/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_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:06:05,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:06:05,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:06:05,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:06:05,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:06:05,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:06:05,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:06:05,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:06:05,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:06:05,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:06:05,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:06:05,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:06:05,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:06:05,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:06:05,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:06:05,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:06:05,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:06:05,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:06:05,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:06:05,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:06:05,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:06:05,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:06:05,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:06:05,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:06:05,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:06:05,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:06:05,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:06:05,575 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:06:05,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:06:05,580 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:06:05,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:06:05,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:06:05,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:06:05,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:06:05,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:06:05,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:06:05,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:06:05,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:06:05,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:06:05,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:06:05,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:06:05,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:06:05,606 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:06:05,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:06:05,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:06:05,612 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:06:05,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:06:05,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:06:05,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:06:05,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:06:05,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:06:05,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:06:05,615 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:06:05,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:06:05,616 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:06:05,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:06:05,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:06:05,616 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:06:05,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:06:05,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:06:05,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:06:05,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:06:05,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:06:05,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:06:05,618 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:06:06,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:06:06,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:06:06,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:06:06,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:06:06,081 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:06:06,082 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-10-24 00:06:06,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc389e8f/a81a4c1291d94af59bec265bd2271906/FLAG4f04aac8d [2020-10-24 00:06:06,852 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:06:06,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-10-24 00:06:06,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc389e8f/a81a4c1291d94af59bec265bd2271906/FLAG4f04aac8d [2020-10-24 00:06:07,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bc389e8f/a81a4c1291d94af59bec265bd2271906 [2020-10-24 00:06:07,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:06:07,176 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:06:07,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:06:07,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:06:07,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:06:07,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72180d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07, skipping insertion in model container [2020-10-24 00:06:07,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:06:07,274 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:06:07,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:06:07,616 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:06:07,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:06:07,751 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:06:07,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07 WrapperNode [2020-10-24 00:06:07,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:06:07,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:06:07,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:06:07,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:06:07,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... [2020-10-24 00:06:07,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:06:07,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:06:07,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:06:07,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:06:07,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:06:08,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:06:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:06:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:06:08,084 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-24 00:06:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-24 00:06:08,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:06:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:06:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:06:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:06:08,089 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:06:08,090 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:06:08,091 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-24 00:06:08,092 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:06:08,093 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:06:08,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:06:08,095 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:06:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:06:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:06:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:06:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:06:08,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:06:09,952 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:06:09,952 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:06:09,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:06:09 BoogieIcfgContainer [2020-10-24 00:06:09,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:06:09,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:06:09,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:06:09,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:06:09,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:06:07" (1/3) ... [2020-10-24 00:06:09,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ea5648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:06:09, skipping insertion in model container [2020-10-24 00:06:09,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:06:07" (2/3) ... [2020-10-24 00:06:09,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ea5648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:06:09, skipping insertion in model container [2020-10-24 00:06:09,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:06:09" (3/3) ... [2020-10-24 00:06:09,966 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2020-10-24 00:06:09,979 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:06:09,985 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:06:10,013 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:06:10,059 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:06:10,059 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:06:10,059 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:06:10,059 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:06:10,059 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:06:10,060 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:06:10,060 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:06:10,060 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:06:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states. [2020-10-24 00:06:10,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-24 00:06:10,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:10,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:10,113 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:06:10,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:10,120 INFO L82 PathProgramCache]: Analyzing trace with hash -35628097, now seen corresponding path program 1 times [2020-10-24 00:06:10,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:10,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270266642] [2020-10-24 00:06:10,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,286 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:11,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:06:11,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:06:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:11,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:06:11,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270266642] [2020-10-24 00:06:11,503 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:06:11,503 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 00:06:11,504 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236980430] [2020-10-24 00:06:11,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 00:06:11,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:11,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 00:06:11,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 00:06:11,528 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 3 states. [2020-10-24 00:06:14,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:14,466 INFO L93 Difference]: Finished difference Result 521 states and 620 transitions. [2020-10-24 00:06:14,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 00:06:14,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-10-24 00:06:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:14,488 INFO L225 Difference]: With dead ends: 521 [2020-10-24 00:06:14,488 INFO L226 Difference]: Without dead ends: 321 [2020-10-24 00:06:14,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 00:06:14,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-10-24 00:06:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 276. [2020-10-24 00:06:14,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-10-24 00:06:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 301 transitions. [2020-10-24 00:06:14,690 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 301 transitions. Word has length 148 [2020-10-24 00:06:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:14,693 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 301 transitions. [2020-10-24 00:06:14,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 00:06:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 301 transitions. [2020-10-24 00:06:14,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-24 00:06:14,710 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:14,711 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:14,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:06:14,715 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:06:14,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1416708451, now seen corresponding path program 1 times [2020-10-24 00:06:14,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:14,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637228025] [2020-10-24 00:06:14,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,621 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:15,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:06:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-24 00:06:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:06:15,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637228025] [2020-10-24 00:06:15,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:06:15,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:06:15,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245575902] [2020-10-24 00:06:15,731 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:06:15,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:15,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:06:15,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:06:15,732 INFO L87 Difference]: Start difference. First operand 276 states and 301 transitions. Second operand 4 states. [2020-10-24 00:06:17,174 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:19,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:19,415 INFO L93 Difference]: Finished difference Result 429 states and 483 transitions. [2020-10-24 00:06:19,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-24 00:06:19,416 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-10-24 00:06:19,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:19,422 INFO L225 Difference]: With dead ends: 429 [2020-10-24 00:06:19,422 INFO L226 Difference]: Without dead ends: 304 [2020-10-24 00:06:19,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:06:19,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-24 00:06:19,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 266. [2020-10-24 00:06:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-24 00:06:19,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 288 transitions. [2020-10-24 00:06:19,566 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 288 transitions. Word has length 149 [2020-10-24 00:06:19,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:19,567 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 288 transitions. [2020-10-24 00:06:19,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:06:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 288 transitions. [2020-10-24 00:06:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-24 00:06:19,570 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:19,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:06:19,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:06:19,571 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:06:19,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:19,572 INFO L82 PathProgramCache]: Analyzing trace with hash -2033151781, now seen corresponding path program 1 times [2020-10-24 00:06:19,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:19,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408919023] [2020-10-24 00:06:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,458 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:20,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:06:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-24 00:06:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:06:20,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408919023] [2020-10-24 00:06:20,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:06:20,715 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-24 00:06:20,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884338426] [2020-10-24 00:06:20,716 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-24 00:06:20,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:20,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-24 00:06:20,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-24 00:06:20,717 INFO L87 Difference]: Start difference. First operand 266 states and 288 transitions. Second operand 9 states. [2020-10-24 00:06:21,964 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:22,990 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:23,861 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:24,744 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:25,597 WARN L193 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:26,460 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:28,504 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:33,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:06:33,431 INFO L93 Difference]: Finished difference Result 704 states and 810 transitions. [2020-10-24 00:06:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:06:33,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-10-24 00:06:33,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:06:33,441 INFO L225 Difference]: With dead ends: 704 [2020-10-24 00:06:33,441 INFO L226 Difference]: Without dead ends: 553 [2020-10-24 00:06:33,444 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:06:33,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-10-24 00:06:33,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 480. [2020-10-24 00:06:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-10-24 00:06:33,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 538 transitions. [2020-10-24 00:06:33,655 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 538 transitions. Word has length 158 [2020-10-24 00:06:33,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:06:33,656 INFO L481 AbstractCegarLoop]: Abstraction has 480 states and 538 transitions. [2020-10-24 00:06:33,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-24 00:06:33,656 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 538 transitions. [2020-10-24 00:06:33,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:06:33,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:06:33,661 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] [2020-10-24 00:06:33,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:06:33,662 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:06:33,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:06:33,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1861448144, now seen corresponding path program 1 times [2020-10-24 00:06:33,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:06:33,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294731700] [2020-10-24 00:06:33,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:06:33,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,633 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:06:34,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:06:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:06:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:06:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:06:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:06:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:06:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:06:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:06:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:06:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:06:34,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294731700] [2020-10-24 00:06:34,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:06:34,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:06:34,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720338566] [2020-10-24 00:06:34,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:06:34,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:06:34,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:06:34,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:06:34,914 INFO L87 Difference]: Start difference. First operand 480 states and 538 transitions. Second operand 14 states. [2020-10-24 00:06:36,142 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:37,174 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:38,005 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:38,861 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:39,716 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:40,536 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:42,051 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:06:44,710 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:45,714 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:46,878 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:47,792 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:06:48,612 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:06:49,398 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:06:50,258 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:06:51,132 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:51,925 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:06:53,077 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:54,082 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:06:54,942 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:06:55,957 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:00,713 INFO L93 Difference]: Finished difference Result 1667 states and 2086 transitions. [2020-10-24 00:07:00,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-24 00:07:00,714 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 167 [2020-10-24 00:07:00,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:00,725 INFO L225 Difference]: With dead ends: 1667 [2020-10-24 00:07:00,726 INFO L226 Difference]: Without dead ends: 1302 [2020-10-24 00:07:00,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-10-24 00:07:00,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-10-24 00:07:01,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1163. [2020-10-24 00:07:01,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2020-10-24 00:07:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1375 transitions. [2020-10-24 00:07:01,282 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1375 transitions. Word has length 167 [2020-10-24 00:07:01,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:01,282 INFO L481 AbstractCegarLoop]: Abstraction has 1163 states and 1375 transitions. [2020-10-24 00:07:01,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:07:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1375 transitions. [2020-10-24 00:07:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-24 00:07:01,288 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:01,289 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] [2020-10-24 00:07:01,289 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:07:01,289 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:07:01,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:01,290 INFO L82 PathProgramCache]: Analyzing trace with hash 362256202, now seen corresponding path program 1 times [2020-10-24 00:07:01,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:01,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812169349] [2020-10-24 00:07:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:01,999 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:07:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:07:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:07:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:07:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:07:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:07:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-24 00:07:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:07:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:07:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-24 00:07:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:02,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 00:07:02,154 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812169349] [2020-10-24 00:07:02,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:07:02,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-24 00:07:02,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269631947] [2020-10-24 00:07:02,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 00:07:02,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:07:02,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 00:07:02,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 00:07:02,159 INFO L87 Difference]: Start difference. First operand 1163 states and 1375 transitions. Second operand 6 states. [2020-10-24 00:07:03,297 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:08,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:08,086 INFO L93 Difference]: Finished difference Result 2742 states and 3408 transitions. [2020-10-24 00:07:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-24 00:07:08,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-10-24 00:07:08,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:08,106 INFO L225 Difference]: With dead ends: 2742 [2020-10-24 00:07:08,107 INFO L226 Difference]: Without dead ends: 1694 [2020-10-24 00:07:08,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:07:08,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-10-24 00:07:08,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1570. [2020-10-24 00:07:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-10-24 00:07:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1832 transitions. [2020-10-24 00:07:08,752 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1832 transitions. Word has length 172 [2020-10-24 00:07:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:08,753 INFO L481 AbstractCegarLoop]: Abstraction has 1570 states and 1832 transitions. [2020-10-24 00:07:08,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 00:07:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1832 transitions. [2020-10-24 00:07:08,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-10-24 00:07:08,757 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:08,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:07:08,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:07:08,759 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:07:08,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:08,759 INFO L82 PathProgramCache]: Analyzing trace with hash 151260184, now seen corresponding path program 1 times [2020-10-24 00:07:08,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:08,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [121790445] [2020-10-24 00:07:08,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,566 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:07:09,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:07:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:07:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:07:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:07:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:07:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:07:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:07:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:07:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-24 00:07:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-24 00:07:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-24 00:07:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-24 00:07:09,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [121790445] [2020-10-24 00:07:09,824 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:07:09,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 00:07:09,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693779663] [2020-10-24 00:07:09,825 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:07:09,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:07:09,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:07:09,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:07:09,827 INFO L87 Difference]: Start difference. First operand 1570 states and 1832 transitions. Second operand 11 states. [2020-10-24 00:07:11,026 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:15,199 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:16,017 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:07:16,842 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:17,664 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:07:18,463 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:20,638 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:21,452 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:22,505 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:07:24,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:24,113 INFO L93 Difference]: Finished difference Result 1735 states and 2078 transitions. [2020-10-24 00:07:24,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-24 00:07:24,118 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-10-24 00:07:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:24,129 INFO L225 Difference]: With dead ends: 1735 [2020-10-24 00:07:24,129 INFO L226 Difference]: Without dead ends: 1731 [2020-10-24 00:07:24,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-10-24 00:07:24,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-10-24 00:07:24,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1579. [2020-10-24 00:07:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2020-10-24 00:07:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 1840 transitions. [2020-10-24 00:07:24,815 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 1840 transitions. Word has length 211 [2020-10-24 00:07:24,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:24,815 INFO L481 AbstractCegarLoop]: Abstraction has 1579 states and 1840 transitions. [2020-10-24 00:07:24,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:07:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1840 transitions. [2020-10-24 00:07:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-10-24 00:07:24,827 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:24,828 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-24 00:07:24,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:07:24,828 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:07:24,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:24,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1677856329, now seen corresponding path program 1 times [2020-10-24 00:07:24,829 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:24,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145575630] [2020-10-24 00:07:24,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,610 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:07:25,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:07:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:07:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:07:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:07:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:07:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:07:25,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-24 00:07:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:07:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:07:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:07:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-24 00:07:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-24 00:07:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:07:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:07:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:07:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-24 00:07:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-10-24 00:07:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-10-24 00:07:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:07:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:07:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:07:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-10-24 00:07:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:25,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-10-24 00:07:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:26,174 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 51 proven. 42 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-10-24 00:07:26,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145575630] [2020-10-24 00:07:26,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:07:26,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-24 00:07:26,174 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485710263] [2020-10-24 00:07:26,177 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-24 00:07:26,177 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:07:26,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-24 00:07:26,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-24 00:07:26,178 INFO L87 Difference]: Start difference. First operand 1579 states and 1840 transitions. Second operand 12 states. [2020-10-24 00:07:28,507 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:29,611 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:30,454 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:07:31,264 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:32,117 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:33,014 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:07:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:36,445 INFO L93 Difference]: Finished difference Result 2427 states and 2926 transitions. [2020-10-24 00:07:36,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 00:07:36,446 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 402 [2020-10-24 00:07:36,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:36,452 INFO L225 Difference]: With dead ends: 2427 [2020-10-24 00:07:36,452 INFO L226 Difference]: Without dead ends: 858 [2020-10-24 00:07:36,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:07:36,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-24 00:07:36,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 761. [2020-10-24 00:07:36,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2020-10-24 00:07:36,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 863 transitions. [2020-10-24 00:07:36,800 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 863 transitions. Word has length 402 [2020-10-24 00:07:36,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:36,801 INFO L481 AbstractCegarLoop]: Abstraction has 761 states and 863 transitions. [2020-10-24 00:07:36,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-24 00:07:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 863 transitions. [2020-10-24 00:07:36,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-10-24 00:07:36,809 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:36,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:07:36,809 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:07:36,810 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:07:36,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:36,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1171444547, now seen corresponding path program 1 times [2020-10-24 00:07:36,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:36,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1891815756] [2020-10-24 00:07:36,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,588 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:07:37,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:07:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:07:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:07:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:07:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:07:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:07:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:07:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:07:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:07:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:07:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-24 00:07:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-24 00:07:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-24 00:07:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-24 00:07:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:07:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-24 00:07:37,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-10-24 00:07:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:37,960 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-24 00:07:37,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1891815756] [2020-10-24 00:07:37,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:07:37,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-24 00:07:37,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413619142] [2020-10-24 00:07:37,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-24 00:07:37,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:07:37,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-24 00:07:37,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-24 00:07:37,963 INFO L87 Difference]: Start difference. First operand 761 states and 863 transitions. Second operand 8 states. [2020-10-24 00:07:39,549 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:40,965 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:07:47,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:47,049 INFO L93 Difference]: Finished difference Result 1685 states and 2023 transitions. [2020-10-24 00:07:47,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-24 00:07:47,050 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 297 [2020-10-24 00:07:47,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:47,058 INFO L225 Difference]: With dead ends: 1685 [2020-10-24 00:07:47,058 INFO L226 Difference]: Without dead ends: 1208 [2020-10-24 00:07:47,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:07:47,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-10-24 00:07:47,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1032. [2020-10-24 00:07:47,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2020-10-24 00:07:47,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1179 transitions. [2020-10-24 00:07:47,596 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1179 transitions. Word has length 297 [2020-10-24 00:07:47,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:47,597 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1179 transitions. [2020-10-24 00:07:47,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-24 00:07:47,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1179 transitions. [2020-10-24 00:07:47,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-24 00:07:47,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:47,601 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:07:47,601 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:07:47,601 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:07:47,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:47,602 INFO L82 PathProgramCache]: Analyzing trace with hash 316181542, now seen corresponding path program 1 times [2020-10-24 00:07:47,602 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:47,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1237458587] [2020-10-24 00:07:47,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,331 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:07:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:07:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:07:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:07:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:07:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:07:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:07:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:07:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:07:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:07:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:07:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-24 00:07:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-24 00:07:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:07:48,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:48,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:07:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-24 00:07:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-24 00:07:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:48,750 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-24 00:07:48,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1237458587] [2020-10-24 00:07:48,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:07:48,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-24 00:07:48,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075985846] [2020-10-24 00:07:48,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-24 00:07:48,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:07:48,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-24 00:07:48,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-24 00:07:48,752 INFO L87 Difference]: Start difference. First operand 1032 states and 1179 transitions. Second operand 11 states. [2020-10-24 00:07:51,265 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:07:52,117 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:07:53,017 WARN L193 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:07:53,871 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:07:54,722 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:07:55,521 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:07:58,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:07:58,201 INFO L93 Difference]: Finished difference Result 2097 states and 2509 transitions. [2020-10-24 00:07:58,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:07:58,203 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 293 [2020-10-24 00:07:58,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:07:58,210 INFO L225 Difference]: With dead ends: 2097 [2020-10-24 00:07:58,210 INFO L226 Difference]: Without dead ends: 1180 [2020-10-24 00:07:58,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:07:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-10-24 00:07:58,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1056. [2020-10-24 00:07:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-10-24 00:07:58,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1205 transitions. [2020-10-24 00:07:58,798 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1205 transitions. Word has length 293 [2020-10-24 00:07:58,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:07:58,799 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1205 transitions. [2020-10-24 00:07:58,799 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-24 00:07:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1205 transitions. [2020-10-24 00:07:58,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-10-24 00:07:58,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:07:58,804 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:07:58,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:07:58,804 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:07:58,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:07:58,804 INFO L82 PathProgramCache]: Analyzing trace with hash -192540016, now seen corresponding path program 1 times [2020-10-24 00:07:58,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:07:58,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906582459] [2020-10-24 00:07:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:07:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,571 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:07:59,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:07:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:07:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:07:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:07:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:07:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:07:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:07:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:07:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:07:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:59,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:59,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:07:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-24 00:07:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:59,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-24 00:07:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-24 00:07:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-24 00:07:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:07:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:07:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:07:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-24 00:07:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-10-24 00:07:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:07:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-24 00:07:59,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906582459] [2020-10-24 00:07:59,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:07:59,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-24 00:07:59,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86534499] [2020-10-24 00:07:59,991 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:07:59,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:07:59,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:07:59,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:07:59,992 INFO L87 Difference]: Start difference. First operand 1056 states and 1205 transitions. Second operand 14 states. [2020-10-24 00:08:01,322 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:08:02,119 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:08:02,905 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:08:03,680 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:08:04,421 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:08:06,167 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:08:06,927 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:08:07,714 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:08:08,514 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:08:09,272 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:08:12,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:08:12,282 INFO L93 Difference]: Finished difference Result 1769 states and 2073 transitions. [2020-10-24 00:08:12,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:08:12,283 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 298 [2020-10-24 00:08:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:08:12,289 INFO L225 Difference]: With dead ends: 1769 [2020-10-24 00:08:12,289 INFO L226 Difference]: Without dead ends: 828 [2020-10-24 00:08:12,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:08:12,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-24 00:08:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 762. [2020-10-24 00:08:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-10-24 00:08:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 848 transitions. [2020-10-24 00:08:12,659 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 848 transitions. Word has length 298 [2020-10-24 00:08:12,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:08:12,659 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 848 transitions. [2020-10-24 00:08:12,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:08:12,659 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 848 transitions. [2020-10-24 00:08:12,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-24 00:08:12,663 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:08:12,663 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:08:12,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:08:12,663 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:08:12,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:08:12,664 INFO L82 PathProgramCache]: Analyzing trace with hash -916903485, now seen corresponding path program 1 times [2020-10-24 00:08:12,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:08:12,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944077266] [2020-10-24 00:08:12,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:08:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,439 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-24 00:08:13,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:08:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-24 00:08:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-24 00:08:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-24 00:08:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-24 00:08:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-24 00:08:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-24 00:08:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:08:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:08:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:08:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:08:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:08:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:08:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:08:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:08:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-24 00:08:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:08:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-24 00:08:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-24 00:08:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:08:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:08:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:08:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:08:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-10-24 00:08:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-10-24 00:08:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:08:13,833 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-24 00:08:13,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944077266] [2020-10-24 00:08:13,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:08:13,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-24 00:08:13,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649020844] [2020-10-24 00:08:13,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:08:13,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:08:13,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:08:13,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:08:13,836 INFO L87 Difference]: Start difference. First operand 762 states and 848 transitions. Second operand 13 states. [2020-10-24 00:08:14,926 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:08:16,578 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:08:18,775 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:08:19,564 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:08:20,446 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:08:21,240 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:08:22,010 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:08:22,790 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:08:23,546 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:08:24,409 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:08:25,282 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:08:26,059 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:08:29,127 WARN L193 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-24 00:08:29,875 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-24 00:08:31,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:08:31,716 INFO L93 Difference]: Finished difference Result 1616 states and 1912 transitions. [2020-10-24 00:08:31,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-24 00:08:31,718 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 293 [2020-10-24 00:08:31,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:08:31,724 INFO L225 Difference]: With dead ends: 1616 [2020-10-24 00:08:31,724 INFO L226 Difference]: Without dead ends: 1055 [2020-10-24 00:08:31,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=363, Invalid=897, Unknown=0, NotChecked=0, Total=1260 [2020-10-24 00:08:31,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-10-24 00:08:32,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 875. [2020-10-24 00:08:32,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-10-24 00:08:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 984 transitions. [2020-10-24 00:08:32,188 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 984 transitions. Word has length 293 [2020-10-24 00:08:32,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:08:32,189 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 984 transitions. [2020-10-24 00:08:32,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:08:32,189 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 984 transitions. [2020-10-24 00:08:32,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-10-24 00:08:32,192 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:08:32,193 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-24 00:08:32,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:08:32,193 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 00:08:32,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:08:32,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1496744273, now seen corresponding path program 2 times [2020-10-24 00:08:32,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:08:32,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1506543606] [2020-10-24 00:08:32,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:08:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:08:32,275 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:08:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 00:08:32,351 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 00:08:32,841 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-24 00:08:32,841 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 00:08:32,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:08:33,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 12:08:33 BoogieIcfgContainer [2020-10-24 00:08:33,280 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 00:08:33,285 INFO L168 Benchmark]: Toolchain (without parser) took 146110.83 ms. Allocated memory was 151.0 MB in the beginning and 792.7 MB in the end (delta: 641.7 MB). Free memory was 126.5 MB in the beginning and 353.4 MB in the end (delta: -226.9 MB). Peak memory consumption was 415.8 MB. Max. memory is 8.0 GB. [2020-10-24 00:08:33,285 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-24 00:08:33,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 575.57 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 104.7 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-24 00:08:33,290 INFO L168 Benchmark]: Boogie Preprocessor took 168.76 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 100.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-24 00:08:33,295 INFO L168 Benchmark]: RCFGBuilder took 2015.05 ms. Allocated memory is still 151.0 MB. Free memory was 133.4 MB in the beginning and 88.4 MB in the end (delta: 45.1 MB). Peak memory consumption was 65.5 MB. Max. memory is 8.0 GB. [2020-10-24 00:08:33,296 INFO L168 Benchmark]: TraceAbstraction took 143321.00 ms. Allocated memory was 151.0 MB in the beginning and 792.7 MB in the end (delta: 641.7 MB). Free memory was 87.9 MB in the beginning and 353.4 MB in the end (delta: -265.6 MB). Peak memory consumption was 376.2 MB. Max. memory is 8.0 GB. [2020-10-24 00:08:33,298 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 126.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 575.57 ms. Allocated memory is still 151.0 MB. Free memory was 125.9 MB in the beginning and 104.7 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 168.76 ms. Allocated memory is still 151.0 MB. Free memory was 104.7 MB in the beginning and 100.7 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2015.05 ms. Allocated memory is still 151.0 MB. Free memory was 133.4 MB in the beginning and 88.4 MB in the end (delta: 45.1 MB). Peak memory consumption was 65.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 143321.00 ms. Allocated memory was 151.0 MB in the beginning and 792.7 MB in the end (delta: 641.7 MB). Free memory was 87.9 MB in the beginning and 353.4 MB in the end (delta: -265.6 MB). Peak memory consumption was 376.2 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: [L42] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=150, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=150, pumpRunning=139, systemActive=138, waterLevel=142] [L221] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=150, pumpRunning=0, systemActive=138, waterLevel=142] [L222] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=150, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={182:171}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=142] [L601] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=142] [L870] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=171, \old(methaneLevelCritical)=150, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=150, pumpRunning=0, systemActive=1, waterLevel=1] [L871] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=171, \old(head)=182, \old(methaneLevelCritical)=150, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L861] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L865] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L148] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L149] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L150] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L151] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L152] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L155] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L157] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L159] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L167] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L169] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L888] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L889] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L169] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L175] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L177] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L185] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L187] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L202] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L229] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L238] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L284] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L287] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L258] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L261] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L398] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L399] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L400] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L404] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L950] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L953] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L957] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L958] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L404] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L404] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L406] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L409] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L411] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L412] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L263] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L263] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L265] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L267] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L317] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L342] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L346] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L909] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L912] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L913] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L346] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L346] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L348] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L321] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L323] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L327] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L312] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L327] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L267] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L302] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L238] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L244] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L801] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L802] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L806] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L941] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L944] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L945] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L806] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L806] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L808] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L244] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L202] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L157] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L159] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L165] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L167] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L175] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L177] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L185] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L187] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L202] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L229] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L231] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L876] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L877] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L236] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L238] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L284] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L287] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L289] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L342] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L346] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L909] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L912] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L913] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L346] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L346] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L348] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L289] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L289] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L291] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L297] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L258] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L261] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L276] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L297] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L238] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L244] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L801] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L802] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L806] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L941] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L944] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L945] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L806] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L806] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L808] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L244] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L202] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L157] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L159] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L165] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L167] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L175] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L177] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L185] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L187] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L202] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L876] COND TRUE waterLevel > 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L877] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L236] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L238] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L284] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L287] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L289] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L342] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L346] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L909] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L912] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L913] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L346] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L346] retValue_acc = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L348] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L289] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L289] tmp = isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L291] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L297] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L258] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L261] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L276] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L297] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L238] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L244] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L801] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L802] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L806] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L941] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L944] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L945] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L806] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L806] tmp = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L808] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L810] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L353] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L356] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L357] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L810] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L810] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L812] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L814] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L830] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L3] __assert_fail("0", "minepump_spec4_product47.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 646 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 142.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 124.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3003 SDtfs, 7525 SDslu, 6199 SDs, 0 SdLazy, 13820 SolverSat, 2515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 639 GetRequests, 434 SyntacticMatches, 12 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 69.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1579occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 11 MinimizatonAttempts, 1214 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 2951 NumberOfCodeBlocks, 2951 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2577 ConstructedInterpolants, 0 QuantifiedInterpolants, 1438878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 410/471 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...