/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:16:58,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:16:58,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:16:58,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:16:58,750 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:16:58,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:16:58,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:16:58,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:16:58,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:16:58,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:16:58,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:16:58,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:16:58,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:16:58,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:16:58,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:16:58,796 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:16:58,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:16:58,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:16:58,807 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:16:58,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:16:58,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:16:58,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:16:58,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:16:58,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:16:58,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:16:58,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:16:58,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:16:58,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:16:58,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:16:58,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:16:58,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:16:58,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:16:58,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:16:58,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:16:58,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:16:58,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:16:58,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:16:58,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:16:58,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:16:58,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:16:58,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:16:58,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:16:58,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:16:58,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:16:58,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:16:58,868 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:16:58,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:16:58,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:16:58,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:16:58,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:16:58,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:16:58,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:16:58,870 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:16:58,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:16:58,870 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:16:58,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:16:58,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:16:58,871 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:16:58,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:16:58,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:16:58,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:16:58,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:16:58,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:16:58,872 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:16:58,873 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:16:59,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:16:59,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:16:59,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:16:59,319 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:16:59,320 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:16:59,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c [2020-11-07 04:16:59,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b289619/509bde7d3ada4129837521a5e1285d9c/FLAG0c6fa24a7 [2020-11-07 04:17:00,057 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:17:00,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product33.cil.c [2020-11-07 04:17:00,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b289619/509bde7d3ada4129837521a5e1285d9c/FLAG0c6fa24a7 [2020-11-07 04:17:00,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69b289619/509bde7d3ada4129837521a5e1285d9c [2020-11-07 04:17:00,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:17:00,337 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:17:00,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:17:00,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:17:00,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:17:00,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51760933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00, skipping insertion in model container [2020-11-07 04:17:00,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:17:00,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:17:00,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:17:00,738 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:17:00,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:17:00,869 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:17:00,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00 WrapperNode [2020-11-07 04:17:00,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:17:00,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:17:00,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:17:00,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:17:00,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (1/1) ... [2020-11-07 04:17:00,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:17:01,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:17:01,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:17:01,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:17:01,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (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 [2020-11-07 04:17:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:17:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:17:01,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:17:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:17:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:17:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:17:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:17:01,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:17:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:17:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:17:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:17:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:17:01,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:17:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:17:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:17:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:17:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:17:01,083 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:17:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:17:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:17:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:17:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:17:01,084 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:17:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:17:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:17:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:17:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:17:01,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:17:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:17:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:17:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:17:01,086 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:17:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:17:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:17:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:17:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:17:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:17:01,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:17:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:17:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:17:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:17:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:17:01,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:17:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:17:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:17:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:17:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:17:01,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:17:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:17:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:17:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:17:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:17:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:17:01,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:17:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:17:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:17:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:17:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:17:01,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:17:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:17:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:17:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:17:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:17:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:17:01,092 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:17:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:17:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:17:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:17:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:17:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:17:01,093 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:17:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:17:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:17:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:17:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:17:01,094 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:17:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:17:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:17:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:17:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:17:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:17:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:17:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:17:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:17:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:17:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:17:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:17:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:17:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:17:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:17:02,141 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:17:02,142 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:17:02,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:02 BoogieIcfgContainer [2020-11-07 04:17:02,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:17:02,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:17:02,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:17:02,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:17:02,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:00" (1/3) ... [2020-11-07 04:17:02,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d3d856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:02, skipping insertion in model container [2020-11-07 04:17:02,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:00" (2/3) ... [2020-11-07 04:17:02,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59d3d856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:02, skipping insertion in model container [2020-11-07 04:17:02,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:02" (3/3) ... [2020-11-07 04:17:02,153 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product33.cil.c [2020-11-07 04:17:02,168 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:17:02,172 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:17:02,184 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:17:02,211 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:17:02,212 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:17:02,212 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:17:02,212 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:17:02,212 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:17:02,212 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:17:02,212 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:17:02,213 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:17:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states. [2020-11-07 04:17:02,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 04:17:02,254 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:02,255 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] [2020-11-07 04:17:02,255 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]=== [2020-11-07 04:17:02,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:02,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1204871775, now seen corresponding path program 1 times [2020-11-07 04:17:02,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:02,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050532790] [2020-11-07 04:17:02,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,028 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:03,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:17:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:17:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:03,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050532790] [2020-11-07 04:17:03,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:03,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:17:03,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781100369] [2020-11-07 04:17:03,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:17:03,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:03,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:17:03,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:17:03,254 INFO L87 Difference]: Start difference. First operand 287 states. Second operand 3 states. [2020-11-07 04:17:04,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:04,570 INFO L93 Difference]: Finished difference Result 429 states and 512 transitions. [2020-11-07 04:17:04,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:17:04,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 04:17:04,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:04,594 INFO L225 Difference]: With dead ends: 429 [2020-11-07 04:17:04,594 INFO L226 Difference]: Without dead ends: 272 [2020-11-07 04:17:04,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:17:04,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-11-07 04:17:04,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 233. [2020-11-07 04:17:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-11-07 04:17:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 251 transitions. [2020-11-07 04:17:04,816 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 251 transitions. Word has length 148 [2020-11-07 04:17:04,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:04,819 INFO L481 AbstractCegarLoop]: Abstraction has 233 states and 251 transitions. [2020-11-07 04:17:04,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:17:04,820 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 251 transitions. [2020-11-07 04:17:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 04:17:04,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:04,836 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] [2020-11-07 04:17:04,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:17:04,836 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]=== [2020-11-07 04:17:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:04,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1690018747, now seen corresponding path program 1 times [2020-11-07 04:17:04,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:04,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1982787724] [2020-11-07 04:17:04,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,294 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:05,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:17:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:17:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:05,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1982787724] [2020-11-07 04:17:05,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:05,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:17:05,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048878892] [2020-11-07 04:17:05,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:17:05,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:05,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:17:05,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:17:05,385 INFO L87 Difference]: Start difference. First operand 233 states and 251 transitions. Second operand 4 states. [2020-11-07 04:17:06,087 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:06,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:06,868 INFO L93 Difference]: Finished difference Result 343 states and 383 transitions. [2020-11-07 04:17:06,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:17:06,869 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 04:17:06,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:06,873 INFO L225 Difference]: With dead ends: 343 [2020-11-07 04:17:06,873 INFO L226 Difference]: Without dead ends: 255 [2020-11-07 04:17:06,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:17:06,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-11-07 04:17:06,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 223. [2020-11-07 04:17:06,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-07 04:17:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 238 transitions. [2020-11-07 04:17:06,975 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 238 transitions. Word has length 149 [2020-11-07 04:17:06,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:06,978 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 238 transitions. [2020-11-07 04:17:06,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:17:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 238 transitions. [2020-11-07 04:17:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-07 04:17:06,980 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:06,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:17:06,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:17:06,981 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]=== [2020-11-07 04:17:06,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:06,981 INFO L82 PathProgramCache]: Analyzing trace with hash 442497127, now seen corresponding path program 1 times [2020-11-07 04:17:06,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:06,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573777287] [2020-11-07 04:17:06,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,563 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:07,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:07,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:17:07,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-11-07 04:17:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:07,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573777287] [2020-11-07 04:17:07,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:07,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:17:07,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096378947] [2020-11-07 04:17:07,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:17:07,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:07,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:17:07,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:17:07,801 INFO L87 Difference]: Start difference. First operand 223 states and 238 transitions. Second operand 9 states. [2020-11-07 04:17:08,351 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:08,734 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:09,045 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:09,345 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:09,627 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:09,917 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:11,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:11,196 INFO L93 Difference]: Finished difference Result 363 states and 408 transitions. [2020-11-07 04:17:11,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-07 04:17:11,196 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-11-07 04:17:11,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:11,200 INFO L225 Difference]: With dead ends: 363 [2020-11-07 04:17:11,200 INFO L226 Difference]: Without dead ends: 255 [2020-11-07 04:17:11,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:17:11,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-11-07 04:17:11,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 223. [2020-11-07 04:17:11,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-11-07 04:17:11,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 237 transitions. [2020-11-07 04:17:11,313 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 237 transitions. Word has length 158 [2020-11-07 04:17:11,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:11,317 INFO L481 AbstractCegarLoop]: Abstraction has 223 states and 237 transitions. [2020-11-07 04:17:11,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:17:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 237 transitions. [2020-11-07 04:17:11,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:17:11,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:11,321 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] [2020-11-07 04:17:11,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:17:11,321 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]=== [2020-11-07 04:17:11,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:11,322 INFO L82 PathProgramCache]: Analyzing trace with hash 898387604, now seen corresponding path program 1 times [2020-11-07 04:17:11,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:11,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047197401] [2020-11-07 04:17:11,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,664 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:11,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 04:17:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:17:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:17:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:11,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:11,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047197401] [2020-11-07 04:17:11,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:11,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:17:11,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995907354] [2020-11-07 04:17:11,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:17:11,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:11,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:17:11,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:17:11,791 INFO L87 Difference]: Start difference. First operand 223 states and 237 transitions. Second operand 6 states. [2020-11-07 04:17:12,315 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:13,689 WARN L194 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:14,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:14,238 INFO L93 Difference]: Finished difference Result 487 states and 553 transitions. [2020-11-07 04:17:14,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-07 04:17:14,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2020-11-07 04:17:14,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:14,244 INFO L225 Difference]: With dead ends: 487 [2020-11-07 04:17:14,244 INFO L226 Difference]: Without dead ends: 379 [2020-11-07 04:17:14,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:17:14,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-11-07 04:17:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 318. [2020-11-07 04:17:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-11-07 04:17:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 342 transitions. [2020-11-07 04:17:14,385 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 342 transitions. Word has length 166 [2020-11-07 04:17:14,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:14,386 INFO L481 AbstractCegarLoop]: Abstraction has 318 states and 342 transitions. [2020-11-07 04:17:14,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:17:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 342 transitions. [2020-11-07 04:17:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-07 04:17:14,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:14,389 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] [2020-11-07 04:17:14,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:17:14,390 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]=== [2020-11-07 04:17:14,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:14,390 INFO L82 PathProgramCache]: Analyzing trace with hash -930271176, now seen corresponding path program 1 times [2020-11-07 04:17:14,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:14,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1426827998] [2020-11-07 04:17:14,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,687 WARN L194 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:14,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 04:17:14,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:17:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:17:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-11-07 04:17:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-11-07 04:17:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:14,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1426827998] [2020-11-07 04:17:14,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:14,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-11-07 04:17:14,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491164667] [2020-11-07 04:17:14,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 04:17:14,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:14,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 04:17:14,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-11-07 04:17:14,931 INFO L87 Difference]: Start difference. First operand 318 states and 342 transitions. Second operand 12 states. [2020-11-07 04:17:15,517 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:15,813 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:16,111 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:16,399 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:16,681 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:17,506 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:17,803 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:18,100 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:18,409 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:18,698 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:19,644 INFO L93 Difference]: Finished difference Result 585 states and 665 transitions. [2020-11-07 04:17:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:17:19,645 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 190 [2020-11-07 04:17:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:19,649 INFO L225 Difference]: With dead ends: 585 [2020-11-07 04:17:19,649 INFO L226 Difference]: Without dead ends: 382 [2020-11-07 04:17:19,651 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:17:19,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2020-11-07 04:17:19,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 324. [2020-11-07 04:17:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-11-07 04:17:19,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 348 transitions. [2020-11-07 04:17:19,806 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 348 transitions. Word has length 190 [2020-11-07 04:17:19,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:19,807 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 348 transitions. [2020-11-07 04:17:19,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 04:17:19,808 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 348 transitions. [2020-11-07 04:17:19,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-11-07 04:17:19,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:19,811 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] [2020-11-07 04:17:19,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:17:19,811 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]=== [2020-11-07 04:17:19,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:19,812 INFO L82 PathProgramCache]: Analyzing trace with hash 491969688, now seen corresponding path program 1 times [2020-11-07 04:17:19,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:19,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674362905] [2020-11-07 04:17:19,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,169 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:20,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-11-07 04:17:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:17:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:17:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-11-07 04:17:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-11-07 04:17:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:17:20,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674362905] [2020-11-07 04:17:20,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:17:20,407 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:17:20,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279571772] [2020-11-07 04:17:20,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:17:20,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:20,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:17:20,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:17:20,409 INFO L87 Difference]: Start difference. First operand 324 states and 348 transitions. Second operand 14 states. [2020-11-07 04:17:20,977 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:21,364 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:21,665 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:21,969 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:22,266 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:22,549 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:23,242 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:24,312 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:24,618 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:24,933 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:25,238 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:17:25,524 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:25,806 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:26,101 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:26,431 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:26,791 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:17:27,127 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:28,205 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:28,531 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:28,928 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:29,815 INFO L93 Difference]: Finished difference Result 933 states and 1113 transitions. [2020-11-07 04:17:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:17:29,816 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 190 [2020-11-07 04:17:29,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:29,826 INFO L225 Difference]: With dead ends: 933 [2020-11-07 04:17:29,827 INFO L226 Difference]: Without dead ends: 724 [2020-11-07 04:17:29,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:17:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2020-11-07 04:17:30,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 627. [2020-11-07 04:17:30,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-11-07 04:17:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 695 transitions. [2020-11-07 04:17:30,149 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 695 transitions. Word has length 190 [2020-11-07 04:17:30,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:30,150 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 695 transitions. [2020-11-07 04:17:30,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:17:30,150 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 695 transitions. [2020-11-07 04:17:30,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-07 04:17:30,161 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:30,163 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:17:30,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:17:30,164 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]=== [2020-11-07 04:17:30,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:30,164 INFO L82 PathProgramCache]: Analyzing trace with hash 120918056, now seen corresponding path program 1 times [2020-11-07 04:17:30,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:30,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [169137433] [2020-11-07 04:17:30,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,483 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:30,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-11-07 04:17:30,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:30,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:17:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:17:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-11-07 04:17:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-11-07 04:17:30,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:17:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:17:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 04:17:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-11-07 04:17:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-07 04:17:30,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [169137433] [2020-11-07 04:17:30,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:17:30,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:17:30,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231348737] [2020-11-07 04:17:30,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:17:30,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:30,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:17:30,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:17:30,724 INFO L87 Difference]: Start difference. First operand 627 states and 695 transitions. Second operand 11 states. [2020-11-07 04:17:32,069 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:32,385 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:32,722 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:17:33,026 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:33,345 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:33,638 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:17:34,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:34,515 INFO L93 Difference]: Finished difference Result 1120 states and 1284 transitions. [2020-11-07 04:17:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:17:34,516 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 243 [2020-11-07 04:17:34,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:34,520 INFO L225 Difference]: With dead ends: 1120 [2020-11-07 04:17:34,521 INFO L226 Difference]: Without dead ends: 608 [2020-11-07 04:17:34,523 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:17:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-11-07 04:17:34,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 546. [2020-11-07 04:17:34,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-11-07 04:17:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 600 transitions. [2020-11-07 04:17:34,749 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 600 transitions. Word has length 243 [2020-11-07 04:17:34,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:34,750 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 600 transitions. [2020-11-07 04:17:34,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:17:34,750 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 600 transitions. [2020-11-07 04:17:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-11-07 04:17:34,755 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:34,756 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:17:34,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:17:34,757 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]=== [2020-11-07 04:17:34,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:34,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1296143291, now seen corresponding path program 1 times [2020-11-07 04:17:34,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:34,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490429037] [2020-11-07 04:17:34,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,057 WARN L194 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:35,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:35,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:17:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:17:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:17:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:17:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-11-07 04:17:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:17:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 04:17:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-11-07 04:17:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-11-07 04:17:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-11-07 04:17:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-07 04:17:35,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490429037] [2020-11-07 04:17:35,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:17:35,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 04:17:35,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642604370] [2020-11-07 04:17:35,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:17:35,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:35,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:17:35,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:17:35,321 INFO L87 Difference]: Start difference. First operand 546 states and 600 transitions. Second operand 8 states. [2020-11-07 04:17:36,135 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:36,785 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:38,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:38,905 INFO L93 Difference]: Finished difference Result 1087 states and 1255 transitions. [2020-11-07 04:17:38,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-07 04:17:38,906 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 247 [2020-11-07 04:17:38,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:38,910 INFO L225 Difference]: With dead ends: 1087 [2020-11-07 04:17:38,911 INFO L226 Difference]: Without dead ends: 737 [2020-11-07 04:17:38,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:17:38,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2020-11-07 04:17:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 621. [2020-11-07 04:17:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 621 states. [2020-11-07 04:17:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 688 transitions. [2020-11-07 04:17:39,278 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 688 transitions. Word has length 247 [2020-11-07 04:17:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:39,279 INFO L481 AbstractCegarLoop]: Abstraction has 621 states and 688 transitions. [2020-11-07 04:17:39,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:17:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 688 transitions. [2020-11-07 04:17:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2020-11-07 04:17:39,282 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:39,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:17:39,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:17:39,283 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]=== [2020-11-07 04:17:39,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash 951440317, now seen corresponding path program 1 times [2020-11-07 04:17:39,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:39,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588950714] [2020-11-07 04:17:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,647 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:17:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:17:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:17:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:17:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:17:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:17:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:17:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:17:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:39,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:17:39,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:17:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-11-07 04:17:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:17:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:17:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:17:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 04:17:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-11-07 04:17:39,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:17:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-07 04:17:39,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588950714] [2020-11-07 04:17:39,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:17:39,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 04:17:39,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170512451] [2020-11-07 04:17:39,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:17:39,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:17:39,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:17:39,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:17:39,922 INFO L87 Difference]: Start difference. First operand 621 states and 688 transitions. Second operand 13 states. [2020-11-07 04:17:40,460 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:41,254 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:42,339 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:42,657 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:42,982 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:43,299 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:43,610 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:43,890 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:44,196 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:17:44,515 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:44,865 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:17:45,203 WARN L194 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:17:46,133 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:17:46,390 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:17:47,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:17:47,532 INFO L93 Difference]: Finished difference Result 1281 states and 1512 transitions. [2020-11-07 04:17:47,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:17:47,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 243 [2020-11-07 04:17:47,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:17:47,539 INFO L225 Difference]: With dead ends: 1281 [2020-11-07 04:17:47,540 INFO L226 Difference]: Without dead ends: 856 [2020-11-07 04:17:47,542 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 42 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2020-11-07 04:17:47,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-11-07 04:17:47,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 688. [2020-11-07 04:17:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 688 states. [2020-11-07 04:17:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 768 transitions. [2020-11-07 04:17:47,854 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 768 transitions. Word has length 243 [2020-11-07 04:17:47,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:17:47,855 INFO L481 AbstractCegarLoop]: Abstraction has 688 states and 768 transitions. [2020-11-07 04:17:47,855 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:17:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 768 transitions. [2020-11-07 04:17:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2020-11-07 04:17:47,858 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:17:47,858 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, 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] [2020-11-07 04:17:47,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:17:47,859 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]=== [2020-11-07 04:17:47,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:17:47,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1472480490, now seen corresponding path program 2 times [2020-11-07 04:17:47,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:17:47,860 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1765831784] [2020-11-07 04:17:47,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:17:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:17:47,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:17:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:17:48,036 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:17:48,435 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:17:48,435 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:17:48,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:17:48,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:17:48 BoogieIcfgContainer [2020-11-07 04:17:48,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:17:48,802 INFO L168 Benchmark]: Toolchain (without parser) took 48465.30 ms. Allocated memory was 151.0 MB in the beginning and 702.5 MB in the end (delta: 551.6 MB). Free memory was 126.3 MB in the beginning and 534.5 MB in the end (delta: -408.2 MB). Peak memory consumption was 144.3 MB. Max. memory is 8.0 GB. [2020-11-07 04:17:48,803 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:17:48,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.17 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 105.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:17:48,805 INFO L168 Benchmark]: Boogie Preprocessor took 126.52 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 101.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-07 04:17:48,809 INFO L168 Benchmark]: RCFGBuilder took 1143.53 ms. Allocated memory is still 151.0 MB. Free memory was 101.1 MB in the beginning and 77.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:17:48,812 INFO L168 Benchmark]: TraceAbstraction took 46650.13 ms. Allocated memory was 151.0 MB in the beginning and 702.5 MB in the end (delta: 551.6 MB). Free memory was 77.0 MB in the beginning and 534.5 MB in the end (delta: -457.5 MB). Peak memory consumption was 94.6 MB. Max. memory is 8.0 GB. [2020-11-07 04:17:48,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 531.17 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 105.3 MB in the end (delta: 20.6 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.52 ms. Allocated memory is still 151.0 MB. Free memory was 105.3 MB in the beginning and 101.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1143.53 ms. Allocated memory is still 151.0 MB. Free memory was 101.1 MB in the beginning and 77.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 55.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 46650.13 ms. Allocated memory was 151.0 MB in the beginning and 702.5 MB in the end (delta: 551.6 MB). Free memory was 77.0 MB in the beginning and 534.5 MB in the end (delta: -457.5 MB). Peak memory consumption was 94.6 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: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=166, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=178, head={0:0}, methaneLevelCritical=146, pumpRunning=136, systemActive=135, waterLevel=139] [L408] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=178, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=146, pumpRunning=136, systemActive=135, waterLevel=139] [L617] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=178, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=146, pumpRunning=136, systemActive=135, waterLevel=1] [L618] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=178, \old(head)=182, \old(head)=166, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L714] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=178, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L715] int systemActive = 1; VAL [\old(cleanupTimeShifts)=178, \old(head)=166, \old(head)=182, \old(methaneLevelCritical)=146, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L490] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L494] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L495] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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(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(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(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L496] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L496] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L498] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L500] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L501] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L480] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L548] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L549] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L550] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L551] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L552] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L555] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L557] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L559] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L565] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L567] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L569] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L635] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L636] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L575] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L577] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L585] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L587] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L600] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L722] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L729] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L731] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L754] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L848] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L850] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L697] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L700] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L704] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L705] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L854] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L854] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L856] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L859] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L861] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L862] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L756] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L758] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L760] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L779] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L760] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L731] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L737] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L877] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L878] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L882] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L688] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L691] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L692] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L882] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L882] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L884] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L737] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L600] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L557] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L559] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L565] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L567] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L575] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L577] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L585] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L587] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L600] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L722] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L724] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L623] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L624] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L724] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L729] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L731] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L751] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L754] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L769] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L731] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L737] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L877] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L878] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L882] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L691] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L692] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L882] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L882] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L884] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L737] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L600] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L557] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L559] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L565] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L567] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L575] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L577] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L585] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L587] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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] [L600] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L722] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L724] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L623] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L624] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L724] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L729] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L731] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L751] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L754] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L769] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L731] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L737] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L877] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L878] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L882] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L688] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L691] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L692] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L882] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L882] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L884] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L886] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L803] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L806] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L807] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L886] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L886] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L888] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L890] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L871] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product33.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 619 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 46.2s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 37.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2110 SDtfs, 3743 SDslu, 4506 SDs, 0 SdLazy, 8103 SolverSat, 1056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 244 SyntacticMatches, 10 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 582 ImplicationChecksByTransitivity, 20.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 665 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2024 NumberOfCodeBlocks, 2024 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1725 ConstructedInterpolants, 0 QuantifiedInterpolants, 825798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 6 PerfectInterpolantSequences, 102/110 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...