/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:05:30,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:05:30,779 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:05:30,835 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:05:30,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:05:30,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:05:30,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:05:30,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:05:30,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:05:30,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:05:30,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:05:30,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:05:30,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:05:30,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:05:30,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:05:30,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:05:30,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:05:30,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:05:30,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:05:30,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:05:30,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:05:30,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:05:30,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:05:30,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:05:30,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:05:30,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:05:30,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:05:30,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:05:30,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:05:30,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:05:30,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:05:30,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:05:30,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:05:30,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:05:30,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:05:30,919 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:05:30,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:05:30,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:05:30,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:05:30,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:05:30,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:05:30,923 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:05:30,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:05:30,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:05:30,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:05:30,967 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:05:30,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:05:30,967 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:05:30,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:05:30,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:05:30,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:05:30,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:05:30,969 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:05:30,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:05:30,970 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:05:30,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:05:30,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:05:30,971 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:05:30,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:05:30,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:05:30,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:05:30,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:05:30,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:05:30,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:05:30,972 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:05:31,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:05:31,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:05:31,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:05:31,461 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:05:31,462 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:05:31,463 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-10-24 00:05:31,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe9f7a8c/b06579ce27fb4d20963892b72e9da8ff/FLAG70b107482 [2020-10-24 00:05:32,203 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:05:32,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product42.cil.c [2020-10-24 00:05:32,226 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe9f7a8c/b06579ce27fb4d20963892b72e9da8ff/FLAG70b107482 [2020-10-24 00:05:32,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfe9f7a8c/b06579ce27fb4d20963892b72e9da8ff [2020-10-24 00:05:32,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:05:32,478 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:05:32,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:05:32,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:05:32,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:05:32,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:05:32" (1/1) ... [2020-10-24 00:05:32,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e439ecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:32, skipping insertion in model container [2020-10-24 00:05:32,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:05:32" (1/1) ... [2020-10-24 00:05:32,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:05:32,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:05:32,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:05:32,904 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:05:33,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:05:33,088 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:05:33,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33 WrapperNode [2020-10-24 00:05:33,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:05:33,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:05:33,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:05:33,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:05:33,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (1/1) ... [2020-10-24 00:05:33,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:05:33,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:05:33,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:05:33,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:05:33,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (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 [2020-10-24 00:05:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:05:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:05:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:05:33,334 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:05:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:05:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:05:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:05:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:05:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:05:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:05:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:05:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:05:33,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:05:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:05:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:05:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:05:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:05:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:05:33,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:05:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:05:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:05:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-24 00:05:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:05:33,338 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:05:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:05:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:05:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:05:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:05:33,339 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:05:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:05:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:05:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:05:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:05:33,340 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:05:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:05:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:05:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:05:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:05:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-24 00:05:33,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:05:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:05:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:05:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:05:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:05:33,342 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:05:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:05:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:05:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:05:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:05:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:05:33,343 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:05:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:05:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:05:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:05:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:05:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:05:33,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:05:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:05:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:05:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:05:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:05:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:05:33,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:05:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:05:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:05:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:05:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:05:33,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:05:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:05:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:05:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:05:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:05:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:05:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:05:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-24 00:05:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:05:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:05:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:05:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:05:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:05:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:05:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:05:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:05:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-24 00:05:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:05:33,349 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:05:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:05:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:05:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:05:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:05:33,350 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:05:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:05:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:05:33,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:05:35,166 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:05:35,167 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:05:35,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:05:35 BoogieIcfgContainer [2020-10-24 00:05:35,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:05:35,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:05:35,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:05:35,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:05:35,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:05:32" (1/3) ... [2020-10-24 00:05:35,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6ca9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:05:35, skipping insertion in model container [2020-10-24 00:05:35,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:05:33" (2/3) ... [2020-10-24 00:05:35,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6ca9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:05:35, skipping insertion in model container [2020-10-24 00:05:35,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:05:35" (3/3) ... [2020-10-24 00:05:35,179 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product42.cil.c [2020-10-24 00:05:35,193 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:05:35,200 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:05:35,215 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:05:35,241 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:05:35,241 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:05:35,242 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:05:35,242 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:05:35,242 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:05:35,242 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:05:35,242 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:05:35,242 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:05:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states. [2020-10-24 00:05:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-24 00:05:35,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:35,288 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:05:35,289 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]=== [2020-10-24 00:05:35,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:35,296 INFO L82 PathProgramCache]: Analyzing trace with hash 303673786, now seen corresponding path program 1 times [2020-10-24 00:05:35,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:35,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2134394751] [2020-10-24 00:05:35,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,521 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:36,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:05:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:05:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:36,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:36,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2134394751] [2020-10-24 00:05:36,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:36,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 00:05:36,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045668299] [2020-10-24 00:05:36,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 00:05:36,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:36,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 00:05:36,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 00:05:36,744 INFO L87 Difference]: Start difference. First operand 313 states. Second operand 3 states. [2020-10-24 00:05:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:38,547 INFO L93 Difference]: Finished difference Result 484 states and 570 transitions. [2020-10-24 00:05:38,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 00:05:38,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-24 00:05:38,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:38,572 INFO L225 Difference]: With dead ends: 484 [2020-10-24 00:05:38,572 INFO L226 Difference]: Without dead ends: 301 [2020-10-24 00:05:38,578 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 00:05:38,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2020-10-24 00:05:38,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 259. [2020-10-24 00:05:38,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2020-10-24 00:05:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 278 transitions. [2020-10-24 00:05:38,765 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 278 transitions. Word has length 148 [2020-10-24 00:05:38,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:38,769 INFO L481 AbstractCegarLoop]: Abstraction has 259 states and 278 transitions. [2020-10-24 00:05:38,769 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 00:05:38,769 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 278 transitions. [2020-10-24 00:05:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-24 00:05:38,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:38,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:05:38,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:05:38,788 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]=== [2020-10-24 00:05:38,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:38,789 INFO L82 PathProgramCache]: Analyzing trace with hash 839545841, now seen corresponding path program 1 times [2020-10-24 00:05:38,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:38,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988296276] [2020-10-24 00:05:38,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,388 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:39,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:05:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-24 00:05:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:39,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:39,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988296276] [2020-10-24 00:05:39,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:39,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:05:39,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980640235] [2020-10-24 00:05:39,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:05:39,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:39,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:05:39,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:05:39,506 INFO L87 Difference]: Start difference. First operand 259 states and 278 transitions. Second operand 4 states. [2020-10-24 00:05:40,423 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:05:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:41,604 INFO L93 Difference]: Finished difference Result 394 states and 437 transitions. [2020-10-24 00:05:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 00:05:41,605 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-24 00:05:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:41,618 INFO L225 Difference]: With dead ends: 394 [2020-10-24 00:05:41,618 INFO L226 Difference]: Without dead ends: 284 [2020-10-24 00:05:41,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:05:41,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-10-24 00:05:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 249. [2020-10-24 00:05:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-24 00:05:41,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 265 transitions. [2020-10-24 00:05:41,749 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 265 transitions. Word has length 149 [2020-10-24 00:05:41,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:41,752 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 265 transitions. [2020-10-24 00:05:41,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:05:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 265 transitions. [2020-10-24 00:05:41,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-24 00:05:41,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:41,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:05:41,755 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:05:41,755 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]=== [2020-10-24 00:05:41,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:41,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1969467473, now seen corresponding path program 1 times [2020-10-24 00:05:41,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:41,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967127507] [2020-10-24 00:05:41,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,287 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:05:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:05:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:05:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:42,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:42,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967127507] [2020-10-24 00:05:42,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:42,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:05:42,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555901298] [2020-10-24 00:05:42,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:05:42,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:42,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:05:42,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:05:42,530 INFO L87 Difference]: Start difference. First operand 249 states and 265 transitions. Second operand 10 states. [2020-10-24 00:05:43,280 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:05:43,760 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:05:44,151 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:05:44,541 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:44,943 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:05:45,331 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:47,257 INFO L93 Difference]: Finished difference Result 440 states and 499 transitions. [2020-10-24 00:05:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:05:47,258 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2020-10-24 00:05:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:47,263 INFO L225 Difference]: With dead ends: 440 [2020-10-24 00:05:47,263 INFO L226 Difference]: Without dead ends: 306 [2020-10-24 00:05:47,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:05:47,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2020-10-24 00:05:47,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 249. [2020-10-24 00:05:47,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-24 00:05:47,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 264 transitions. [2020-10-24 00:05:47,382 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 264 transitions. Word has length 162 [2020-10-24 00:05:47,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:47,383 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 264 transitions. [2020-10-24 00:05:47,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:05:47,383 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 264 transitions. [2020-10-24 00:05:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-24 00:05:47,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:47,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:05:47,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:05:47,386 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]=== [2020-10-24 00:05:47,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:47,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1222633156, now seen corresponding path program 1 times [2020-10-24 00:05:47,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:47,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067607303] [2020-10-24 00:05:47,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,785 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:47,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:47,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:05:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-24 00:05:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:05:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-24 00:05:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-24 00:05:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:47,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067607303] [2020-10-24 00:05:47,936 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:47,937 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 00:05:47,937 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173336645] [2020-10-24 00:05:47,937 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:05:47,938 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:47,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:05:47,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:05:47,939 INFO L87 Difference]: Start difference. First operand 249 states and 264 transitions. Second operand 7 states. [2020-10-24 00:05:48,547 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:05:50,684 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:05:51,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:05:51,506 INFO L93 Difference]: Finished difference Result 613 states and 718 transitions. [2020-10-24 00:05:51,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-24 00:05:51,507 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2020-10-24 00:05:51,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:05:51,513 INFO L225 Difference]: With dead ends: 613 [2020-10-24 00:05:51,513 INFO L226 Difference]: Without dead ends: 479 [2020-10-24 00:05:51,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:05:51,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-10-24 00:05:51,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 350. [2020-10-24 00:05:51,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2020-10-24 00:05:51,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 375 transitions. [2020-10-24 00:05:51,701 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 375 transitions. Word has length 170 [2020-10-24 00:05:51,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:05:51,702 INFO L481 AbstractCegarLoop]: Abstraction has 350 states and 375 transitions. [2020-10-24 00:05:51,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:05:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 375 transitions. [2020-10-24 00:05:51,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-24 00:05:51,707 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:05:51,707 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:05:51,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:05:51,708 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]=== [2020-10-24 00:05:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:05:51,709 INFO L82 PathProgramCache]: Analyzing trace with hash -587644704, now seen corresponding path program 1 times [2020-10-24 00:05:51,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:05:51,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2119090660] [2020-10-24 00:05:51,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:05:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,154 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:05:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:05:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:05:52,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:05:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:05:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:05:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:05:52,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-24 00:05:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:05:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:05:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:05:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-24 00:05:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-24 00:05:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:05:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:05:52,420 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2119090660] [2020-10-24 00:05:52,420 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:05:52,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-24 00:05:52,421 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902924687] [2020-10-24 00:05:52,422 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:05:52,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:05:52,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:05:52,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:05:52,423 INFO L87 Difference]: Start difference. First operand 350 states and 375 transitions. Second operand 15 states. [2020-10-24 00:05:53,148 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:05:53,630 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:05:54,022 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:05:54,407 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:54,770 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:05:55,106 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:55,989 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:05:57,436 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:05:57,828 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:05:58,260 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:05:58,750 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:05:59,138 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:05:59,534 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:05:59,946 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:00,407 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:00,875 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:06:01,338 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:03,475 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:03,903 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:04,391 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:05,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:05,801 INFO L93 Difference]: Finished difference Result 1253 states and 1564 transitions. [2020-10-24 00:06:05,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-24 00:06:05,801 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 194 [2020-10-24 00:06:05,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:05,809 INFO L225 Difference]: With dead ends: 1253 [2020-10-24 00:06:05,810 INFO L226 Difference]: Without dead ends: 1018 [2020-10-24 00:06:05,812 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2020-10-24 00:06:05,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2020-10-24 00:06:06,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 719. [2020-10-24 00:06:06,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2020-10-24 00:06:06,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 792 transitions. [2020-10-24 00:06:06,124 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 792 transitions. Word has length 194 [2020-10-24 00:06:06,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:06,125 INFO L481 AbstractCegarLoop]: Abstraction has 719 states and 792 transitions. [2020-10-24 00:06:06,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:06:06,125 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 792 transitions. [2020-10-24 00:06:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-24 00:06:06,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:06,132 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:06,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:06:06,133 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]=== [2020-10-24 00:06:06,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:06,134 INFO L82 PathProgramCache]: Analyzing trace with hash -835942819, now seen corresponding path program 1 times [2020-10-24 00:06:06,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:06,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867783622] [2020-10-24 00:06:06,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,481 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:06,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-24 00:06:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:06:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-24 00:06:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:06:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-24 00:06:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-24 00:06:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:06:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-24 00:06:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 00:06:06,806 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867783622] [2020-10-24 00:06:06,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:06,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:06:06,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455103461] [2020-10-24 00:06:06,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:06:06,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:06,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:06:06,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:06:06,811 INFO L87 Difference]: Start difference. First operand 719 states and 792 transitions. Second operand 12 states. [2020-10-24 00:06:08,335 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:08,738 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:09,153 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:06:09,519 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:09,903 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:10,254 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:12,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:12,037 INFO L93 Difference]: Finished difference Result 1635 states and 1974 transitions. [2020-10-24 00:06:12,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:06:12,038 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 273 [2020-10-24 00:06:12,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:12,046 INFO L225 Difference]: With dead ends: 1635 [2020-10-24 00:06:12,046 INFO L226 Difference]: Without dead ends: 1031 [2020-10-24 00:06:12,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:06:12,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2020-10-24 00:06:12,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 743. [2020-10-24 00:06:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 743 states. [2020-10-24 00:06:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 743 states and 817 transitions. [2020-10-24 00:06:12,359 INFO L78 Accepts]: Start accepts. Automaton has 743 states and 817 transitions. Word has length 273 [2020-10-24 00:06:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:12,359 INFO L481 AbstractCegarLoop]: Abstraction has 743 states and 817 transitions. [2020-10-24 00:06:12,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:06:12,359 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 817 transitions. [2020-10-24 00:06:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-24 00:06:12,366 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:12,366 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:12,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:06:12,367 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]=== [2020-10-24 00:06:12,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:12,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1970936853, now seen corresponding path program 1 times [2020-10-24 00:06:12,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:12,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59224886] [2020-10-24 00:06:12,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,796 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:06:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:12,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:12,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-24 00:06:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:06:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-24 00:06:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-24 00:06:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:13,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-24 00:06:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2020-10-24 00:06:13,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-24 00:06:13,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59224886] [2020-10-24 00:06:13,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:13,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-24 00:06:13,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062625950] [2020-10-24 00:06:13,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-24 00:06:13,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:13,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-24 00:06:13,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-24 00:06:13,162 INFO L87 Difference]: Start difference. First operand 743 states and 817 transitions. Second operand 15 states. [2020-10-24 00:06:14,012 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:14,401 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:14,797 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:15,169 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:15,536 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:16,579 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:16,941 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:17,319 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:17,701 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:18,079 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:20,132 INFO L93 Difference]: Finished difference Result 1439 states and 1706 transitions. [2020-10-24 00:06:20,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:06:20,134 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 277 [2020-10-24 00:06:20,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:20,141 INFO L225 Difference]: With dead ends: 1439 [2020-10-24 00:06:20,141 INFO L226 Difference]: Without dead ends: 811 [2020-10-24 00:06:20,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-10-24 00:06:20,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-10-24 00:06:20,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 595. [2020-10-24 00:06:20,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 595 states. [2020-10-24 00:06:20,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 650 transitions. [2020-10-24 00:06:20,460 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 650 transitions. Word has length 277 [2020-10-24 00:06:20,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:20,461 INFO L481 AbstractCegarLoop]: Abstraction has 595 states and 650 transitions. [2020-10-24 00:06:20,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-24 00:06:20,461 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 650 transitions. [2020-10-24 00:06:20,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-10-24 00:06:20,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:20,467 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:20,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:06:20,468 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]=== [2020-10-24 00:06:20,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:20,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1487023319, now seen corresponding path program 1 times [2020-10-24 00:06:20,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:20,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1033891301] [2020-10-24 00:06:20,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,853 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:20,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:20,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:06:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-24 00:06:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-24 00:06:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-24 00:06:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-24 00:06:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-24 00:06:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-24 00:06:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-24 00:06:21,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1033891301] [2020-10-24 00:06:21,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:21,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-24 00:06:21,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873220913] [2020-10-24 00:06:21,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 00:06:21,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:21,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 00:06:21,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:06:21,092 INFO L87 Difference]: Start difference. First operand 595 states and 650 transitions. Second operand 9 states. [2020-10-24 00:06:22,032 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:22,797 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:25,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:25,636 INFO L93 Difference]: Finished difference Result 1364 states and 1626 transitions. [2020-10-24 00:06:25,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-24 00:06:25,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 278 [2020-10-24 00:06:25,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:25,646 INFO L225 Difference]: With dead ends: 1364 [2020-10-24 00:06:25,646 INFO L226 Difference]: Without dead ends: 969 [2020-10-24 00:06:25,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 58 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:06:25,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2020-10-24 00:06:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 669. [2020-10-24 00:06:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2020-10-24 00:06:25,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 737 transitions. [2020-10-24 00:06:25,931 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 737 transitions. Word has length 278 [2020-10-24 00:06:25,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:25,931 INFO L481 AbstractCegarLoop]: Abstraction has 669 states and 737 transitions. [2020-10-24 00:06:25,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 00:06:25,932 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 737 transitions. [2020-10-24 00:06:25,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2020-10-24 00:06:25,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:25,935 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:25,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:06:25,935 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]=== [2020-10-24 00:06:25,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:25,936 INFO L82 PathProgramCache]: Analyzing trace with hash 480844328, now seen corresponding path program 1 times [2020-10-24 00:06:25,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:25,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437124735] [2020-10-24 00:06:25,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,409 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:26,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:06:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:06:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:06:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:06:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:06:26,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:06:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:06:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-24 00:06:26,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:06:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-24 00:06:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-24 00:06:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:06:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:06:26,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-24 00:06:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-24 00:06:26,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437124735] [2020-10-24 00:06:26,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:06:26,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-24 00:06:26,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526558420] [2020-10-24 00:06:26,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:06:26,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:26,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:06:26,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:06:26,750 INFO L87 Difference]: Start difference. First operand 669 states and 737 transitions. Second operand 14 states. [2020-10-24 00:06:27,526 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:28,612 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:30,008 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:30,419 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:30,857 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:31,305 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:31,694 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:32,093 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:32,504 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:32,943 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:33,406 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:33,861 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:35,717 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:36,090 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:37,873 INFO L93 Difference]: Finished difference Result 1658 states and 2029 transitions. [2020-10-24 00:06:37,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 00:06:37,873 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 273 [2020-10-24 00:06:37,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:37,882 INFO L225 Difference]: With dead ends: 1658 [2020-10-24 00:06:37,882 INFO L226 Difference]: Without dead ends: 1189 [2020-10-24 00:06:37,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 57 SyntacticMatches, 5 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=497, Invalid=1309, Unknown=0, NotChecked=0, Total=1806 [2020-10-24 00:06:37,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2020-10-24 00:06:38,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 740. [2020-10-24 00:06:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-24 00:06:38,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 821 transitions. [2020-10-24 00:06:38,207 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 821 transitions. Word has length 273 [2020-10-24 00:06:38,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:38,208 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 821 transitions. [2020-10-24 00:06:38,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:06:38,208 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 821 transitions. [2020-10-24 00:06:38,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-24 00:06:38,212 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:38,213 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-24 00:06:38,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:06:38,213 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]=== [2020-10-24 00:06:38,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:38,214 INFO L82 PathProgramCache]: Analyzing trace with hash -1461423229, now seen corresponding path program 2 times [2020-10-24 00:06:38,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:38,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969595977] [2020-10-24 00:06:38,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:06:38,321 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:06:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:06:38,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:06:38,766 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:06:38,766 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:06:38,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:06:39,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:06:39 BoogieIcfgContainer [2020-10-24 00:06:39,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:06:39,112 INFO L168 Benchmark]: Toolchain (without parser) took 66638.64 ms. Allocated memory was 157.3 MB in the beginning and 728.8 MB in the end (delta: 571.5 MB). Free memory was 132.9 MB in the beginning and 471.0 MB in the end (delta: -338.1 MB). Peak memory consumption was 234.4 MB. Max. memory is 8.0 GB. [2020-10-24 00:06:39,113 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:06:39,114 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.14 ms. Allocated memory is still 157.3 MB. Free memory was 132.4 MB in the beginning and 111.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:06:39,115 INFO L168 Benchmark]: Boogie Preprocessor took 135.82 ms. Allocated memory is still 157.3 MB. Free memory was 111.2 MB in the beginning and 107.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:06:39,119 INFO L168 Benchmark]: RCFGBuilder took 1942.99 ms. Allocated memory is still 157.3 MB. Free memory was 107.3 MB in the beginning and 135.4 MB in the end (delta: -28.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:06:39,122 INFO L168 Benchmark]: TraceAbstraction took 63937.84 ms. Allocated memory was 157.3 MB in the beginning and 728.8 MB in the end (delta: 571.5 MB). Free memory was 135.4 MB in the beginning and 471.0 MB in the end (delta: -335.6 MB). Peak memory consumption was 235.8 MB. Max. memory is 8.0 GB. [2020-10-24 00:06:39,130 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 125.8 MB. Free memory is still 103.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 610.14 ms. Allocated memory is still 157.3 MB. Free memory was 132.4 MB in the beginning and 111.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.82 ms. Allocated memory is still 157.3 MB. Free memory was 111.2 MB in the beginning and 107.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1942.99 ms. Allocated memory is still 157.3 MB. Free memory was 107.3 MB in the beginning and 135.4 MB in the end (delta: -28.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 63937.84 ms. Allocated memory was 157.3 MB in the beginning and 728.8 MB in the end (delta: 571.5 MB). Free memory was 135.4 MB in the beginning and 471.0 MB in the end (delta: -335.6 MB). Peak memory consumption was 235.8 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: [L49] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=181, head={182:171}, methaneLevelCritical=149, pumpRunning=136, systemActive=135, waterLevel=1] [L50] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=181, head={182:171}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=181, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=181, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L575] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=181, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L744] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=181, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L745] int systemActive = 1; VAL [\old(cleanupTimeShifts)=181, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=149, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L651] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L652] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L656] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L657] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L658] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L538] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L541] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L542] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L658] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L658] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L660] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L662] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L663] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L645] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L676] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L677] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L678] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L679] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L680] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L683] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L685] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L687] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L693] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L695] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L697] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L67] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L68] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L697] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L703] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L705] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L713] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L715] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L717] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L917] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L717] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L730] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L758] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L760] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L780] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L783] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L785] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L895] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L896] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L897] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L129] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L136] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L137] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L901] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L903] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L906] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L908] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L909] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L785] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L785] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L787] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L789] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L814] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L839] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L88] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L91] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L92] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L843] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L843] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L845] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L818] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L818] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L820] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L824] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L808] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L824] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L789] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L760] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L766] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L550] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L551] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L555] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L120] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L123] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L124] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L555] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L555] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L557] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L766] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L730] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L685] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L687] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L693] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L695] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L703] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L705] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L713] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L715] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L717] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L917] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L717] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L730] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L751] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L753] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L55] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L56] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L753] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L758] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L760] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L780] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L783] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L798] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L760] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L766] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L550] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L551] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L555] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L120] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L123] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L124] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L555] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L555] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L557] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L766] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L730] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L685] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L687] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L693] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L695] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L703] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L705] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L713] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L715] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L717] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L917] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L717] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L730] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L751] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L753] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L55] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L56] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L753] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L758] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L760] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L780] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L783] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L798] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L760] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L766] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L550] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L551] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L555] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L120] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L123] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L124] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L555] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L555] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L557] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L559] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L850] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L853] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L854] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L559] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L559] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L561] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L563] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L926] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product42.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 632 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 63.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 53.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2364 SDtfs, 6491 SDslu, 5049 SDs, 0 SdLazy, 10434 SolverSat, 2126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 516 GetRequests, 327 SyntacticMatches, 9 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 27.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=743occurred in iteration=6, 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, 1815 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2248 NumberOfCodeBlocks, 2248 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1915 ConstructedInterpolants, 0 QuantifiedInterpolants, 971246 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 156/166 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...