/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 0.2.0-7d8eed3 [2020-11-07 04:18:35,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:18:35,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:18:36,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:18:36,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:18:36,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:18:36,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:18:36,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:18:36,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:18:36,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:18:36,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:18:36,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:18:36,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:18:36,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:18:36,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:18:36,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:18:36,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:18:36,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:18:36,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:18:36,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:18:36,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:18:36,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:18:36,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:18:36,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:18:36,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:18:36,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:18:36,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:18:36,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:18:36,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:18:36,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:18:36,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:18:36,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:18:36,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:18:36,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:18:36,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:18:36,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:18:36,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:18:36,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:18:36,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:18:36,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:18:36,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:18:36,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:18:36,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:18:36,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:18:36,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:18:36,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:18:36,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:18:36,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:18:36,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:18:36,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:18:36,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:18:36,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:18:36,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:18:36,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:18:36,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:18:36,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:18:36,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:18:36,131 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:18:36,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:18:36,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:18:36,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:18:36,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:18:36,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:18:36,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:18:36,133 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:18:36,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:18:36,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:18:36,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:18:36,580 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:18:36,580 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:18:36,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-11-07 04:18:36,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aeb9f3a2/19ef773570904df09e53fc7231cb4dd9/FLAGc1f939efc [2020-11-07 04:18:37,344 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:18:37,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2020-11-07 04:18:37,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aeb9f3a2/19ef773570904df09e53fc7231cb4dd9/FLAGc1f939efc [2020-11-07 04:18:37,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aeb9f3a2/19ef773570904df09e53fc7231cb4dd9 [2020-11-07 04:18:37,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:18:37,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:18:37,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:18:37,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:18:37,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:18:37,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:37" (1/1) ... [2020-11-07 04:18:37,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d52fbb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:37, skipping insertion in model container [2020-11-07 04:18:37,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:18:37" (1/1) ... [2020-11-07 04:18:37,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:18:37,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:18:38,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:18:38,088 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:18:38,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:18:38,302 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:18:38,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38 WrapperNode [2020-11-07 04:18:38,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:18:38,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:18:38,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:18:38,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:18:38,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,438 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... [2020-11-07 04:18:38,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:18:38,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:18:38,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:18:38,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:18:38,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:18:38,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:18:38,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:18:38,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:18:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:18:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:18:38,604 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:18:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:18:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:18:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:18:38,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:18:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:18:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:18:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:18:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:18:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:18:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:18:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:18:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:18:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:18:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:18:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:18:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:18:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:18:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:18:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:18:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:18:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:18:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:18:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:18:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:18:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:18:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:18:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:18:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:18:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:18:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:18:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:18:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:18:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:18:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:18:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:18:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:18:38,617 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:18:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:18:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:18:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:18:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:18:38,618 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:18:38,619 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:18:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:18:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:18:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:18:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:18:38,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:18:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:18:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:18:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:18:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:18:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:18:38,621 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:18:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:18:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:18:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-11-07 04:18:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:18:38,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:18:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:18:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:18:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:18:38,623 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:18:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:18:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:18:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:18:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:18:38,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:18:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:18:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:18:38,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:18:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:18:38,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:18:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:18:38,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:18:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:18:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:18:38,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:18:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:18:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:18:38,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:18:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:18:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:18:38,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:18:39,867 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:18:39,867 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:18:39,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:39 BoogieIcfgContainer [2020-11-07 04:18:39,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:18:39,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:18:39,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:18:39,876 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:18:39,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:18:37" (1/3) ... [2020-11-07 04:18:39,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9e00e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:39, skipping insertion in model container [2020-11-07 04:18:39,877 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:18:38" (2/3) ... [2020-11-07 04:18:39,877 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9e00e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:18:39, skipping insertion in model container [2020-11-07 04:18:39,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:18:39" (3/3) ... [2020-11-07 04:18:39,879 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2020-11-07 04:18:39,896 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:18:39,900 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:18:39,910 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:18:39,947 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:18:39,947 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:18:39,947 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:18:39,947 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:18:39,947 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:18:39,948 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:18:39,948 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:18:39,948 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:18:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states. [2020-11-07 04:18:39,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-07 04:18:39,994 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:39,995 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:39,996 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:18:40,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:40,003 INFO L82 PathProgramCache]: Analyzing trace with hash -35628097, now seen corresponding path program 1 times [2020-11-07 04:18:40,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:40,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003828064] [2020-11-07 04:18:40,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:40,876 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:40,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:40,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:40,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:18:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:18:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:41,066 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003828064] [2020-11-07 04:18:41,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:41,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-07 04:18:41,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785703030] [2020-11-07 04:18:41,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-07 04:18:41,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:41,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-07 04:18:41,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:18:41,102 INFO L87 Difference]: Start difference. First operand 330 states. Second operand 3 states. [2020-11-07 04:18:43,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:43,165 INFO L93 Difference]: Finished difference Result 521 states and 620 transitions. [2020-11-07 04:18:43,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-07 04:18:43,168 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2020-11-07 04:18:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:43,189 INFO L225 Difference]: With dead ends: 521 [2020-11-07 04:18:43,189 INFO L226 Difference]: Without dead ends: 321 [2020-11-07 04:18:43,195 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-07 04:18:43,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2020-11-07 04:18:43,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 276. [2020-11-07 04:18:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2020-11-07 04:18:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 301 transitions. [2020-11-07 04:18:43,393 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 301 transitions. Word has length 148 [2020-11-07 04:18:43,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:43,394 INFO L481 AbstractCegarLoop]: Abstraction has 276 states and 301 transitions. [2020-11-07 04:18:43,394 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-07 04:18:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 301 transitions. [2020-11-07 04:18:43,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-07 04:18:43,399 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:43,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:43,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:18:43,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:18:43,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:43,401 INFO L82 PathProgramCache]: Analyzing trace with hash 1416708451, now seen corresponding path program 1 times [2020-11-07 04:18:43,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:43,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1332872508] [2020-11-07 04:18:43,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,831 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:43,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:43,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:18:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-11-07 04:18:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:43,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1332872508] [2020-11-07 04:18:43,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:43,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:18:43,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130510749] [2020-11-07 04:18:43,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:18:43,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:43,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:18:43,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:18:43,963 INFO L87 Difference]: Start difference. First operand 276 states and 301 transitions. Second operand 4 states. [2020-11-07 04:18:44,810 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:46,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:46,233 INFO L93 Difference]: Finished difference Result 429 states and 483 transitions. [2020-11-07 04:18:46,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-07 04:18:46,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2020-11-07 04:18:46,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:46,241 INFO L225 Difference]: With dead ends: 429 [2020-11-07 04:18:46,241 INFO L226 Difference]: Without dead ends: 304 [2020-11-07 04:18:46,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:18:46,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-11-07 04:18:46,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 266. [2020-11-07 04:18:46,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-11-07 04:18:46,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 288 transitions. [2020-11-07 04:18:46,358 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 288 transitions. Word has length 149 [2020-11-07 04:18:46,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:46,359 INFO L481 AbstractCegarLoop]: Abstraction has 266 states and 288 transitions. [2020-11-07 04:18:46,359 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:18:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 288 transitions. [2020-11-07 04:18:46,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-11-07 04:18:46,362 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:46,363 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:18:46,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:18:46,363 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:18:46,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:46,364 INFO L82 PathProgramCache]: Analyzing trace with hash -2033151781, now seen corresponding path program 1 times [2020-11-07 04:18:46,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:46,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443972886] [2020-11-07 04:18:46,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:46,889 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:46,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:46,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:46,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:46,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:18:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-11-07 04:18:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:47,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:47,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [443972886] [2020-11-07 04:18:47,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:47,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-11-07 04:18:47,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864554561] [2020-11-07 04:18:47,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-07 04:18:47,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:47,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-07 04:18:47,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-11-07 04:18:47,076 INFO L87 Difference]: Start difference. First operand 266 states and 288 transitions. Second operand 9 states. [2020-11-07 04:18:47,832 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:48,371 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:48,771 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:49,222 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:49,666 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:50,093 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:51,510 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:18:54,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:18:54,568 INFO L93 Difference]: Finished difference Result 704 states and 810 transitions. [2020-11-07 04:18:54,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:18:54,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2020-11-07 04:18:54,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:18:54,578 INFO L225 Difference]: With dead ends: 704 [2020-11-07 04:18:54,578 INFO L226 Difference]: Without dead ends: 553 [2020-11-07 04:18:54,581 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:18:54,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2020-11-07 04:18:54,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 480. [2020-11-07 04:18:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2020-11-07 04:18:54,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 538 transitions. [2020-11-07 04:18:54,851 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 538 transitions. Word has length 158 [2020-11-07 04:18:54,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:18:54,853 INFO L481 AbstractCegarLoop]: Abstraction has 480 states and 538 transitions. [2020-11-07 04:18:54,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-07 04:18:54,853 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 538 transitions. [2020-11-07 04:18:54,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:18:54,857 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:18:54,857 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] [2020-11-07 04:18:54,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:18:54,858 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:18:54,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:18:54,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1861448144, now seen corresponding path program 1 times [2020-11-07 04:18:54,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:18:54,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923651197] [2020-11-07 04:18:54,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:18:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,357 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:18:55,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:18:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:18:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:18:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:18:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:18:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:18:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:18:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:18:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:18:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:18:55,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923651197] [2020-11-07 04:18:55,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:18:55,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:18:55,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678270240] [2020-11-07 04:18:55,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:18:55,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:18:55,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:18:55,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:18:55,619 INFO L87 Difference]: Start difference. First operand 480 states and 538 transitions. Second operand 14 states. [2020-11-07 04:18:56,320 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:18:56,841 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:18:57,264 WARN L194 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:18:57,651 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:58,039 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:18:58,429 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:18:59,248 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:00,951 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:01,470 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:02,075 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:02,536 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:02,991 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:19:03,365 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:03,753 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:04,161 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:04,550 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:05,108 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:05,628 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:19:06,057 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:06,556 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:09,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:09,452 INFO L93 Difference]: Finished difference Result 1667 states and 2086 transitions. [2020-11-07 04:19:09,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-11-07 04:19:09,452 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 167 [2020-11-07 04:19:09,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:09,464 INFO L225 Difference]: With dead ends: 1667 [2020-11-07 04:19:09,464 INFO L226 Difference]: Without dead ends: 1302 [2020-11-07 04:19:09,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=252, Invalid=1008, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:19:09,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2020-11-07 04:19:10,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1163. [2020-11-07 04:19:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2020-11-07 04:19:10,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1375 transitions. [2020-11-07 04:19:10,027 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1375 transitions. Word has length 167 [2020-11-07 04:19:10,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:10,028 INFO L481 AbstractCegarLoop]: Abstraction has 1163 states and 1375 transitions. [2020-11-07 04:19:10,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:19:10,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1375 transitions. [2020-11-07 04:19:10,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-11-07 04:19:10,033 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:10,033 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] [2020-11-07 04:19:10,034 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:19:10,034 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:19:10,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:10,035 INFO L82 PathProgramCache]: Analyzing trace with hash 362256202, now seen corresponding path program 1 times [2020-11-07 04:19:10,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:10,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233616864] [2020-11-07 04:19:10,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,815 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:10,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:10,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-11-07 04:19:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:19:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:19:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-11-07 04:19:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:10,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-07 04:19:10,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233616864] [2020-11-07 04:19:10,961 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:19:10,961 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-07 04:19:10,961 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068927347] [2020-11-07 04:19:10,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-07 04:19:10,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:10,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-07 04:19:10,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-07 04:19:10,965 INFO L87 Difference]: Start difference. First operand 1163 states and 1375 transitions. Second operand 6 states. [2020-11-07 04:19:11,722 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:15,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:15,001 INFO L93 Difference]: Finished difference Result 2742 states and 3408 transitions. [2020-11-07 04:19:15,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-07 04:19:15,003 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 172 [2020-11-07 04:19:15,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:15,016 INFO L225 Difference]: With dead ends: 2742 [2020-11-07 04:19:15,017 INFO L226 Difference]: Without dead ends: 1694 [2020-11-07 04:19:15,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:19:15,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-11-07 04:19:16,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1570. [2020-11-07 04:19:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2020-11-07 04:19:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 1832 transitions. [2020-11-07 04:19:16,017 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 1832 transitions. Word has length 172 [2020-11-07 04:19:16,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:16,018 INFO L481 AbstractCegarLoop]: Abstraction has 1570 states and 1832 transitions. [2020-11-07 04:19:16,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-07 04:19:16,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1832 transitions. [2020-11-07 04:19:16,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-11-07 04:19:16,026 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:16,027 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] [2020-11-07 04:19:16,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:19:16,028 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:19:16,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:16,028 INFO L82 PathProgramCache]: Analyzing trace with hash 151260184, now seen corresponding path program 1 times [2020-11-07 04:19:16,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:16,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1412758485] [2020-11-07 04:19:16,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,531 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:16,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:19:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:19:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:19:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-11-07 04:19:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:19:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-07 04:19:16,794 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1412758485] [2020-11-07 04:19:16,795 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:16,795 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:19:16,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864774722] [2020-11-07 04:19:16,796 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:19:16,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:16,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:19:16,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:19:16,797 INFO L87 Difference]: Start difference. First operand 1570 states and 1832 transitions. Second operand 11 states. [2020-11-07 04:19:17,553 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:20,185 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:20,661 WARN L194 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:21,123 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:21,536 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:21,929 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:23,240 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:23,629 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:24,154 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:25,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:25,024 INFO L93 Difference]: Finished difference Result 1735 states and 2078 transitions. [2020-11-07 04:19:25,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:19:25,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-11-07 04:19:25,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:25,041 INFO L225 Difference]: With dead ends: 1735 [2020-11-07 04:19:25,041 INFO L226 Difference]: Without dead ends: 1731 [2020-11-07 04:19:25,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=171, Invalid=429, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:19:25,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1731 states. [2020-11-07 04:19:25,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1731 to 1579. [2020-11-07 04:19:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1579 states. [2020-11-07 04:19:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 1579 states and 1840 transitions. [2020-11-07 04:19:25,707 INFO L78 Accepts]: Start accepts. Automaton has 1579 states and 1840 transitions. Word has length 211 [2020-11-07 04:19:25,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:25,708 INFO L481 AbstractCegarLoop]: Abstraction has 1579 states and 1840 transitions. [2020-11-07 04:19:25,708 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:19:25,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 1840 transitions. [2020-11-07 04:19:25,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2020-11-07 04:19:25,724 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:25,726 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] [2020-11-07 04:19:25,727 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:19:25,727 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:19:25,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:25,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1677856329, now seen corresponding path program 1 times [2020-11-07 04:19:25,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:25,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1205867705] [2020-11-07 04:19:25,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,249 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:19:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:19:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-07 04:19:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-11-07 04:19:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:26,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:19:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-11-07 04:19:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2020-11-07 04:19:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-11-07 04:19:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-11-07 04:19:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 51 proven. 42 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2020-11-07 04:19:26,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1205867705] [2020-11-07 04:19:26,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:26,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-11-07 04:19:26,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160261831] [2020-11-07 04:19:26,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-07 04:19:26,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:26,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-07 04:19:26,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-11-07 04:19:26,750 INFO L87 Difference]: Start difference. First operand 1579 states and 1840 transitions. Second operand 12 states. [2020-11-07 04:19:28,216 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:28,826 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:29,217 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:29,647 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:30,053 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:30,545 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:32,799 INFO L93 Difference]: Finished difference Result 2427 states and 2926 transitions. [2020-11-07 04:19:32,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 04:19:32,801 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 402 [2020-11-07 04:19:32,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:32,807 INFO L225 Difference]: With dead ends: 2427 [2020-11-07 04:19:32,807 INFO L226 Difference]: Without dead ends: 858 [2020-11-07 04:19:32,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:19:32,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-11-07 04:19:33,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 761. [2020-11-07 04:19:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2020-11-07 04:19:33,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 863 transitions. [2020-11-07 04:19:33,215 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 863 transitions. Word has length 402 [2020-11-07 04:19:33,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:33,216 INFO L481 AbstractCegarLoop]: Abstraction has 761 states and 863 transitions. [2020-11-07 04:19:33,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-07 04:19:33,216 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 863 transitions. [2020-11-07 04:19:33,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2020-11-07 04:19:33,220 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:33,221 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] [2020-11-07 04:19:33,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:19:33,221 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:19:33,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:33,222 INFO L82 PathProgramCache]: Analyzing trace with hash 1171444547, now seen corresponding path program 1 times [2020-11-07 04:19:33,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:33,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421757456] [2020-11-07 04:19:33,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,633 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:33,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:19:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 04:19:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-11-07 04:19:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-11-07 04:19:33,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-11-07 04:19:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:33,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2020-11-07 04:19:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:34,055 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-07 04:19:34,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421757456] [2020-11-07 04:19:34,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:34,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-11-07 04:19:34,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268692712] [2020-11-07 04:19:34,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:19:34,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:34,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:19:34,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:19:34,058 INFO L87 Difference]: Start difference. First operand 761 states and 863 transitions. Second operand 8 states. [2020-11-07 04:19:34,924 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:35,635 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:39,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:39,182 INFO L93 Difference]: Finished difference Result 1685 states and 2023 transitions. [2020-11-07 04:19:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-11-07 04:19:39,184 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 297 [2020-11-07 04:19:39,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:39,193 INFO L225 Difference]: With dead ends: 1685 [2020-11-07 04:19:39,194 INFO L226 Difference]: Without dead ends: 1208 [2020-11-07 04:19:39,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:19:39,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1208 states. [2020-11-07 04:19:39,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1208 to 1032. [2020-11-07 04:19:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2020-11-07 04:19:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1179 transitions. [2020-11-07 04:19:39,670 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1179 transitions. Word has length 297 [2020-11-07 04:19:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:39,671 INFO L481 AbstractCegarLoop]: Abstraction has 1032 states and 1179 transitions. [2020-11-07 04:19:39,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:19:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1179 transitions. [2020-11-07 04:19:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-11-07 04:19:39,676 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:39,677 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] [2020-11-07 04:19:39,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:19:39,677 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:19:39,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:39,678 INFO L82 PathProgramCache]: Analyzing trace with hash 316181542, now seen corresponding path program 1 times [2020-11-07 04:19:39,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:39,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719562300] [2020-11-07 04:19:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,100 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:40,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:40,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:19:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-11-07 04:19:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:19:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-11-07 04:19:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-07 04:19:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:40,523 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-11-07 04:19:40,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719562300] [2020-11-07 04:19:40,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:40,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:19:40,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307375387] [2020-11-07 04:19:40,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:19:40,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:40,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:19:40,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:19:40,525 INFO L87 Difference]: Start difference. First operand 1032 states and 1179 transitions. Second operand 11 states. [2020-11-07 04:19:41,931 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:42,315 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:42,738 WARN L194 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:19:43,111 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:43,501 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:43,867 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:45,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:45,578 INFO L93 Difference]: Finished difference Result 2097 states and 2509 transitions. [2020-11-07 04:19:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:19:45,579 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 293 [2020-11-07 04:19:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:45,591 INFO L225 Difference]: With dead ends: 2097 [2020-11-07 04:19:45,591 INFO L226 Difference]: Without dead ends: 1180 [2020-11-07 04:19:45,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:19:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1180 states. [2020-11-07 04:19:46,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1180 to 1056. [2020-11-07 04:19:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1056 states. [2020-11-07 04:19:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 1056 states and 1205 transitions. [2020-11-07 04:19:46,194 INFO L78 Accepts]: Start accepts. Automaton has 1056 states and 1205 transitions. Word has length 293 [2020-11-07 04:19:46,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:46,195 INFO L481 AbstractCegarLoop]: Abstraction has 1056 states and 1205 transitions. [2020-11-07 04:19:46,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:19:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1205 transitions. [2020-11-07 04:19:46,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2020-11-07 04:19:46,201 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:46,201 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] [2020-11-07 04:19:46,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:19:46,202 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:19:46,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:46,202 INFO L82 PathProgramCache]: Analyzing trace with hash -192540016, now seen corresponding path program 1 times [2020-11-07 04:19:46,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:46,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102337320] [2020-11-07 04:19:46,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:46,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,602 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:46,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:19:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-11-07 04:19:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-11-07 04:19:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-11-07 04:19:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-11-07 04:19:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2020-11-07 04:19:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-11-07 04:19:46,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102337320] [2020-11-07 04:19:46,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:46,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-11-07 04:19:46,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651940136] [2020-11-07 04:19:46,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:19:46,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:46,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:19:46,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:19:46,969 INFO L87 Difference]: Start difference. First operand 1056 states and 1205 transitions. Second operand 14 states. [2020-11-07 04:19:47,763 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:48,162 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:19:48,574 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:48,943 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:49,327 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:50,386 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:50,777 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:51,187 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:51,609 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:19:52,008 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:19:54,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:19:54,016 INFO L93 Difference]: Finished difference Result 1769 states and 2073 transitions. [2020-11-07 04:19:54,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:19:54,017 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 298 [2020-11-07 04:19:54,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:19:54,022 INFO L225 Difference]: With dead ends: 1769 [2020-11-07 04:19:54,022 INFO L226 Difference]: Without dead ends: 828 [2020-11-07 04:19:54,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:19:54,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-11-07 04:19:54,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 762. [2020-11-07 04:19:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 762 states. [2020-11-07 04:19:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 848 transitions. [2020-11-07 04:19:54,387 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 848 transitions. Word has length 298 [2020-11-07 04:19:54,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:19:54,387 INFO L481 AbstractCegarLoop]: Abstraction has 762 states and 848 transitions. [2020-11-07 04:19:54,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:19:54,388 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 848 transitions. [2020-11-07 04:19:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-11-07 04:19:54,391 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:19:54,391 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] [2020-11-07 04:19:54,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:19:54,392 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]=== [2020-11-07 04:19:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:19:54,392 INFO L82 PathProgramCache]: Analyzing trace with hash -916903485, now seen corresponding path program 1 times [2020-11-07 04:19:54,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:19:54,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405137758] [2020-11-07 04:19:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:19:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,804 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-11-07 04:19:54,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:19:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-11-07 04:19:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-11-07 04:19:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-11-07 04:19:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-11-07 04:19:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-11-07 04:19:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:19:54,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:19:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:19:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:19:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-11-07 04:19:54,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:54,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-11-07 04:19:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:54,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:19:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:19:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:19:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:19:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2020-11-07 04:19:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-11-07 04:19:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:19:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 27 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 04:19:55,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405137758] [2020-11-07 04:19:55,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:19:55,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-11-07 04:19:55,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401737950] [2020-11-07 04:19:55,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:19:55,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:19:55,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:19:55,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:19:55,122 INFO L87 Difference]: Start difference. First operand 762 states and 848 transitions. Second operand 13 states. [2020-11-07 04:19:55,775 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:56,710 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:19:57,989 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:58,380 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:58,810 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:59,208 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:19:59,574 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:19:59,970 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:20:00,334 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:00,753 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:01,177 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:20:01,589 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:20:03,480 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-11-07 04:20:03,838 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-11-07 04:20:04,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:20:04,958 INFO L93 Difference]: Finished difference Result 1616 states and 1912 transitions. [2020-11-07 04:20:04,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-11-07 04:20:04,959 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 293 [2020-11-07 04:20:04,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:20:04,965 INFO L225 Difference]: With dead ends: 1616 [2020-11-07 04:20:04,965 INFO L226 Difference]: Without dead ends: 1055 [2020-11-07 04:20:04,968 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=363, Invalid=897, Unknown=0, NotChecked=0, Total=1260 [2020-11-07 04:20:04,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2020-11-07 04:20:05,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 875. [2020-11-07 04:20:05,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 875 states. [2020-11-07 04:20:05,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 984 transitions. [2020-11-07 04:20:05,462 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 984 transitions. Word has length 293 [2020-11-07 04:20:05,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:20:05,465 INFO L481 AbstractCegarLoop]: Abstraction has 875 states and 984 transitions. [2020-11-07 04:20:05,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:20:05,465 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 984 transitions. [2020-11-07 04:20:05,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-11-07 04:20:05,470 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:20:05,470 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] [2020-11-07 04:20:05,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:20:05,470 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]=== [2020-11-07 04:20:05,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:20:05,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1496744273, now seen corresponding path program 2 times [2020-11-07 04:20:05,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:20:05,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1131950912] [2020-11-07 04:20:05,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:20:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:20:05,585 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:20:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-07 04:20:05,692 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-07 04:20:06,114 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-11-07 04:20:06,115 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-07 04:20:06,115 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:20:06,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:20:06 BoogieIcfgContainer [2020-11-07 04:20:06,478 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-07 04:20:06,484 INFO L168 Benchmark]: Toolchain (without parser) took 88803.38 ms. Allocated memory was 151.0 MB in the beginning and 981.5 MB in the end (delta: 830.5 MB). Free memory was 126.3 MB in the beginning and 574.6 MB in the end (delta: -448.3 MB). Peak memory consumption was 382.4 MB. Max. memory is 8.0 GB. [2020-11-07 04:20:06,485 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 102.0 MB in the beginning and 102.0 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-07 04:20:06,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.5 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-11-07 04:20:06,495 INFO L168 Benchmark]: Boogie Preprocessor took 191.44 ms. Allocated memory is still 151.0 MB. Free memory was 103.5 MB in the beginning and 131.9 MB in the end (delta: -28.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-11-07 04:20:06,496 INFO L168 Benchmark]: RCFGBuilder took 1371.70 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 68.6 MB in the end (delta: 63.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 8.0 GB. [2020-11-07 04:20:06,496 INFO L168 Benchmark]: TraceAbstraction took 86606.25 ms. Allocated memory was 151.0 MB in the beginning and 981.5 MB in the end (delta: 830.5 MB). Free memory was 68.1 MB in the beginning and 574.6 MB in the end (delta: -506.5 MB). Peak memory consumption was 323.5 MB. Max. memory is 8.0 GB. [2020-11-07 04:20:06,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 125.8 MB. Free memory was 102.0 MB in the beginning and 102.0 MB in the end (delta: 69.7 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 620.10 ms. Allocated memory is still 151.0 MB. Free memory was 125.7 MB in the beginning and 103.5 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 191.44 ms. Allocated memory is still 151.0 MB. Free memory was 103.5 MB in the beginning and 131.9 MB in the end (delta: -28.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1371.70 ms. Allocated memory is still 151.0 MB. Free memory was 131.9 MB in the beginning and 68.6 MB in the end (delta: 63.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 86606.25 ms. Allocated memory was 151.0 MB in the beginning and 981.5 MB in the end (delta: 830.5 MB). Free memory was 68.1 MB in the beginning and 574.6 MB in the end (delta: -506.5 MB). Peak memory consumption was 323.5 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)=171, \old(head)=182, \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)=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=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)=182, \old(head)=171, \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: 86.1s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 71.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3002 SDtfs, 7525 SDslu, 6197 SDs, 0 SdLazy, 13854 SolverSat, 2512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 639 GetRequests, 434 SyntacticMatches, 12 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 34.3s 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: 5.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 1214 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.4s 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...