/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_spec1_product52.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:28:44,921 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:28:44,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:28:44,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:28:44,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:28:44,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:28:44,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:28:44,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:28:44,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:28:44,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:28:44,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:28:44,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:28:44,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:28:44,963 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:28:44,964 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:28:44,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:28:44,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:28:44,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:28:44,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:28:44,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:28:44,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:28:44,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:28:44,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:28:44,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:28:44,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:28:44,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:28:44,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:28:44,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:28:44,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:28:44,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:28:44,986 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:28:44,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:28:44,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:28:44,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:28:44,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:28:44,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:28:44,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:28:44,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:28:44,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:28:44,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:28:44,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:28:44,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 20:28:45,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:28:45,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:28:45,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:28:45,007 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:28:45,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:28:45,008 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:28:45,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:28:45,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:28:45,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:28:45,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:28:45,009 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:28:45,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:28:45,009 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:28:45,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:28:45,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:28:45,010 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:28:45,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:28:45,010 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:28:45,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:28:45,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:28:45,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:28:45,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:28:45,011 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-09-04 20:28:45,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:28:45,500 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:28:45,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:28:45,508 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:28:45,509 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:28:45,510 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product52.cil.c [2020-09-04 20:28:45,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6899b6d5/563f8ed770c3403da5b3e3f5c804bccb/FLAG67fb11e17 [2020-09-04 20:28:46,263 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:28:46,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product52.cil.c [2020-09-04 20:28:46,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6899b6d5/563f8ed770c3403da5b3e3f5c804bccb/FLAG67fb11e17 [2020-09-04 20:28:46,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d6899b6d5/563f8ed770c3403da5b3e3f5c804bccb [2020-09-04 20:28:46,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:28:46,555 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:28:46,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:28:46,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:28:46,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:28:46,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:28:46" (1/1) ... [2020-09-04 20:28:46,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1516d3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:46, skipping insertion in model container [2020-09-04 20:28:46,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:28:46" (1/1) ... [2020-09-04 20:28:46,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:28:46,649 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:28:47,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:28:47,150 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:28:47,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:28:47,313 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:28:47,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47 WrapperNode [2020-09-04 20:28:47,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:28:47,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:28:47,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:28:47,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:28:47,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... [2020-09-04 20:28:47,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:28:47,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:28:47,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:28:47,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:28:47,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 20:28:47,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:28:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:28:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:28:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:28:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:28:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:28:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:28:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:28:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:28:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:28:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 20:28:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:28:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:28:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 20:28:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:28:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:28:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:28:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:28:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:28:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:28:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:28:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 20:28:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:28:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:28:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:28:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:28:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:28:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:28:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:28:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:28:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:28:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:28:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:28:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:28:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:28:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:28:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:28:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:28:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:28:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:28:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:28:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:28:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:28:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:28:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:28:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:28:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:28:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:28:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:28:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-04 20:28:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:28:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:28:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:28:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 20:28:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 20:28:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:28:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:28:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:28:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:28:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:28:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:28:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:28:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:28:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:28:47,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:28:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:28:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:28:47,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:28:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:28:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:28:47,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:28:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:28:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:28:47,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:28:47,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:28:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:28:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:28:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:28:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:28:47,551 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:28:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:28:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:28:47,552 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:28:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:28:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:28:47,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:28:48,796 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:28:48,796 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:28:48,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:28:48 BoogieIcfgContainer [2020-09-04 20:28:48,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:28:48,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:28:48,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:28:48,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:28:48,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:28:46" (1/3) ... [2020-09-04 20:28:48,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650aa733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:28:48, skipping insertion in model container [2020-09-04 20:28:48,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:28:47" (2/3) ... [2020-09-04 20:28:48,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@650aa733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:28:48, skipping insertion in model container [2020-09-04 20:28:48,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:28:48" (3/3) ... [2020-09-04 20:28:48,814 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product52.cil.c [2020-09-04 20:28:48,827 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:28:48,840 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:28:48,868 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:28:48,900 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:28:48,900 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:28:48,901 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:28:48,901 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:28:48,901 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:28:48,901 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:28:48,901 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:28:48,901 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:28:48,928 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states. [2020-09-04 20:28:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-04 20:28:48,955 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:28:48,956 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] [2020-09-04 20:28:48,957 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:28:48,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:28:48,966 INFO L82 PathProgramCache]: Analyzing trace with hash 254159831, now seen corresponding path program 1 times [2020-09-04 20:28:48,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:28:48,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1269236586] [2020-09-04 20:28:48,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:28:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,767 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:28:49,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:28:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:28:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:28:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:28:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:28:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:28:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:28:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:28:49,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1269236586] [2020-09-04 20:28:49,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:28:49,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:28:49,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078112797] [2020-09-04 20:28:49,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:28:49,995 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:28:50,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:28:50,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:28:50,016 INFO L87 Difference]: Start difference. First operand 328 states. Second operand 3 states. [2020-09-04 20:28:51,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:28:51,541 INFO L93 Difference]: Finished difference Result 512 states and 609 transitions. [2020-09-04 20:28:51,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:28:51,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-04 20:28:51,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:28:51,564 INFO L225 Difference]: With dead ends: 512 [2020-09-04 20:28:51,564 INFO L226 Difference]: Without dead ends: 315 [2020-09-04 20:28:51,570 INFO L675 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 [2020-09-04 20:28:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-04 20:28:51,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 271. [2020-09-04 20:28:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-04 20:28:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 295 transitions. [2020-09-04 20:28:51,718 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 295 transitions. Word has length 142 [2020-09-04 20:28:51,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:28:51,719 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 295 transitions. [2020-09-04 20:28:51,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:28:51,719 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 295 transitions. [2020-09-04 20:28:51,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 20:28:51,724 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:28:51,724 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] [2020-09-04 20:28:51,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:28:51,725 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:28:51,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:28:51,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1230709371, now seen corresponding path program 1 times [2020-09-04 20:28:51,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:28:51,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967935723] [2020-09-04 20:28:51,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:28:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,204 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:28:52,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:28:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:28:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:28:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:28:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:28:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:28:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:28:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:52,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:28:52,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967935723] [2020-09-04 20:28:52,291 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:28:52,291 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:28:52,292 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585289082] [2020-09-04 20:28:52,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:28:52,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:28:52,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:28:52,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:28:52,297 INFO L87 Difference]: Start difference. First operand 271 states and 295 transitions. Second operand 4 states. [2020-09-04 20:28:52,985 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:28:54,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:28:54,112 INFO L93 Difference]: Finished difference Result 419 states and 472 transitions. [2020-09-04 20:28:54,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:28:54,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-04 20:28:54,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:28:54,119 INFO L225 Difference]: With dead ends: 419 [2020-09-04 20:28:54,119 INFO L226 Difference]: Without dead ends: 298 [2020-09-04 20:28:54,121 INFO L675 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 [2020-09-04 20:28:54,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-09-04 20:28:54,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 261. [2020-09-04 20:28:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-09-04 20:28:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 282 transitions. [2020-09-04 20:28:54,246 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 282 transitions. Word has length 143 [2020-09-04 20:28:54,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:28:54,247 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 282 transitions. [2020-09-04 20:28:54,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:28:54,247 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 282 transitions. [2020-09-04 20:28:54,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-04 20:28:54,249 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:28:54,249 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] [2020-09-04 20:28:54,250 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:28:54,250 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:28:54,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:28:54,251 INFO L82 PathProgramCache]: Analyzing trace with hash -11881279, now seen corresponding path program 1 times [2020-09-04 20:28:54,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:28:54,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1498066876] [2020-09-04 20:28:54,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:28:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,625 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:28:54,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:28:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:28:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:28:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:28:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:28:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 20:28:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:28:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:28:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:54,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:28:54,777 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1498066876] [2020-09-04 20:28:54,777 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:28:54,778 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:28:54,778 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053582740] [2020-09-04 20:28:54,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:28:54,779 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:28:54,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:28:54,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:28:54,780 INFO L87 Difference]: Start difference. First operand 261 states and 282 transitions. Second operand 10 states. [2020-09-04 20:28:55,488 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:28:55,961 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:28:56,275 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:28:56,519 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:28:56,836 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:28:57,153 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:28:58,130 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:00,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:29:00,900 INFO L93 Difference]: Finished difference Result 718 states and 836 transitions. [2020-09-04 20:29:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:29:00,901 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-09-04 20:29:00,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:29:00,916 INFO L225 Difference]: With dead ends: 718 [2020-09-04 20:29:00,916 INFO L226 Difference]: Without dead ends: 567 [2020-09-04 20:29:00,918 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-09-04 20:29:00,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2020-09-04 20:29:01,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 472. [2020-09-04 20:29:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2020-09-04 20:29:01,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 528 transitions. [2020-09-04 20:29:01,094 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 528 transitions. Word has length 156 [2020-09-04 20:29:01,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:29:01,095 INFO L479 AbstractCegarLoop]: Abstraction has 472 states and 528 transitions. [2020-09-04 20:29:01,095 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:29:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 528 transitions. [2020-09-04 20:29:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 20:29:01,098 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:29:01,098 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] [2020-09-04 20:29:01,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:29:01,099 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:29:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:29:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -409466612, now seen corresponding path program 1 times [2020-09-04 20:29:01,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:29:01,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1700680970] [2020-09-04 20:29:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:29:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,468 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:29:01,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:29:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:29:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:29:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:29:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:29:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-04 20:29:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:29:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:29:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:01,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:29:01,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1700680970] [2020-09-04 20:29:01,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:29:01,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:29:01,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302586839] [2020-09-04 20:29:01,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:29:01,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:29:01,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:29:01,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:29:01,657 INFO L87 Difference]: Start difference. First operand 472 states and 528 transitions. Second operand 9 states. [2020-09-04 20:29:02,368 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:29:03,852 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:04,247 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:29:04,669 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:05,013 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:29:05,305 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:29:05,601 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:05,917 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:06,511 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:07,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:29:07,838 INFO L93 Difference]: Finished difference Result 1314 states and 1572 transitions. [2020-09-04 20:29:07,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:29:07,839 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-04 20:29:07,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:29:07,851 INFO L225 Difference]: With dead ends: 1314 [2020-09-04 20:29:07,851 INFO L226 Difference]: Without dead ends: 952 [2020-09-04 20:29:07,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-04 20:29:07,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2020-09-04 20:29:08,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 795. [2020-09-04 20:29:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2020-09-04 20:29:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 902 transitions. [2020-09-04 20:29:08,180 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 902 transitions. Word has length 161 [2020-09-04 20:29:08,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:29:08,181 INFO L479 AbstractCegarLoop]: Abstraction has 795 states and 902 transitions. [2020-09-04 20:29:08,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:29:08,181 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 902 transitions. [2020-09-04 20:29:08,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 20:29:08,184 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:29:08,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:29:08,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:29:08,185 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:29:08,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:29:08,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1234625458, now seen corresponding path program 1 times [2020-09-04 20:29:08,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:29:08,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1862244518] [2020-09-04 20:29:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:29:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,559 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:29:08,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:29:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:29:08,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:29:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:29:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:29:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:29:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 20:29:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:29:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-04 20:29:08,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:29:08,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1862244518] [2020-09-04 20:29:08,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:29:08,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:29:08,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988931097] [2020-09-04 20:29:08,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:29:08,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:29:08,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:29:08,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:29:08,786 INFO L87 Difference]: Start difference. First operand 795 states and 902 transitions. Second operand 10 states. [2020-09-04 20:29:09,325 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:29:10,686 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:10,950 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:29:11,230 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:11,551 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:29:11,853 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:12,670 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:29:12,970 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:13,357 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:14,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:29:14,502 INFO L93 Difference]: Finished difference Result 2058 states and 2533 transitions. [2020-09-04 20:29:14,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 20:29:14,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2020-09-04 20:29:14,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:29:14,511 INFO L225 Difference]: With dead ends: 2058 [2020-09-04 20:29:14,512 INFO L226 Difference]: Without dead ends: 1373 [2020-09-04 20:29:14,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 20:29:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-09-04 20:29:14,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1105. [2020-09-04 20:29:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2020-09-04 20:29:14,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1273 transitions. [2020-09-04 20:29:14,933 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1273 transitions. Word has length 166 [2020-09-04 20:29:14,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:29:14,934 INFO L479 AbstractCegarLoop]: Abstraction has 1105 states and 1273 transitions. [2020-09-04 20:29:14,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:29:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1273 transitions. [2020-09-04 20:29:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-04 20:29:14,938 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:29:14,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:29:14,938 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:29:14,939 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:29:14,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:29:14,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1793051015, now seen corresponding path program 1 times [2020-09-04 20:29:14,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:29:14,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671293428] [2020-09-04 20:29:14,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:29:14,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,285 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:29:15,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:29:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:29:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:29:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:29:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:29:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:29:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:29:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:29:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:29:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:29:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:29:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:29:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:29:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 20:29:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:29:15,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671293428] [2020-09-04 20:29:15,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:29:15,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:29:15,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350201887] [2020-09-04 20:29:15,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:29:15,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:29:15,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:29:15,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:29:15,529 INFO L87 Difference]: Start difference. First operand 1105 states and 1273 transitions. Second operand 11 states. [2020-09-04 20:29:17,175 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:17,506 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:29:17,832 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:29:18,161 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:18,503 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:29:18,811 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:20,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:29:20,904 INFO L93 Difference]: Finished difference Result 2717 states and 3403 transitions. [2020-09-04 20:29:20,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 20:29:20,905 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 199 [2020-09-04 20:29:20,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:29:20,916 INFO L225 Difference]: With dead ends: 2717 [2020-09-04 20:29:20,917 INFO L226 Difference]: Without dead ends: 1722 [2020-09-04 20:29:20,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:29:20,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2020-09-04 20:29:21,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1143. [2020-09-04 20:29:21,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2020-09-04 20:29:21,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1313 transitions. [2020-09-04 20:29:21,336 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1313 transitions. Word has length 199 [2020-09-04 20:29:21,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:29:21,336 INFO L479 AbstractCegarLoop]: Abstraction has 1143 states and 1313 transitions. [2020-09-04 20:29:21,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:29:21,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1313 transitions. [2020-09-04 20:29:21,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-04 20:29:21,347 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:29:21,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:29:21,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:29:21,349 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:29:21,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:29:21,349 INFO L82 PathProgramCache]: Analyzing trace with hash 819180839, now seen corresponding path program 1 times [2020-09-04 20:29:21,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:29:21,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1067067874] [2020-09-04 20:29:21,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:29:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,719 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:29:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:29:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:29:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:29:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:29:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:29:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:29:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:29:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:29:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:29:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:29:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:29:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:29:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:29:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 20:29:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:21,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:29:21,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1067067874] [2020-09-04 20:29:21,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:29:21,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 20:29:21,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699185191] [2020-09-04 20:29:21,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 20:29:21,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:29:21,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 20:29:21,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:29:21,985 INFO L87 Difference]: Start difference. First operand 1143 states and 1313 transitions. Second operand 14 states. [2020-09-04 20:29:22,657 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:29:22,979 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:29:23,308 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:23,608 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:29:23,905 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:25,114 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:25,443 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:29:25,792 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:26,156 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:29:26,474 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:29:29,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:29:29,092 INFO L93 Difference]: Finished difference Result 2799 states and 3554 transitions. [2020-09-04 20:29:29,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 20:29:29,093 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 199 [2020-09-04 20:29:29,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:29:29,104 INFO L225 Difference]: With dead ends: 2799 [2020-09-04 20:29:29,104 INFO L226 Difference]: Without dead ends: 1766 [2020-09-04 20:29:29,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 20:29:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2020-09-04 20:29:29,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1167. [2020-09-04 20:29:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2020-09-04 20:29:29,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1337 transitions. [2020-09-04 20:29:29,638 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1337 transitions. Word has length 199 [2020-09-04 20:29:29,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:29:29,639 INFO L479 AbstractCegarLoop]: Abstraction has 1167 states and 1337 transitions. [2020-09-04 20:29:29,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 20:29:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1337 transitions. [2020-09-04 20:29:29,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-04 20:29:29,644 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:29:29,644 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:29:29,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:29:29,645 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:29:29,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:29:29,645 INFO L82 PathProgramCache]: Analyzing trace with hash -821113142, now seen corresponding path program 1 times [2020-09-04 20:29:29,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:29:29,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [464794489] [2020-09-04 20:29:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:29:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,039 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:29:30,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:29:30,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:29:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:29:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:29:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:29:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:29:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:29:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:29:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:29:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:29:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:29:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:29:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-09-04 20:29:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-09-04 20:29:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:29:30,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:29:30,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [464794489] [2020-09-04 20:29:30,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:29:30,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:29:30,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835761119] [2020-09-04 20:29:30,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:29:30,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:29:30,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:29:30,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:29:30,270 INFO L87 Difference]: Start difference. First operand 1167 states and 1337 transitions. Second operand 8 states. [2020-09-04 20:29:30,928 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:29:31,570 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:29:36,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:29:36,687 INFO L93 Difference]: Finished difference Result 4329 states and 5547 transitions. [2020-09-04 20:29:36,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 20:29:36,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2020-09-04 20:29:36,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:29:36,705 INFO L225 Difference]: With dead ends: 4329 [2020-09-04 20:29:36,705 INFO L226 Difference]: Without dead ends: 3272 [2020-09-04 20:29:36,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-09-04 20:29:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2020-09-04 20:29:37,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 2347. [2020-09-04 20:29:37,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2347 states. [2020-09-04 20:29:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2347 states and 2717 transitions. [2020-09-04 20:29:37,550 INFO L78 Accepts]: Start accepts. Automaton has 2347 states and 2717 transitions. Word has length 199 [2020-09-04 20:29:37,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:29:37,550 INFO L479 AbstractCegarLoop]: Abstraction has 2347 states and 2717 transitions. [2020-09-04 20:29:37,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:29:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2717 transitions. [2020-09-04 20:29:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-04 20:29:37,556 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:29:37,556 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:29:37,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:29:37,557 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:29:37,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:29:37,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1861424498, now seen corresponding path program 1 times [2020-09-04 20:29:37,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:29:37,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732883807] [2020-09-04 20:29:37,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:29:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:29:37,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:29:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:29:37,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:29:37,965 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:29:37,966 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:29:37,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:29:38,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:29:38 BoogieIcfgContainer [2020-09-04 20:29:38,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:29:38,288 INFO L168 Benchmark]: Toolchain (without parser) took 51733.53 ms. Allocated memory was 138.4 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 101.7 MB in the beginning and 271.7 MB in the end (delta: -170.0 MB). Peak memory consumption was 842.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:29:38,291 INFO L168 Benchmark]: CDTParser took 1.09 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 20:29:38,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 757.62 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 170.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-09-04 20:29:38,297 INFO L168 Benchmark]: Boogie Preprocessor took 113.44 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:29:38,302 INFO L168 Benchmark]: RCFGBuilder took 1376.11 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 172.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-09-04 20:29:38,302 INFO L168 Benchmark]: TraceAbstraction took 49480.61 ms. Allocated memory was 234.4 MB in the beginning and 1.2 GB in the end (delta: 917.0 MB). Free memory was 172.7 MB in the beginning and 271.7 MB in the end (delta: -99.1 MB). Peak memory consumption was 817.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:29:38,308 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.09 ms. Allocated memory is still 138.4 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 757.62 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 101.5 MB in the beginning and 170.2 MB in the end (delta: -68.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.44 ms. Allocated memory is still 202.9 MB. Free memory was 170.2 MB in the beginning and 166.0 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1376.11 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 172.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 49480.61 ms. Allocated memory was 234.4 MB in the beginning and 1.2 GB in the end (delta: 917.0 MB). Free memory was 172.7 MB in the beginning and 271.7 MB in the end (delta: -99.1 MB). Peak memory consumption was 817.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 383]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=142, pumpRunning=136, systemActive=135, waterLevel=1] [L49] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=0, pumpRunning=136, systemActive=135, waterLevel=1] [L158] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=0, pumpRunning=0, systemActive=135, waterLevel=1] [L159] int systemActive = 1; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=168, head={176:164}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=4, head={176:164}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L752] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=168, \old(head)=164, \old(head)=176, \old(methaneLevelCritical)=142, \old(pumpRunning)=136, \old(systemActive)=135, \old(waterLevel)=140, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] 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] [L535] 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] [L539] 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] [L540] 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] [L541] 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] [L975] 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] [L978] 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] [L979] 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] [L541] 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] [L541] 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] [L543] 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] [L545] 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] [L546] 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] [L525] 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] [L390] 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] [L391] 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] [L392] 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] [L393] 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] [L394] 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] [L397] 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] [L399] 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] [L401] 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] [L407] 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] [L409] 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] [L411] 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] [L66] 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] [L67] 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] [L411] 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] [L417] tmp___0 = __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=1, waterLevel=2] [L419] COND TRUE \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=1, waterLevel=2] [L421] CALL changeMethaneLevel() 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] [L78] COND FALSE !(\read(methaneLevelCritical)) 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] [L81] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L421] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L427] 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=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L429] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L431] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L374] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L431] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L446] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L166] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L173] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L175] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L221] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L224] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L239] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L195] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L198] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L318] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L319] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L320] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L324] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L128] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L131] COND FALSE !(waterLevel < 2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L135] retValue_acc = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L136] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L324] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L324] tmp = isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L326] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L329] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L331] retValue_acc = tmp___0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L332] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L200] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L200] tmp = isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L202] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L204] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L249] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L204] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L239] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L175] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L181] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L558] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L559] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L87] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L90] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L91] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L563] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L563] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L565] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L567] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L273] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L276] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L277] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L567] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L567] tmp___0 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L569] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L571] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L383] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 647 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 49.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 40.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2103 SDtfs, 4648 SDslu, 4294 SDs, 0 SdLazy, 9379 SolverSat, 1521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 333 GetRequests, 202 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 15.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2347occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.9s AutomataMinimizationTime, 8 MinimizatonAttempts, 2704 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1569 NumberOfCodeBlocks, 1569 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1357 ConstructedInterpolants, 0 QuantifiedInterpolants, 579505 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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...