11) .cse4) (or .cse12 .cse2 .cse5 .cse3 .cse8 (and .cse10 .cse13)) (or .cse0 .cse12 .cse2 .cse3 .cse8) (or .cse0 .cse6 .cse3 .cse7 .cse8 .cse9)))) [2020-10-23 17:38:48,609 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-23 17:38:48,609 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-23 17:38:48,609 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-23 17:38:48,609 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-23 17:38:48,609 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-23 17:38:48,609 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-23 17:38:48,609 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-23 17:38:48,609 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-23 17:38:48,609 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-23 17:38:48,609 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-23 17:38:48,610 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 900 908) the Hoare annotation is: true [2020-10-23 17:38:48,610 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 900 908) no Hoare annotation was computed. [2020-10-23 17:38:48,610 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 900 908) no Hoare annotation was computed. [2020-10-23 17:38:48,610 INFO L270 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 864 875) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse4) (or .cse0 .cse2 .cse3 .cse6 .cse4))) [2020-10-23 17:38:48,610 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 864 875) no Hoare annotation was computed. [2020-10-23 17:38:48,610 INFO L274 CegarLoopResult]: For program point L868-1(lines 864 875) no Hoare annotation was computed. [2020-10-23 17:38:48,610 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-23 17:38:48,610 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-23 17:38:48,610 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,611 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-23 17:38:48,611 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 17:38:48,611 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 17:38:48,611 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 852 859) no Hoare annotation was computed. [2020-10-23 17:38:48,611 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 852 859) the Hoare annotation is: (let ((.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 ~pumpRunning~0))) (.cse6 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= ~pumpRunning~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse5 .cse3 .cse6) (or .cse0 .cse5 .cse2 .cse7 .cse3) (or .cse0 .cse1 .cse3 .cse4 .cse6) (or .cse0 .cse2 .cse7 .cse4 .cse3))) [2020-10-23 17:38:48,611 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 852 859) no Hoare annotation was computed. [2020-10-23 17:38:48,611 INFO L274 CegarLoopResult]: For program point L673(lines 673 681) no Hoare annotation was computed. [2020-10-23 17:38:48,611 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 665 689) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1 .cse2 .cse4) (or .cse3 .cse0 .cse1 .cse2 .cse4))) [2020-10-23 17:38:48,612 INFO L270 CegarLoopResult]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse2))) [2020-10-23 17:38:48,612 INFO L274 CegarLoopResult]: For program point L671-1(line 671) no Hoare annotation was computed. [2020-10-23 17:38:48,612 INFO L274 CegarLoopResult]: For program point L669(lines 669 686) no Hoare annotation was computed. [2020-10-23 17:38:48,612 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 665 689) no Hoare annotation was computed. [2020-10-23 17:38:48,612 INFO L270 CegarLoopResult]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-10-23 17:38:48,612 INFO L274 CegarLoopResult]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2020-10-23 17:38:48,612 INFO L270 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse2) (or .cse1 .cse0 .cse4 .cse2 .cse3))) [2020-10-23 17:38:48,612 INFO L270 CegarLoopResult]: At program point L675(line 675) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 2 ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not .cse5)) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse1 .cse4)))) [2020-10-23 17:38:48,613 INFO L274 CegarLoopResult]: For program point L880-1(lines 876 887) no Hoare annotation was computed. [2020-10-23 17:38:48,613 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 876 887) no Hoare annotation was computed. [2020-10-23 17:38:48,613 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 876 887) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~pumpRunning~0 0))) (.cse4 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (not (<= 2 |old(~waterLevel~0)|)) .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse6 .cse4))) [2020-10-23 17:38:48,613 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 1000 1007) no Hoare annotation was computed. [2020-10-23 17:38:48,613 INFO L274 CegarLoopResult]: For program point L1004(line 1004) no Hoare annotation was computed. [2020-10-23 17:38:48,613 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 1000 1007) the Hoare annotation is: true [2020-10-23 17:38:48,613 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 1000 1007) no Hoare annotation was computed. [2020-10-23 17:38:48,613 INFO L270 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-10-23 17:38:48,614 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 691 715) no Hoare annotation was computed. [2020-10-23 17:38:48,614 INFO L270 CegarLoopResult]: At program point L701(line 701) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-10-23 17:38:48,614 INFO L274 CegarLoopResult]: For program point L699(lines 699 707) no Hoare annotation was computed. [2020-10-23 17:38:48,614 INFO L270 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 691 715) the Hoare annotation is: (let ((.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse1 .cse2 .cse4) (or .cse3 .cse0 .cse1 .cse2 .cse4))) [2020-10-23 17:38:48,614 INFO L270 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse2 .cse0 .cse1 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse3))) [2020-10-23 17:38:48,614 INFO L274 CegarLoopResult]: For program point L697-1(line 697) no Hoare annotation was computed. [2020-10-23 17:38:48,614 INFO L274 CegarLoopResult]: For program point L695(lines 695 712) no Hoare annotation was computed. [2020-10-23 17:38:48,615 INFO L270 CegarLoopResult]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4 .cse2))) [2020-10-23 17:38:48,615 INFO L274 CegarLoopResult]: For program point L710-1(lines 691 715) no Hoare annotation was computed. [2020-10-23 17:38:48,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 05:38:48 BoogieIcfgContainer [2020-10-23 17:38:48,634 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 17:38:48,635 INFO L168 Benchmark]: Toolchain (without parser) took 111919.68 ms. Allocated memory was 158.3 MB in the beginning and 994.1 MB in the end (delta: 835.7 MB). Free memory was 133.1 MB in the beginning and 830.7 MB in the end (delta: -697.6 MB). Peak memory consumption was 616.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:48,635 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 86.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 17:38:48,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.99 ms. Allocated memory is still 158.3 MB. Free memory was 132.4 MB in the beginning and 110.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:48,636 INFO L168 Benchmark]: Boogie Preprocessor took 89.08 ms. Allocated memory is still 158.3 MB. Free memory was 110.0 MB in the beginning and 106.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:48,637 INFO L168 Benchmark]: RCFGBuilder took 1397.71 ms. Allocated memory is still 158.3 MB. Free memory was 106.0 MB in the beginning and 63.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:48,637 INFO L168 Benchmark]: TraceAbstraction took 109727.19 ms. Allocated memory was 158.3 MB in the beginning and 994.1 MB in the end (delta: 835.7 MB). Free memory was 63.3 MB in the beginning and 830.7 MB in the end (delta: -767.4 MB). Peak memory consumption was 546.0 MB. Max. memory is 8.0 GB. [2020-10-23 17:38:48,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 125.8 MB. Free memory is still 86.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 690.99 ms. Allocated memory is still 158.3 MB. Free memory was 132.4 MB in the beginning and 110.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.08 ms. Allocated memory is still 158.3 MB. Free memory was 110.0 MB in the beginning and 106.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1397.71 ms. Allocated memory is still 158.3 MB. Free memory was 106.0 MB in the beginning and 63.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 109727.19 ms. Allocated memory was 158.3 MB in the beginning and 994.1 MB in the end (delta: 835.7 MB). Free memory was 63.3 MB in the beginning and 830.7 MB in the end (delta: -767.4 MB). Peak memory consumption was 546.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 494]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 533]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 540]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: (((((((!(\old(systemActive) == 1) || ((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || ((((methaneLevelCritical == 0 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || !(\old(waterLevel) == 1)) || ((((1 == systemActive && pumpRunning == 0) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && methAndRunningLastTime == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 1 == systemActive) && 2 <= waterLevel) && 1 <= methaneLevelCritical) && splverifierCounter == 0) - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 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 44 procedures, 266 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 53.2s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 42.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 56.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1846 SDtfs, 2999 SDslu, 2420 SDs, 0 SdLazy, 7255 SolverSat, 2091 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 934 GetRequests, 735 SyntacticMatches, 6 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 17.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1270occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 942 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2297 PreInvPairs, 2402 NumberOfFragments, 3397 HoareAnnotationTreeSize, 2297 FomulaSimplifications, 471712914 FormulaSimplificationTreeSizeReduction, 10.1s HoareSimplificationTime, 70 FomulaSimplificationsInter, 2182350 FormulaSimplificationTreeSizeReductionInter, 46.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 1485 NumberOfCodeBlocks, 1485 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1471 ConstructedInterpolants, 0 QuantifiedInterpolants, 546198 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2025 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 200/212 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...