/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_spec5_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 20:22:15,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 20:22:15,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 20:22:15,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 20:22:15,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 20:22:15,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 20:22:15,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 20:22:15,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 20:22:15,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 20:22:15,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 20:22:15,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 20:22:15,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 20:22:15,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 20:22:15,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 20:22:15,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 20:22:15,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 20:22:15,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 20:22:15,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 20:22:15,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 20:22:15,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 20:22:15,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 20:22:15,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 20:22:15,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 20:22:15,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 20:22:15,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 20:22:15,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 20:22:15,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 20:22:15,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 20:22:15,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 20:22:15,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 20:22:15,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 20:22:15,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 20:22:15,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 20:22:15,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 20:22:15,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 20:22:15,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 20:22:15,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 20:22:15,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 20:22:15,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 20:22:15,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 20:22:15,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 20:22:15,125 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 20:22:15,140 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 20:22:15,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 20:22:15,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 20:22:15,145 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 20:22:15,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 20:22:15,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 20:22:15,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 20:22:15,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 20:22:15,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 20:22:15,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 20:22:15,147 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 20:22:15,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 20:22:15,147 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 20:22:15,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 20:22:15,148 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 20:22:15,148 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 20:22:15,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 20:22:15,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 20:22:15,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 20:22:15,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 20:22:15,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 20:22:15,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 20:22:15,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 20:22:15,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 20:22:15,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 20:22:15,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 20:22:15,565 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 20:22:15,566 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 20:22:15,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-10-23 20:22:15,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcf43a36/1833a893ed23445fb43348f1de6b5347/FLAG1df573241 [2020-10-23 20:22:16,313 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 20:22:16,314 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product58.cil.c [2020-10-23 20:22:16,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcf43a36/1833a893ed23445fb43348f1de6b5347/FLAG1df573241 [2020-10-23 20:22:16,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcf43a36/1833a893ed23445fb43348f1de6b5347 [2020-10-23 20:22:16,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 20:22:16,585 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 20:22:16,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 20:22:16,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 20:22:16,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 20:22:16,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:22:16" (1/1) ... [2020-10-23 20:22:16,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce8fa9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:16, skipping insertion in model container [2020-10-23 20:22:16,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:22:16" (1/1) ... [2020-10-23 20:22:16,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 20:22:16,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 20:22:17,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:22:17,019 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 20:22:17,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 20:22:17,184 INFO L208 MainTranslator]: Completed translation [2020-10-23 20:22:17,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17 WrapperNode [2020-10-23 20:22:17,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 20:22:17,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 20:22:17,186 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 20:22:17,186 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 20:22:17,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (1/1) ... [2020-10-23 20:22:17,276 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 20:22:17,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 20:22:17,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 20:22:17,277 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 20:22:17,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (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 20:22:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 20:22:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 20:22:17,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 20:22:17,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 20:22:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-23 20:22:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 20:22:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-23 20:22:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-23 20:22:17,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-23 20:22:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 20:22:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 20:22:17,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 20:22:17,349 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 20:22:17,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 20:22:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 20:22:17,351 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 20:22:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 20:22:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 20:22:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 20:22:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 20:22:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 20:22:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 20:22:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 20:22:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 20:22:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 20:22:17,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 20:22:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 20:22:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 20:22:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 20:22:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 20:22:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 20:22:17,360 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 20:22:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-23 20:22:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 20:22:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 20:22:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 20:22:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 20:22:17,361 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 20:22:17,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 20:22:17,362 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 20:22:17,363 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 20:22:17,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 20:22:17,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 20:22:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 20:22:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 20:22:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 20:22:17,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 20:22:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 20:22:17,367 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 20:22:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 20:22:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 20:22:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 20:22:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 20:22:17,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 20:22:17,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 20:22:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 20:22:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 20:22:17,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 20:22:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 20:22:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 20:22:17,371 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 20:22:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 20:22:17,372 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 20:22:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-23 20:22:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-23 20:22:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 20:22:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 20:22:17,373 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 20:22:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 20:22:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 20:22:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 20:22:17,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 20:22:18,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 20:22:18,568 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 20:22:18,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:22:18 BoogieIcfgContainer [2020-10-23 20:22:18,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 20:22:18,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 20:22:18,573 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 20:22:18,577 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 20:22:18,577 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:22:16" (1/3) ... [2020-10-23 20:22:18,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e2ac59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:22:18, skipping insertion in model container [2020-10-23 20:22:18,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:22:17" (2/3) ... [2020-10-23 20:22:18,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42e2ac59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:22:18, skipping insertion in model container [2020-10-23 20:22:18,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:22:18" (3/3) ... [2020-10-23 20:22:18,580 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2020-10-23 20:22:18,593 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 20:22:18,598 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 20:22:18,612 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 20:22:18,637 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 20:22:18,637 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 20:22:18,637 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 20:22:18,637 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 20:22:18,638 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 20:22:18,638 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 20:22:18,638 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 20:22:18,638 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 20:22:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2020-10-23 20:22:18,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-23 20:22:18,684 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:18,685 INFO L422 BasicCegarLoop]: trace histogram [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, 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 20:22:18,686 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 20:22:18,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:18,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1080584532, now seen corresponding path program 1 times [2020-10-23 20:22:18,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:18,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793492852] [2020-10-23 20:22:18,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:18,786 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,593 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-23 20:22:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-23 20:22:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-23 20:22:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:19,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793492852] [2020-10-23 20:22:19,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:19,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 20:22:19,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310450699] [2020-10-23 20:22:19,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 20:22:19,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:19,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 20:22:19,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:22:19,846 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2020-10-23 20:22:21,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:21,581 INFO L93 Difference]: Finished difference Result 573 states and 664 transitions. [2020-10-23 20:22:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-23 20:22:21,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-23 20:22:21,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:21,601 INFO L225 Difference]: With dead ends: 573 [2020-10-23 20:22:21,602 INFO L226 Difference]: Without dead ends: 354 [2020-10-23 20:22:21,615 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-23 20:22:21,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2020-10-23 20:22:21,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 306. [2020-10-23 20:22:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-10-23 20:22:21,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 331 transitions. [2020-10-23 20:22:21,831 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 331 transitions. Word has length 166 [2020-10-23 20:22:21,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:21,832 INFO L481 AbstractCegarLoop]: Abstraction has 306 states and 331 transitions. [2020-10-23 20:22:21,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 20:22:21,833 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 331 transitions. [2020-10-23 20:22:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-23 20:22:21,837 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:21,838 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 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 20:22:21,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 20:22:21,838 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 20:22:21,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:21,839 INFO L82 PathProgramCache]: Analyzing trace with hash 725132887, now seen corresponding path program 1 times [2020-10-23 20:22:21,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:21,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562230935] [2020-10-23 20:22:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:21,844 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,308 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:22,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:22,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:22:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-23 20:22:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:22,454 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:22,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562230935] [2020-10-23 20:22:22,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:22,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-23 20:22:22,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082771780] [2020-10-23 20:22:22,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 20:22:22,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:22,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 20:22:22,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 20:22:22,458 INFO L87 Difference]: Start difference. First operand 306 states and 331 transitions. Second operand 5 states. [2020-10-23 20:22:23,312 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:24,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:24,770 INFO L93 Difference]: Finished difference Result 495 states and 552 transitions. [2020-10-23 20:22:24,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 20:22:24,772 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-23 20:22:24,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:24,777 INFO L225 Difference]: With dead ends: 495 [2020-10-23 20:22:24,777 INFO L226 Difference]: Without dead ends: 343 [2020-10-23 20:22:24,780 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 20:22:24,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-23 20:22:24,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 296. [2020-10-23 20:22:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-23 20:22:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 318 transitions. [2020-10-23 20:22:24,918 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 318 transitions. Word has length 167 [2020-10-23 20:22:24,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:24,920 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 318 transitions. [2020-10-23 20:22:24,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 20:22:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 318 transitions. [2020-10-23 20:22:24,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-23 20:22:24,927 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:24,928 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:24,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 20:22:24,929 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 20:22:24,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:24,929 INFO L82 PathProgramCache]: Analyzing trace with hash -544684150, now seen corresponding path program 1 times [2020-10-23 20:22:24,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:24,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1153765603] [2020-10-23 20:22:24,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:24,934 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,546 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:25,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-23 20:22:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-23 20:22:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:25,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1153765603] [2020-10-23 20:22:25,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:25,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 20:22:25,775 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119180215] [2020-10-23 20:22:25,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 20:22:25,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:25,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 20:22:25,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:22:25,779 INFO L87 Difference]: Start difference. First operand 296 states and 318 transitions. Second operand 11 states. [2020-10-23 20:22:26,408 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:26,881 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:27,289 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-23 20:22:27,709 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:28,108 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:22:28,486 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:30,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:30,578 INFO L93 Difference]: Finished difference Result 542 states and 617 transitions. [2020-10-23 20:22:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 20:22:30,580 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-10-23 20:22:30,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:30,584 INFO L225 Difference]: With dead ends: 542 [2020-10-23 20:22:30,585 INFO L226 Difference]: Without dead ends: 366 [2020-10-23 20:22:30,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-10-23 20:22:30,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-10-23 20:22:30,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 296. [2020-10-23 20:22:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-23 20:22:30,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 317 transitions. [2020-10-23 20:22:30,709 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 317 transitions. Word has length 180 [2020-10-23 20:22:30,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:30,710 INFO L481 AbstractCegarLoop]: Abstraction has 296 states and 317 transitions. [2020-10-23 20:22:30,710 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 20:22:30,710 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 317 transitions. [2020-10-23 20:22:30,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-10-23 20:22:30,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:30,713 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:30,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 20:22:30,714 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 20:22:30,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash 412016147, now seen corresponding path program 1 times [2020-10-23 20:22:30,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:30,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1455240787] [2020-10-23 20:22:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:30,718 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,133 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:31,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-23 20:22:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-23 20:22:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 20:22:31,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1455240787] [2020-10-23 20:22:31,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:31,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 20:22:31,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670465575] [2020-10-23 20:22:31,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 20:22:31,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:31,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 20:22:31,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 20:22:31,335 INFO L87 Difference]: Start difference. First operand 296 states and 317 transitions. Second operand 8 states. [2020-10-23 20:22:32,044 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:34,550 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:35,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:35,508 INFO L93 Difference]: Finished difference Result 733 states and 864 transitions. [2020-10-23 20:22:35,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-23 20:22:35,508 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-10-23 20:22:35,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:35,513 INFO L225 Difference]: With dead ends: 733 [2020-10-23 20:22:35,513 INFO L226 Difference]: Without dead ends: 557 [2020-10-23 20:22:35,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-10-23 20:22:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-10-23 20:22:35,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 417. [2020-10-23 20:22:35,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-10-23 20:22:35,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 450 transitions. [2020-10-23 20:22:35,692 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 450 transitions. Word has length 193 [2020-10-23 20:22:35,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:35,693 INFO L481 AbstractCegarLoop]: Abstraction has 417 states and 450 transitions. [2020-10-23 20:22:35,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 20:22:35,693 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 450 transitions. [2020-10-23 20:22:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-23 20:22:35,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:35,696 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:35,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 20:22:35,697 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 20:22:35,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:35,698 INFO L82 PathProgramCache]: Analyzing trace with hash 948018395, now seen corresponding path program 1 times [2020-10-23 20:22:35,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:35,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264400438] [2020-10-23 20:22:35,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:35,701 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,144 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:36,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-23 20:22:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-23 20:22:36,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:36,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-23 20:22:36,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [264400438] [2020-10-23 20:22:36,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:36,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 20:22:36,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656163406] [2020-10-23 20:22:36,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 20:22:36,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:36,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 20:22:36,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:22:36,360 INFO L87 Difference]: Start difference. First operand 417 states and 450 transitions. Second operand 11 states. [2020-10-23 20:22:37,063 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:38,195 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:38,575 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:22:40,076 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:40,466 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:40,890 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:41,572 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:41,955 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:22:42,343 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:43,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:43,134 INFO L93 Difference]: Finished difference Result 851 states and 991 transitions. [2020-10-23 20:22:43,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-23 20:22:43,135 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-10-23 20:22:43,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:43,141 INFO L225 Difference]: With dead ends: 851 [2020-10-23 20:22:43,141 INFO L226 Difference]: Without dead ends: 554 [2020-10-23 20:22:43,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-10-23 20:22:43,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2020-10-23 20:22:43,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 416. [2020-10-23 20:22:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-23 20:22:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 447 transitions. [2020-10-23 20:22:43,367 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 447 transitions. Word has length 217 [2020-10-23 20:22:43,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:43,367 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 447 transitions. [2020-10-23 20:22:43,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 20:22:43,368 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 447 transitions. [2020-10-23 20:22:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-23 20:22:43,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:43,373 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:43,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 20:22:43,373 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 20:22:43,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:43,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2013776576, now seen corresponding path program 1 times [2020-10-23 20:22:43,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:43,375 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267240222] [2020-10-23 20:22:43,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:43,378 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,730 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:43,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:22:43,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:22:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 20:22:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-23 20:22:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-23 20:22:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:43,967 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 20:22:43,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267240222] [2020-10-23 20:22:43,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:43,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-23 20:22:43,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224762289] [2020-10-23 20:22:43,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 20:22:43,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:43,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 20:22:43,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-23 20:22:43,970 INFO L87 Difference]: Start difference. First operand 416 states and 447 transitions. Second operand 11 states. [2020-10-23 20:22:45,683 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:46,085 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:22:46,493 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-23 20:22:46,880 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:47,279 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:47,646 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:49,252 INFO L93 Difference]: Finished difference Result 854 states and 1000 transitions. [2020-10-23 20:22:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-23 20:22:49,253 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-10-23 20:22:49,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:49,256 INFO L225 Difference]: With dead ends: 854 [2020-10-23 20:22:49,257 INFO L226 Difference]: Without dead ends: 558 [2020-10-23 20:22:49,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-23 20:22:49,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2020-10-23 20:22:49,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 424. [2020-10-23 20:22:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-23 20:22:49,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 455 transitions. [2020-10-23 20:22:49,425 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 455 transitions. Word has length 240 [2020-10-23 20:22:49,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:49,425 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 455 transitions. [2020-10-23 20:22:49,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 20:22:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 455 transitions. [2020-10-23 20:22:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-23 20:22:49,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:49,429 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:49,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 20:22:49,430 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:22:49,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:49,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1506492640, now seen corresponding path program 1 times [2020-10-23 20:22:49,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:49,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739001594] [2020-10-23 20:22:49,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:49,434 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,841 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:49,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:22:50,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:22:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 20:22:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-23 20:22:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-23 20:22:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:50,137 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 20:22:50,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739001594] [2020-10-23 20:22:50,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:50,143 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-23 20:22:50,143 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788938064] [2020-10-23 20:22:50,144 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-23 20:22:50,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:50,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-23 20:22:50,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-10-23 20:22:50,145 INFO L87 Difference]: Start difference. First operand 424 states and 455 transitions. Second operand 14 states. [2020-10-23 20:22:50,910 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:22:51,315 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-23 20:22:51,699 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:52,088 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:52,456 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:53,717 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:54,104 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:54,500 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:54,902 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 20:22:55,277 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:22:57,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:22:57,315 INFO L93 Difference]: Finished difference Result 871 states and 1018 transitions. [2020-10-23 20:22:57,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 20:22:57,316 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-10-23 20:22:57,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:22:57,320 INFO L225 Difference]: With dead ends: 871 [2020-10-23 20:22:57,320 INFO L226 Difference]: Without dead ends: 567 [2020-10-23 20:22:57,322 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-23 20:22:57,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-10-23 20:22:57,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 430. [2020-10-23 20:22:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2020-10-23 20:22:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 461 transitions. [2020-10-23 20:22:57,495 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 461 transitions. Word has length 240 [2020-10-23 20:22:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:22:57,496 INFO L481 AbstractCegarLoop]: Abstraction has 430 states and 461 transitions. [2020-10-23 20:22:57,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-23 20:22:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 461 transitions. [2020-10-23 20:22:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-23 20:22:57,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:22:57,500 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:57,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 20:22:57,500 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:22:57,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:22:57,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1723047549, now seen corresponding path program 1 times [2020-10-23 20:22:57,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:22:57,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878102730] [2020-10-23 20:22:57,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:22:57,505 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:22:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,900 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:22:57,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:22:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:22:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:22:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:22:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:22:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 20:22:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:22:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:22:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:57,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-23 20:22:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:22:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:22:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:22:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:22:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:22:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 20:22:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-23 20:22:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-23 20:22:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:22:58,164 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 20:22:58,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878102730] [2020-10-23 20:22:58,164 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:22:58,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 20:22:58,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535784114] [2020-10-23 20:22:58,165 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 20:22:58,165 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:22:58,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 20:22:58,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 20:22:58,166 INFO L87 Difference]: Start difference. First operand 430 states and 461 transitions. Second operand 8 states. [2020-10-23 20:22:58,844 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:22:59,624 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:23:03,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:23:03,153 INFO L93 Difference]: Finished difference Result 1203 states and 1442 transitions. [2020-10-23 20:23:03,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-23 20:23:03,154 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-10-23 20:23:03,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:23:03,160 INFO L225 Difference]: With dead ends: 1203 [2020-10-23 20:23:03,161 INFO L226 Difference]: Without dead ends: 893 [2020-10-23 20:23:03,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-10-23 20:23:03,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-10-23 20:23:03,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 685. [2020-10-23 20:23:03,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2020-10-23 20:23:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 753 transitions. [2020-10-23 20:23:03,430 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 753 transitions. Word has length 240 [2020-10-23 20:23:03,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:23:03,430 INFO L481 AbstractCegarLoop]: Abstraction has 685 states and 753 transitions. [2020-10-23 20:23:03,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 20:23:03,430 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 753 transitions. [2020-10-23 20:23:03,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-23 20:23:03,433 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:23:03,433 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:03,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 20:23:03,434 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:23:03,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:23:03,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1220511548, now seen corresponding path program 1 times [2020-10-23 20:23:03,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:23:03,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2057787215] [2020-10-23 20:23:03,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:23:03,438 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 20:23:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,906 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 20:23:03,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:23:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-23 20:23:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-23 20:23:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-23 20:23:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-23 20:23:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-23 20:23:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:03,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 20:23:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-23 20:23:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-23 20:23:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 20:23:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 20:23:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:23:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 20:23:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-23 20:23:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-23 20:23:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:23:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-23 20:23:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-23 20:23:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-23 20:23:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-23 20:23:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 20:23:04,221 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 20:23:04,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2057787215] [2020-10-23 20:23:04,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 20:23:04,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-23 20:23:04,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590621470] [2020-10-23 20:23:04,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-23 20:23:04,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 20:23:04,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-23 20:23:04,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-23 20:23:04,223 INFO L87 Difference]: Start difference. First operand 685 states and 753 transitions. Second operand 15 states. [2020-10-23 20:23:05,357 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-23 20:23:06,361 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:23:08,575 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-23 20:23:09,339 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-23 20:23:09,815 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:10,210 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:23:10,969 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-23 20:23:11,368 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:11,825 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-23 20:23:12,213 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:14,678 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 20:23:15,043 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-23 20:23:15,450 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 20:23:16,296 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-23 20:23:18,280 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-23 20:23:19,020 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-23 20:23:19,841 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-23 20:23:20,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 20:23:20,651 INFO L93 Difference]: Finished difference Result 2119 states and 2535 transitions. [2020-10-23 20:23:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-23 20:23:20,652 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2020-10-23 20:23:20,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 20:23:20,662 INFO L225 Difference]: With dead ends: 2119 [2020-10-23 20:23:20,662 INFO L226 Difference]: Without dead ends: 1661 [2020-10-23 20:23:20,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1135 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-10-23 20:23:20,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1661 states. [2020-10-23 20:23:21,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1661 to 1218. [2020-10-23 20:23:21,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2020-10-23 20:23:21,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1330 transitions. [2020-10-23 20:23:21,358 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1330 transitions. Word has length 245 [2020-10-23 20:23:21,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 20:23:21,359 INFO L481 AbstractCegarLoop]: Abstraction has 1218 states and 1330 transitions. [2020-10-23 20:23:21,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-23 20:23:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1330 transitions. [2020-10-23 20:23:21,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2020-10-23 20:23:21,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 20:23:21,363 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:21,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 20:23:21,363 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 20:23:21,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 20:23:21,364 INFO L82 PathProgramCache]: Analyzing trace with hash -830452190, now seen corresponding path program 1 times [2020-10-23 20:23:21,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 20:23:21,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1873059110] [2020-10-23 20:23:21,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 20:23:21,827 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 90 [2020-10-23 20:23:21,989 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-23 20:23:22,428 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 92 [2020-10-23 20:23:22,557 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-10-23 20:23:22,956 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 90 [2020-10-23 20:23:23,091 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-10-23 20:23:23,530 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 91 [2020-10-23 20:23:23,661 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-23 20:23:24,061 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2020-10-23 20:23:24,185 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-23 20:23:24,589 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 83 [2020-10-23 20:23:24,705 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-23 20:23:25,073 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2020-10-23 20:23:25,191 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-23 20:23:25,577 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 83 [2020-10-23 20:23:25,690 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-23 20:23:26,124 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 93 [2020-10-23 20:23:26,282 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2020-10-23 20:23:26,693 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2020-10-23 20:23:26,822 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-23 20:23:27,257 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 91 [2020-10-23 20:23:27,385 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-10-23 20:23:27,774 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2020-10-23 20:23:27,890 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-23 20:23:28,304 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 87 [2020-10-23 20:23:28,448 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-23 20:23:28,845 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 84 [2020-10-23 20:23:28,954 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-23 20:23:29,759 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-10-23 20:23:30,592 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:23:31,412 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-10-23 20:23:32,237 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:23:32,242 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:33,071 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 201 [2020-10-23 20:23:33,891 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-10-23 20:23:34,693 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-10-23 20:23:35,499 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 201 [2020-10-23 20:23:35,503 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:36,306 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2020-10-23 20:23:37,133 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-23 20:23:37,937 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 205 [2020-10-23 20:23:38,750 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 204 [2020-10-23 20:23:38,754 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:39,605 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:40,421 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:41,236 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:42,072 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:42,076 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:43,266 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-10-23 20:23:44,476 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 263 DAG size of output: 261 [2020-10-23 20:23:44,488 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:45,568 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 256 [2020-10-23 20:23:46,696 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 256 [2020-10-23 20:23:46,710 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:47,767 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-23 20:23:48,855 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-10-23 20:23:48,861 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:49,918 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-10-23 20:23:50,994 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 257 [2020-10-23 20:23:51,000 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:51,790 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:23:52,644 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:23:53,463 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:23:54,253 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 204 [2020-10-23 20:23:54,256 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:55,372 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-10-23 20:23:56,478 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-10-23 20:23:56,492 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:23:57,331 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:58,186 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:59,023 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:59,871 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-23 20:23:59,874 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:24:00,922 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-10-23 20:24:01,982 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-10-23 20:24:01,995 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:24:03,100 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-10-23 20:24:04,195 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-10-23 20:24:04,207 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:24:05,304 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-23 20:24:06,386 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-10-23 20:24:06,395 INFO L309 leratedInterpolation]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2020-10-23 20:24:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:24:06,581 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:24:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 20:24:06,727 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 20:24:06,904 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 20:24:06,904 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 20:24:06,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 20:24:06,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 08:24:06 BoogieIcfgContainer [2020-10-23 20:24:06,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 20:24:06,963 INFO L168 Benchmark]: Toolchain (without parser) took 110379.09 ms. Allocated memory was 151.0 MB in the beginning and 640.7 MB in the end (delta: 489.7 MB). Free memory was 127.0 MB in the beginning and 332.9 MB in the end (delta: -205.9 MB). Peak memory consumption was 284.5 MB. Max. memory is 8.0 GB. [2020-10-23 20:24:06,970 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 125.0 MB in the end (delta: 107.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 20:24:06,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.04 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 104.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-23 20:24:06,971 INFO L168 Benchmark]: Boogie Preprocessor took 89.78 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 100.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-23 20:24:06,971 INFO L168 Benchmark]: RCFGBuilder took 1294.20 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 100.2 MB in the beginning and 143.7 MB in the end (delta: -43.5 MB). Peak memory consumption was 44.8 MB. Max. memory is 8.0 GB. [2020-10-23 20:24:06,971 INFO L168 Benchmark]: TraceAbstraction took 108384.58 ms. Allocated memory was 186.6 MB in the beginning and 640.7 MB in the end (delta: 454.0 MB). Free memory was 143.2 MB in the beginning and 332.9 MB in the end (delta: -189.7 MB). Peak memory consumption was 263.8 MB. Max. memory is 8.0 GB. [2020-10-23 20:24:06,979 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 125.0 MB in the end (delta: 107.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 596.04 ms. Allocated memory is still 151.0 MB. Free memory was 126.4 MB in the beginning and 104.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.78 ms. Allocated memory is still 151.0 MB. Free memory was 104.4 MB in the beginning and 100.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1294.20 ms. Allocated memory was 151.0 MB in the beginning and 186.6 MB in the end (delta: 35.7 MB). Free memory was 100.2 MB in the beginning and 143.7 MB in the end (delta: -43.5 MB). Peak memory consumption was 44.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 108384.58 ms. Allocated memory was 186.6 MB in the beginning and 640.7 MB in the end (delta: 454.0 MB). Free memory was 143.2 MB in the beginning and 332.9 MB in the end (delta: -189.7 MB). Peak memory consumption was 263.8 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: [L50] int waterLevel = 1; [L51] int methaneLevelCritical = 0; [L155] int switchedOnBeforeTS ; [L373] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L570] int cleanupTimeShifts = 4; [L752] int pumpRunning = 0; [L753] int systemActive = 1; [L650] int retValue_acc ; [L651] int tmp ; [L655] FCALL select_helpers() [L656] FCALL select_features() [L657] CALL, EXPR valid_product() [L1004] int retValue_acc ; [L1007] retValue_acc = 1 [L1008] return (retValue_acc); [L657] RET, EXPR valid_product() [L657] tmp = valid_product() [L659] COND TRUE \read(tmp) [L661] FCALL setup() [L662] CALL runTest() [L640] CALL __utac_acc__Specification5_spec__1() [L160] switchedOnBeforeTS = 0 [L640] RET __utac_acc__Specification5_spec__1() [L641] CALL test() [L684] int splverifierCounter ; [L685] int tmp ; [L686] int tmp___0 ; [L687] int tmp___1 ; [L688] int tmp___2 ; [L691] splverifierCounter = 0 [L693] COND TRUE 1 [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND TRUE \read(tmp) [L705] CALL waterRise() [L68] COND TRUE waterLevel < 2 [L69] waterLevel = waterLevel + 1 [L705] RET waterRise() [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L973] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L760] CALL __utac_acc__Specification5_spec__2() [L169] CALL, EXPR isPumpRunning() [L887] int retValue_acc ; [L890] retValue_acc = pumpRunning [L891] return (retValue_acc); [L169] RET, EXPR isPumpRunning() [L169] switchedOnBeforeTS = isPumpRunning() [L760] RET __utac_acc__Specification5_spec__2() [L762] COND FALSE !(\read(pumpRunning)) [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L817] int tmp ; [L820] COND FALSE !(\read(pumpRunning)) [L835] CALL processEnvironment__wrappee__highWaterSensor() [L791] int tmp ; [L794] COND TRUE ! pumpRunning [L796] CALL, EXPR isHighWaterLevel() [L932] int retValue_acc ; [L933] int tmp ; [L934] int tmp___0 ; [L938] CALL, EXPR isHighWaterSensorDry() [L130] int retValue_acc ; [L133] COND FALSE !(waterLevel < 2) [L137] retValue_acc = 0 [L138] return (retValue_acc); [L938] RET, EXPR isHighWaterSensorDry() [L938] tmp = isHighWaterSensorDry() [L940] COND FALSE !(\read(tmp)) [L943] tmp___0 = 1 [L945] retValue_acc = tmp___0 [L946] return (retValue_acc); [L796] RET, EXPR isHighWaterLevel() [L796] tmp = isHighWaterLevel() [L798] COND TRUE \read(tmp) [L800] CALL activatePump() [L851] int tmp ; [L855] CALL, EXPR isMethaneAlarm() [L876] int retValue_acc ; [L880] CALL, EXPR isMethaneLevelCritical() [L89] int retValue_acc ; [L92] retValue_acc = methaneLevelCritical [L93] return (retValue_acc); [L880] RET, EXPR isMethaneLevelCritical() [L880] retValue_acc = isMethaneLevelCritical() [L882] return (retValue_acc); [L855] RET, EXPR isMethaneAlarm() [L855] tmp = isMethaneAlarm() [L857] COND FALSE !(\read(tmp)) [L861] CALL activatePump__wrappee__lowWaterSensor() [L845] pumpRunning = 1 [L861] RET activatePump__wrappee__lowWaterSensor() [L800] RET activatePump() [L835] RET processEnvironment__wrappee__highWaterSensor() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification5_spec__3() [L175] int tmp ; [L176] int tmp___0 ; [L180] CALL, EXPR getWaterLevel() [L121] int retValue_acc ; [L124] retValue_acc = waterLevel [L125] return (retValue_acc); [L180] RET, EXPR getWaterLevel() [L180] tmp = getWaterLevel() [L182] COND FALSE !(tmp != 2) [L777] RET __utac_acc__Specification5_spec__3() [L738] RET timeShift() [L693] COND TRUE 1 [L695] COND TRUE splverifierCounter < 4 [L701] tmp = __VERIFIER_nondet_int() [L703] COND FALSE !(\read(tmp)) [L711] tmp___0 = __VERIFIER_nondet_int() [L713] COND FALSE !(\read(tmp___0)) [L721] tmp___2 = __VERIFIER_nondet_int() [L723] COND TRUE \read(tmp___2) [L725] CALL startSystem() [L973] systemActive = 1 [L725] RET startSystem() [L738] CALL timeShift() [L760] CALL __utac_acc__Specification5_spec__2() [L169] CALL, EXPR isPumpRunning() [L887] int retValue_acc ; [L890] retValue_acc = pumpRunning [L891] return (retValue_acc); [L169] RET, EXPR isPumpRunning() [L169] switchedOnBeforeTS = isPumpRunning() [L760] RET __utac_acc__Specification5_spec__2() [L762] COND TRUE \read(pumpRunning) [L764] CALL lowerWaterLevel() [L56] COND TRUE waterLevel > 0 [L57] waterLevel = waterLevel - 1 [L764] RET lowerWaterLevel() [L769] COND TRUE \read(systemActive) [L771] CALL processEnvironment() [L817] int tmp ; [L820] COND TRUE \read(pumpRunning) [L822] CALL, EXPR isLowWaterLevel() [L951] int retValue_acc ; [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR isLowWaterSensorDry() [L144] int retValue_acc ; [L147] retValue_acc = waterLevel == 0 [L148] return (retValue_acc); [L957] RET, EXPR isLowWaterSensorDry() [L957] tmp = isLowWaterSensorDry() [L959] COND TRUE \read(tmp) [L960] tmp___0 = 0 [L964] retValue_acc = tmp___0 [L965] return (retValue_acc); [L822] RET, EXPR isLowWaterLevel() [L822] tmp = isLowWaterLevel() [L824] COND FALSE !(\read(tmp)) [L830] CALL processEnvironment__wrappee__highWaterSensor() [L791] int tmp ; [L794] COND FALSE !(! pumpRunning) [L809] FCALL processEnvironment__wrappee__base() [L830] RET processEnvironment__wrappee__highWaterSensor() [L771] RET processEnvironment() [L777] CALL __utac_acc__Specification5_spec__3() [L175] int tmp ; [L176] int tmp___0 ; [L180] CALL, EXPR getWaterLevel() [L121] int retValue_acc ; [L124] retValue_acc = waterLevel [L125] return (retValue_acc); [L180] RET, EXPR getWaterLevel() [L180] tmp = getWaterLevel() [L182] COND TRUE tmp != 2 [L184] CALL, EXPR isPumpRunning() [L887] int retValue_acc ; [L890] retValue_acc = pumpRunning [L891] return (retValue_acc); [L184] RET, EXPR isPumpRunning() [L184] tmp___0 = isPumpRunning() [L186] COND TRUE \read(tmp___0) [L187] COND TRUE ! switchedOnBeforeTS [L189] CALL __automaton_fail() [L677] CALL reach_error() [L3] __assert_fail("0", "minepump_spec5_product58.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 676 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 108.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 53.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2702 SDtfs, 8140 SDslu, 5133 SDs, 0 SdLazy, 11311 SolverSat, 2523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 535 GetRequests, 330 SyntacticMatches, 3 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1719 ImplicationChecksByTransitivity, 27.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1218occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 1365 StatesRemovedByMinimization, 9 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! Received shutdown request...