/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:12:12,666 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:12:12,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:12:12,715 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:12:12,716 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:12:12,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:12:12,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:12:12,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:12:12,724 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:12:12,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:12:12,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:12:12,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:12:12,728 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:12:12,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:12:12,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:12:12,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:12:12,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:12:12,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:12:12,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:12:12,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:12:12,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:12:12,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:12:12,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:12:12,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:12:12,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:12:12,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:12:12,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:12:12,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:12:12,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:12:12,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:12:12,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:12:12,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:12:12,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:12:12,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:12:12,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:12:12,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:12:12,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:12:12,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:12:12,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:12:12,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:12:12,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:12:12,771 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 20:12:12,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:12:12,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:12:12,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:12:12,788 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:12:12,788 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:12:12,788 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:12:12,789 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:12:12,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:12:12,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:12:12,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:12:12,790 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:12:12,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:12:12,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:12:12,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:12:12,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:12:12,791 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:12:12,791 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:12:12,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:12:12,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:12:12,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:12:12,792 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:12:12,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:12:12,792 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:12:13,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:12:13,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:12:13,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:12:13,203 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:12:13,204 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:12:13,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-10-23 20:12:13,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff341be9/a0cf8f4e632e4d4ebcf37f6ed62c3b41/FLAGff24d9bd3 [2020-10-23 20:12:14,064 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:12:14,064 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product49.cil.c [2020-10-23 20:12:14,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff341be9/a0cf8f4e632e4d4ebcf37f6ed62c3b41/FLAGff24d9bd3 [2020-10-23 20:12:14,362 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fff341be9/a0cf8f4e632e4d4ebcf37f6ed62c3b41 [2020-10-23 20:12:14,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:12:14,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:12:14,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:12:14,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:12:14,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:12:14,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:12:14" (1/1) ... [2020-10-23 20:12:14,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15dcdcff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:14, skipping insertion in model container [2020-10-23 20:12:14,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:12:14" (1/1) ... [2020-10-23 20:12:14,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:12:14,472 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:12:14,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:12:14,873 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:12:15,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:12:15,079 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:12:15,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15 WrapperNode [2020-10-23 20:12:15,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:12:15,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:12:15,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:12:15,082 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:12:15,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,170 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (1/1) ... [2020-10-23 20:12:15,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:12:15,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:12:15,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:12:15,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:12:15,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (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 20:12:15,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:12:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:12:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:12:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:12:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:12:15,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:12:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:12:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:12:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:12:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:12:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:12:15,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:12:15,334 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:12:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:12:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 20:12:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:12:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:12:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:12:15,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:12:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:12:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:12:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 20:12:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 20:12:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:12:15,336 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:12:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:12:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:12:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:12:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:12:15,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:12:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:12:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:12:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:12:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:12:15,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:12:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:12:15,338 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:12:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:12:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:12:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:12:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:12:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:12:15,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:12:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:12:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:12:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:12:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:12:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:12:15,340 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:12:15,341 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:12:15,342 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 20:12:15,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:12:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:12:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:12:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:12:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:12:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:12:15,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:12:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:12:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:12:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:12:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:12:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:12:15,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:12:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:12:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:12:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:12:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:12:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:12:15,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:12:15,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:12:16,803 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:12:16,804 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:12:16,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:12:16 BoogieIcfgContainer [2020-10-23 20:12:16,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:12:16,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:12:16,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:12:16,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:12:16,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:12:14" (1/3) ... [2020-10-23 20:12:16,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733e1c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:12:16, skipping insertion in model container [2020-10-23 20:12:16,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:12:15" (2/3) ... [2020-10-23 20:12:16,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@733e1c32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:12:16, skipping insertion in model container [2020-10-23 20:12:16,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:12:16" (3/3) ... [2020-10-23 20:12:16,819 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49.cil.c [2020-10-23 20:12:16,834 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:12:16,841 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:12:16,856 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:12:16,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:12:16,886 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:12:16,886 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:12:16,886 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:12:16,886 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:12:16,886 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:12:16,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:12:16,887 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:12:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2020-10-23 20:12:16,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-23 20:12:16,930 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:16,931 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:16,932 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 20:12:16,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:16,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1628727139, now seen corresponding path program 1 times [2020-10-23 20:12:16,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:16,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808337869] [2020-10-23 20:12:16,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:17,030 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:12:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,840 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:12:17,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:12:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:12:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:12:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:12:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:12:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:12:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:12:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:18,037 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 20:12:18,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808337869] [2020-10-23 20:12:18,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:12:18,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 20:12:18,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677588222] [2020-10-23 20:12:18,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 20:12:18,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:12:18,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 20:12:18,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:12:18,066 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 3 states. [2020-10-23 20:12:19,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:12:19,851 INFO L93 Difference]: Finished difference Result 499 states and 591 transitions. [2020-10-23 20:12:19,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 20:12:19,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-23 20:12:19,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:12:19,873 INFO L225 Difference]: With dead ends: 499 [2020-10-23 20:12:19,873 INFO L226 Difference]: Without dead ends: 308 [2020-10-23 20:12:19,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 20:12:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-10-23 20:12:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 267. [2020-10-23 20:12:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2020-10-23 20:12:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 289 transitions. [2020-10-23 20:12:20,064 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 289 transitions. Word has length 148 [2020-10-23 20:12:20,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:12:20,066 INFO L481 AbstractCegarLoop]: Abstraction has 267 states and 289 transitions. [2020-10-23 20:12:20,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 20:12:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 289 transitions. [2020-10-23 20:12:20,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-23 20:12:20,071 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:20,071 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:20,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:12:20,072 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 20:12:20,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:20,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2096190314, now seen corresponding path program 1 times [2020-10-23 20:12:20,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:20,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [222319214] [2020-10-23 20:12:20,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:20,078 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:12:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,605 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:12:20,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:12:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:12:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:12:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:12:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:12:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:12:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 20:12:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:20,704 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 20:12:20,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [222319214] [2020-10-23 20:12:20,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:12:20,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:12:20,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240405717] [2020-10-23 20:12:20,707 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:12:20,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:12:20,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:12:20,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:12:20,708 INFO L87 Difference]: Start difference. First operand 267 states and 289 transitions. Second operand 4 states. [2020-10-23 20:12:21,522 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:12:22,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:12:22,824 INFO L93 Difference]: Finished difference Result 413 states and 462 transitions. [2020-10-23 20:12:22,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 20:12:22,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-23 20:12:22,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:12:22,830 INFO L225 Difference]: With dead ends: 413 [2020-10-23 20:12:22,830 INFO L226 Difference]: Without dead ends: 291 [2020-10-23 20:12:22,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:12:22,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-23 20:12:22,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 257. [2020-10-23 20:12:22,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-23 20:12:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 276 transitions. [2020-10-23 20:12:22,978 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 276 transitions. Word has length 149 [2020-10-23 20:12:22,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:12:22,981 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 276 transitions. [2020-10-23 20:12:22,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:12:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 276 transitions. [2020-10-23 20:12:22,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 20:12:22,985 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:22,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:22,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:12:22,987 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 20:12:22,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:22,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1978856873, now seen corresponding path program 1 times [2020-10-23 20:12:22,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:22,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2107173283] [2020-10-23 20:12:22,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:22,994 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:12:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,612 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:12:23,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:12:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:12:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:12:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:12:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:12:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-23 20:12:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-23 20:12:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:23,837 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 20:12:23,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2107173283] [2020-10-23 20:12:23,838 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:12:23,838 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 20:12:23,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356496603] [2020-10-23 20:12:23,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 20:12:23,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:12:23,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 20:12:23,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-23 20:12:23,840 INFO L87 Difference]: Start difference. First operand 257 states and 276 transitions. Second operand 9 states. [2020-10-23 20:12:24,572 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:12:25,035 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:12:25,441 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:12:25,835 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:26,238 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:26,608 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:28,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:12:28,504 INFO L93 Difference]: Finished difference Result 433 states and 487 transitions. [2020-10-23 20:12:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:12:28,513 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-23 20:12:28,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:12:28,516 INFO L225 Difference]: With dead ends: 433 [2020-10-23 20:12:28,516 INFO L226 Difference]: Without dead ends: 291 [2020-10-23 20:12:28,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:12:28,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-23 20:12:28,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 257. [2020-10-23 20:12:28,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-23 20:12:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 275 transitions. [2020-10-23 20:12:28,645 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 275 transitions. Word has length 158 [2020-10-23 20:12:28,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:12:28,646 INFO L481 AbstractCegarLoop]: Abstraction has 257 states and 275 transitions. [2020-10-23 20:12:28,646 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 20:12:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 275 transitions. [2020-10-23 20:12:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-23 20:12:28,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:28,649 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:28,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:12:28,650 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 20:12:28,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:28,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1450196783, now seen corresponding path program 1 times [2020-10-23 20:12:28,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:28,651 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1127344872] [2020-10-23 20:12:28,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:28,654 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:12:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,070 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:12:29,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:12:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:12:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:12:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:12:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:12:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:12:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:12:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:12:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 20:12:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:12:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:29,233 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 20:12:29,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1127344872] [2020-10-23 20:12:29,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:12:29,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 20:12:29,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716421578] [2020-10-23 20:12:29,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 20:12:29,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:12:29,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 20:12:29,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 20:12:29,236 INFO L87 Difference]: Start difference. First operand 257 states and 275 transitions. Second operand 6 states. [2020-10-23 20:12:29,873 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:12:31,695 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:12:32,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:12:32,694 INFO L93 Difference]: Finished difference Result 566 states and 644 transitions. [2020-10-23 20:12:32,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 20:12:32,696 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2020-10-23 20:12:32,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:12:32,701 INFO L225 Difference]: With dead ends: 566 [2020-10-23 20:12:32,701 INFO L226 Difference]: Without dead ends: 424 [2020-10-23 20:12:32,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:12:32,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2020-10-23 20:12:32,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 363. [2020-10-23 20:12:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-23 20:12:32,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 390 transitions. [2020-10-23 20:12:32,840 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 390 transitions. Word has length 171 [2020-10-23 20:12:32,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:12:32,841 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 390 transitions. [2020-10-23 20:12:32,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 20:12:32,841 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 390 transitions. [2020-10-23 20:12:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-23 20:12:32,844 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:32,844 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:12:32,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:12:32,845 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 20:12:32,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:32,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1978802215, now seen corresponding path program 1 times [2020-10-23 20:12:32,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:32,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889881886] [2020-10-23 20:12:32,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:32,850 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:12:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,326 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 20:12:33,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:12:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 20:12:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 20:12:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 20:12:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 20:12:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-23 20:12:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:12:33,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:12:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:12:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:12:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-23 20:12:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-23 20:12:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:12:33,650 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 20:12:33,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889881886] [2020-10-23 20:12:33,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:12:33,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:12:33,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026901223] [2020-10-23 20:12:33,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:12:33,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:12:33,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:12:33,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:12:33,654 INFO L87 Difference]: Start difference. First operand 363 states and 390 transitions. Second operand 14 states. [2020-10-23 20:12:34,332 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:12:34,841 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:12:35,233 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:12:35,640 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:36,034 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:36,419 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:37,281 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:12:38,869 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:39,267 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:39,696 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:40,091 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:12:40,472 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:12:40,862 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:12:41,248 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:41,648 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:42,074 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:12:42,500 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:12:44,695 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 20:12:45,108 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:45,587 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 20:12:46,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:12:46,485 INFO L93 Difference]: Finished difference Result 1065 states and 1267 transitions. [2020-10-23 20:12:46,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-23 20:12:46,486 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 195 [2020-10-23 20:12:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:12:46,493 INFO L225 Difference]: With dead ends: 1065 [2020-10-23 20:12:46,494 INFO L226 Difference]: Without dead ends: 817 [2020-10-23 20:12:46,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-23 20:12:46,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-10-23 20:12:46,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 720. [2020-10-23 20:12:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2020-10-23 20:12:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 801 transitions. [2020-10-23 20:12:46,807 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 801 transitions. Word has length 195 [2020-10-23 20:12:46,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:12:46,808 INFO L481 AbstractCegarLoop]: Abstraction has 720 states and 801 transitions. [2020-10-23 20:12:46,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:12:46,808 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 801 transitions. [2020-10-23 20:12:46,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-23 20:12:46,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:12:46,815 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, 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, 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 20:12:46,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:12:46,816 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 20:12:46,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:12:46,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1680781392, now seen corresponding path program 1 times [2020-10-23 20:12:46,817 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:12:46,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [26734807] [2020-10-23 20:12:46,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:12:47,116 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-23 20:12:47,272 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 20:12:47,562 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-23 20:12:47,669 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-23 20:12:47,936 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-23 20:12:48,285 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 69 [2020-10-23 20:12:48,634 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-23 20:12:49,003 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-23 20:12:49,111 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-23 20:12:49,384 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-23 20:12:49,491 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-23 20:12:49,740 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-23 20:12:50,104 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2020-10-23 20:12:50,464 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 70 [2020-10-23 20:12:50,810 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-10-23 20:12:51,159 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-10-23 20:12:51,535 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 69 [2020-10-23 20:12:51,891 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2020-10-23 20:12:55,174 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:12:55,197 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:12:58,062 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:12:58,072 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:00,959 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:13:00,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:03,808 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:03,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:06,655 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:06,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:09,413 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:13:09,419 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:12,171 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:13:12,178 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:13,904 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:15,454 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:15,461 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:18,249 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:18,255 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:19,769 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:19,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:22,477 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:13:22,483 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:25,211 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:13:25,219 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:26,607 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:26,613 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:29,281 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-23 20:13:29,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:32,085 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-10-23 20:13:32,090 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:32,095 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:13:34,789 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:13:34,793 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:36,421 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:13:36,426 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:39,147 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:13:39,151 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:41,811 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:13:41,817 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:44,514 WARN L193 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 211 [2020-10-23 20:13:44,519 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:46,098 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:13:46,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:48,761 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-23 20:13:48,767 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:51,571 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:13:51,579 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:54,314 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:13:54,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:13:57,003 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:13:59,758 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:13:59,763 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:02,494 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:14:02,497 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:05,188 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 209 [2020-10-23 20:14:05,192 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:07,977 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 211 [2020-10-23 20:14:07,981 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:09,897 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-23 20:14:09,902 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:12,649 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-10-23 20:14:12,653 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:12,657 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:14:15,418 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:15,421 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:17,350 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:17,354 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:18,946 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:18,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:21,675 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:21,679 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:24,485 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:24,489 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:27,275 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:27,278 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:30,081 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:30,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:32,823 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:32,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:34,668 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:34,671 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:37,418 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:37,422 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:40,197 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:40,200 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:42,955 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:45,690 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:45,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:48,131 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:48,134 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:50,584 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-23 20:14:50,588 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:14:53,351 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-23 20:14:53,357 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:14:56,113 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-23 20:14:58,925 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-23 20:14:58,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:01,615 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:15:01,619 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:04,389 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-10-23 20:15:04,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:06,523 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:15:06,526 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:08,634 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:15:08,637 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:11,440 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-23 20:15:11,443 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:14,216 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-10-23 20:15:14,220 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:16,992 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-10-23 20:15:16,995 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:19,834 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:15:22,624 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-10-23 20:15:22,628 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:25,041 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:15:25,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:27,828 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-10-23 20:15:27,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:30,627 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-10-23 20:15:30,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:33,471 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-10-23 20:15:33,474 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:36,348 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 207 [2020-10-23 20:15:36,351 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:36,354 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:15:36,885 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:37,388 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:37,919 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:38,459 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:38,996 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:39,497 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:40,030 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:40,533 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:41,036 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:41,553 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:42,056 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:42,593 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:43,139 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:43,658 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:44,194 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:15:44,710 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:15:44,712 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:15:47,594 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:15:47,597 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:50,525 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:15:50,529 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:53,442 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:15:53,445 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:56,356 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:15:56,360 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:15:59,334 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:16:02,315 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:16:02,319 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:05,182 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:16:08,139 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:16:11,041 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:16:11,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:13,984 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:16:13,987 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:16,969 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:16:16,974 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:19,856 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:16:22,808 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:16:25,832 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:16:25,836 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:28,869 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:16:28,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:31,777 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:16:31,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:31,784 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:16:32,301 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:32,839 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:33,361 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:33,883 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:34,437 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:34,956 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:35,508 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:36,070 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:36,634 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:37,198 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:37,750 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:38,271 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:38,797 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:39,366 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:39,886 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 145 [2020-10-23 20:16:40,449 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 152 [2020-10-23 20:16:40,452 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:16:43,345 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:16:43,348 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:46,282 WARN L193 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:16:46,287 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:49,235 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:16:49,239 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:52,193 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:16:52,205 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:55,214 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:16:55,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:16:58,240 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:16:58,244 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:01,336 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:17:01,339 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:04,305 WARN L193 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:17:04,309 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:07,308 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:17:07,313 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:10,436 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:17:13,542 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:17:13,546 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:16,555 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:17:16,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:19,670 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:17:19,673 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:22,690 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-23 20:17:22,694 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:25,779 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:17:28,963 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 218 DAG size of output: 215 [2020-10-23 20:17:28,970 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:17:32,037 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:17:32,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:35,180 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:17:35,183 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:38,387 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:17:38,391 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:41,571 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:17:41,576 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:44,651 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:17:44,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:47,651 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:17:47,653 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:50,722 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:17:50,726 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:53,805 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:17:53,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:56,909 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:17:56,913 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:17:59,924 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:17:59,927 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:03,041 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:18:03,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:06,042 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:18:06,047 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:09,151 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:18:09,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:12,234 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-10-23 20:18:12,238 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:15,263 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:18:15,265 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:18,320 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-10-23 20:18:18,322 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:18,326 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:18:21,300 WARN L193 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:21,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:24,436 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:18:24,440 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:27,488 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:27,492 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:30,554 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:18:30,557 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:33,622 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:18:33,626 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:36,613 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:36,616 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:39,580 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:39,584 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:42,636 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:18:42,641 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:45,685 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:18:45,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:48,730 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:18:48,733 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:51,707 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:51,710 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:54,683 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:54,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:18:57,652 WARN L193 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:18:57,656 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:19:00,728 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:19:00,731 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:19:03,784 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 218 [2020-10-23 20:19:03,787 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:19:06,816 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2020-10-23 20:19:06,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-23 20:19:06,823 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:07,409 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-23 20:19:07,980 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-23 20:19:08,517 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2020-10-23 20:19:09,053 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:09,622 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-23 20:19:10,197 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-23 20:19:10,739 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:11,289 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:11,830 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2020-10-23 20:19:12,407 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-10-23 20:19:12,986 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-23 20:19:13,544 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:14,099 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2020-10-23 20:19:14,661 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2020-10-23 20:19:15,236 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 148 [2020-10-23 20:19:15,813 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-10-23 20:19:15,815 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:16,359 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:16,946 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:17,531 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:18,075 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:18,656 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:19,246 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:19,793 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:20,391 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:20,983 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:21,535 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:22,090 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:22,643 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:23,223 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:23,778 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 141 [2020-10-23 20:19:24,324 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 142 [2020-10-23 20:19:24,911 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:24,913 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:25,458 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:19:26,046 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:26,605 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:19:27,197 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:27,743 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:19:28,299 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:19:28,856 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:19:29,407 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:19:30,003 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:30,550 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 141 [2020-10-23 20:19:31,149 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:31,734 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:32,336 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:32,928 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 148 [2020-10-23 20:19:33,529 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 149 [2020-10-23 20:19:34,101 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 142 [2020-10-23 20:19:34,104 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:34,676 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:35,276 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:35,885 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:36,443 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:37,051 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:37,651 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:38,217 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:38,787 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:39,359 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:39,960 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:40,525 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:41,095 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:41,657 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 144 [2020-10-23 20:19:42,245 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:42,828 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:43,434 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 151 [2020-10-23 20:19:43,438 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:19:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:19:44,333 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:19:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:19:46,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:19:46,330 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:19:46,330 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:19:46,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:19:46,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:19:46 BoogieIcfgContainer [2020-10-23 20:19:46,380 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:19:46,381 INFO L168 Benchmark]: Toolchain (without parser) took 452005.99 ms. Allocated memory was 164.6 MB in the beginning and 553.6 MB in the end (delta: 389.0 MB). Free memory was 139.7 MB in the beginning and 457.3 MB in the end (delta: -317.6 MB). Peak memory consumption was 358.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:46,381 INFO L168 Benchmark]: CDTParser took 0.92 ms. Allocated memory is still 164.6 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:19:46,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.63 ms. Allocated memory is still 164.6 MB. Free memory was 139.1 MB in the beginning and 117.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:46,384 INFO L168 Benchmark]: Boogie Preprocessor took 125.03 ms. Allocated memory is still 164.6 MB. Free memory was 117.9 MB in the beginning and 114.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:46,385 INFO L168 Benchmark]: RCFGBuilder took 1589.31 ms. Allocated memory was 164.6 MB in the beginning and 202.4 MB in the end (delta: 37.7 MB). Free memory was 114.0 MB in the beginning and 136.7 MB in the end (delta: -22.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:46,385 INFO L168 Benchmark]: TraceAbstraction took 449570.50 ms. Allocated memory was 202.4 MB in the beginning and 553.6 MB in the end (delta: 351.3 MB). Free memory was 136.7 MB in the beginning and 457.3 MB in the end (delta: -320.6 MB). Peak memory consumption was 316.4 MB. Max. memory is 8.0 GB. [2020-10-23 20:19:46,386 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92 ms. Allocated memory is still 164.6 MB. Free memory is still 138.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 691.63 ms. Allocated memory is still 164.6 MB. Free memory was 139.1 MB in the beginning and 117.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 125.03 ms. Allocated memory is still 164.6 MB. Free memory was 117.9 MB in the beginning and 114.1 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1589.31 ms. Allocated memory was 164.6 MB in the beginning and 202.4 MB in the end (delta: 37.7 MB). Free memory was 114.0 MB in the beginning and 136.7 MB in the end (delta: -22.7 MB). Peak memory consumption was 30.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 449570.50 ms. Allocated memory was 202.4 MB in the beginning and 553.6 MB in the end (delta: 351.3 MB). Free memory was 136.7 MB in the beginning and 457.3 MB in the end (delta: -320.6 MB). Peak memory consumption was 316.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L59] int waterLevel = 1; [L60] int methaneLevelCritical = 0; [L162] int cleanupTimeShifts = 4; [L267] int pumpRunning = 0; [L268] int systemActive = 1; [L760] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L241] int retValue_acc ; [L242] int tmp ; [L246] FCALL select_helpers() [L247] FCALL select_features() [L248] CALL, EXPR valid_product() [L556] int retValue_acc ; [L559] retValue_acc = 1 [L560] return (retValue_acc); [L248] RET, EXPR valid_product() [L248] tmp = valid_product() [L250] COND TRUE \read(tmp) [L252] FCALL setup() [L253] CALL runTest() [L232] CALL test() [L466] int splverifierCounter ; [L467] int tmp ; [L468] int tmp___0 ; [L469] int tmp___1 ; [L470] int tmp___2 ; [L473] splverifierCounter = 0 [L475] COND TRUE 1 [L477] COND TRUE splverifierCounter < 4 [L483] tmp = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp) [L487] CALL waterRise() [L77] COND TRUE waterLevel < 2 [L78] waterLevel = waterLevel + 1 [L487] RET waterRise() [L493] tmp___0 = __VERIFIER_nondet_int() [L495] COND FALSE !(\read(tmp___0)) [L503] tmp___2 = __VERIFIER_nondet_int() [L505] COND TRUE \read(tmp___2) [L518] CALL timeShift() [L275] COND FALSE !(\read(pumpRunning)) [L282] COND TRUE \read(systemActive) [L284] CALL processEnvironment() [L330] int tmp ; [L333] COND FALSE !(\read(pumpRunning)) [L348] CALL processEnvironment__wrappee__highWaterSensor() [L304] int tmp ; [L307] COND TRUE ! pumpRunning [L309] CALL, EXPR isHighWaterLevel() [L427] int retValue_acc ; [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR isHighWaterSensorDry() [L139] int retValue_acc ; [L142] COND TRUE waterLevel < 2 [L143] retValue_acc = 1 [L144] return (retValue_acc); [L433] RET, EXPR isHighWaterSensorDry() [L433] tmp = isHighWaterSensorDry() [L435] COND TRUE \read(tmp) [L436] tmp___0 = 0 [L440] retValue_acc = tmp___0 [L441] return (retValue_acc); [L309] RET, EXPR isHighWaterLevel() [L309] tmp = isHighWaterLevel() [L311] COND FALSE !(\read(tmp)) [L317] FCALL processEnvironment__wrappee__base() [L348] RET processEnvironment__wrappee__highWaterSensor() [L284] RET processEnvironment() [L290] CALL __utac_acc__Specification4_spec__1() [L566] int tmp ; [L567] int tmp___0 ; [L571] CALL, EXPR getWaterLevel() [L130] int retValue_acc ; [L133] retValue_acc = waterLevel [L134] return (retValue_acc); [L571] RET, EXPR getWaterLevel() [L571] tmp = getWaterLevel() [L573] COND FALSE !(tmp == 0) [L290] RET __utac_acc__Specification4_spec__1() [L518] RET timeShift() [L475] COND TRUE 1 [L477] COND TRUE splverifierCounter < 4 [L483] tmp = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp) [L487] CALL waterRise() [L77] COND TRUE waterLevel < 2 [L78] waterLevel = waterLevel + 1 [L487] RET waterRise() [L493] tmp___0 = __VERIFIER_nondet_int() [L495] COND FALSE !(\read(tmp___0)) [L503] tmp___2 = __VERIFIER_nondet_int() [L505] COND TRUE \read(tmp___2) [L518] CALL timeShift() [L275] COND FALSE !(\read(pumpRunning)) [L282] COND TRUE \read(systemActive) [L284] CALL processEnvironment() [L330] int tmp ; [L333] COND FALSE !(\read(pumpRunning)) [L348] CALL processEnvironment__wrappee__highWaterSensor() [L304] int tmp ; [L307] COND TRUE ! pumpRunning [L309] CALL, EXPR isHighWaterLevel() [L427] int retValue_acc ; [L428] int tmp ; [L429] int tmp___0 ; [L433] CALL, EXPR isHighWaterSensorDry() [L139] int retValue_acc ; [L142] COND TRUE waterLevel < 2 [L143] retValue_acc = 1 [L144] return (retValue_acc); [L433] RET, EXPR isHighWaterSensorDry() [L433] tmp = isHighWaterSensorDry() [L435] COND TRUE \read(tmp) [L436] tmp___0 = 0 [L440] retValue_acc = tmp___0 [L441] return (retValue_acc); [L309] RET, EXPR isHighWaterLevel() [L309] tmp = isHighWaterLevel() [L311] COND FALSE !(\read(tmp)) [L317] FCALL processEnvironment__wrappee__base() [L348] RET processEnvironment__wrappee__highWaterSensor() [L284] RET processEnvironment() [L290] CALL __utac_acc__Specification4_spec__1() [L566] int tmp ; [L567] int tmp___0 ; [L571] CALL, EXPR getWaterLevel() [L130] int retValue_acc ; [L133] retValue_acc = waterLevel [L134] return (retValue_acc); [L571] RET, EXPR getWaterLevel() [L571] tmp = getWaterLevel() [L573] COND TRUE tmp == 0 [L575] CALL, EXPR isPumpRunning() [L382] int retValue_acc ; [L385] retValue_acc = pumpRunning [L386] return (retValue_acc); [L575] RET, EXPR isPumpRunning() [L575] tmp___0 = isPumpRunning() [L577] COND TRUE \read(tmp___0) [L579] CALL __automaton_fail() [L46] CALL reach_error() [L3] __assert_fail("0", "minepump_spec4_product49.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 650 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 449.4s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 24.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1284 SDtfs, 1863 SDslu, 2083 SDs, 0 SdLazy, 4594 SolverSat, 607 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 13.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 5 MinimizatonAttempts, 267 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...