/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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:27:18,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:27:18,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:27:18,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:27:18,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:27:18,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:27:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:27:18,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:27:18,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:27:18,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:27:18,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:27:18,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:27:18,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:27:18,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:27:18,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:27:18,278 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:27:18,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:27:18,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:27:18,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:27:18,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:27:18,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:27:18,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:27:18,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:27:18,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:27:18,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:27:18,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:27:18,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:27:18,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:27:18,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:27:18,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:27:18,302 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:27:18,303 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:27:18,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:27:18,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:27:18,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:27:18,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:27:18,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:27:18,309 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:27:18,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:27:18,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:27:18,311 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:27:18,312 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 20:27:18,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:27:18,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:27:18,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:27:18,342 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:27:18,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:27:18,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:27:18,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:27:18,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:27:18,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:27:18,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:27:18,343 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:27:18,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:27:18,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:27:18,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:27:18,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:27:18,345 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:27:18,345 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:27:18,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:27:18,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:27:18,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:27:18,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:27:18,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:27:18,346 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 20:27:18,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:27:18,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:27:18,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:27:18,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:27:18,825 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:27:18,826 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-09-04 20:27:18,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3d3ea868/255e96834dcd43069556637c3caa419c/FLAG4c75fe76c [2020-09-04 20:27:19,540 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:27:19,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product36.cil.c [2020-09-04 20:27:19,558 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3d3ea868/255e96834dcd43069556637c3caa419c/FLAG4c75fe76c [2020-09-04 20:27:19,817 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b3d3ea868/255e96834dcd43069556637c3caa419c [2020-09-04 20:27:19,829 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:27:19,831 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:27:19,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:27:19,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:27:19,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:27:19,838 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:27:19" (1/1) ... [2020-09-04 20:27:19,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:19, skipping insertion in model container [2020-09-04 20:27:19,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:27:19" (1/1) ... [2020-09-04 20:27:19,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:27:19,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:27:20,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:27:20,335 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:27:20,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:27:20,579 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:27:20,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20 WrapperNode [2020-09-04 20:27:20,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:27:20,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:27:20,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:27:20,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:27:20,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (1/1) ... [2020-09-04 20:27:20,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:27:20,687 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:27:20,687 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:27:20,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:27:20,689 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (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 20:27:20,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:27:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:27:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:27:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:27:20,770 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:27:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 20:27:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:27:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:27:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:27:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:27:20,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:27:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:27:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 20:27:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:27:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:27:20,772 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:27:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:27:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:27:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:27:20,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:27:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:27:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 20:27:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:27:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:27:20,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:27:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:27:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:27:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:27:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:27:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:27:20,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:27:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:27:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:27:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-09-04 20:27:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:27:20,776 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:27:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:27:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:27:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:27:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:27:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:27:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:27:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:27:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:27:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:27:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:27:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 20:27:20,778 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:27:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:27:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:27:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:27:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:27:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:27:20,779 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:27:20,780 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:27:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:27:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:27:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:27:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:27:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:27:20,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:27:20,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:27:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:27:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:27:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:27:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:27:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:27:20,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:27:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:27:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:27:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:27:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:27:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:27:20,784 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:27:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:27:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:27:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:27:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:27:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:27:20,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:27:21,929 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:27:21,929 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:27:21,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:27:21 BoogieIcfgContainer [2020-09-04 20:27:21,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:27:21,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:27:21,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:27:21,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:27:21,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:27:19" (1/3) ... [2020-09-04 20:27:21,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f97768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:27:21, skipping insertion in model container [2020-09-04 20:27:21,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:27:20" (2/3) ... [2020-09-04 20:27:21,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f97768d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:27:21, skipping insertion in model container [2020-09-04 20:27:21,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:27:21" (3/3) ... [2020-09-04 20:27:21,946 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product36.cil.c [2020-09-04 20:27:21,957 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:27:21,968 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:27:21,989 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:27:22,012 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:27:22,013 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:27:22,013 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:27:22,013 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:27:22,013 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:27:22,013 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:27:22,013 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:27:22,014 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:27:22,036 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states. [2020-09-04 20:27:22,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-04 20:27:22,057 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:22,058 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 20:27:22,059 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:22,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:22,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1033241294, now seen corresponding path program 1 times [2020-09-04 20:27:22,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:22,079 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163428585] [2020-09-04 20:27:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:22,841 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:22,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:22,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:22,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:22,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:27:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:23,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 20:27:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:23,031 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 20:27:23,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163428585] [2020-09-04 20:27:23,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:23,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:27:23,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429418015] [2020-09-04 20:27:23,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:27:23,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:23,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:27:23,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:27:23,064 INFO L87 Difference]: Start difference. First operand 297 states. Second operand 3 states. [2020-09-04 20:27:24,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:24,378 INFO L93 Difference]: Finished difference Result 448 states and 534 transitions. [2020-09-04 20:27:24,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:27:24,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2020-09-04 20:27:24,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:24,401 INFO L225 Difference]: With dead ends: 448 [2020-09-04 20:27:24,401 INFO L226 Difference]: Without dead ends: 282 [2020-09-04 20:27:24,407 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:27:24,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2020-09-04 20:27:24,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 240. [2020-09-04 20:27:24,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-09-04 20:27:24,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 259 transitions. [2020-09-04 20:27:24,545 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 259 transitions. Word has length 142 [2020-09-04 20:27:24,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:24,546 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 259 transitions. [2020-09-04 20:27:24,546 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:27:24,547 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 259 transitions. [2020-09-04 20:27:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-09-04 20:27:24,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:24,552 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 20:27:24,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:27:24,553 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:24,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:24,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1951375081, now seen corresponding path program 1 times [2020-09-04 20:27:24,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:24,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213403519] [2020-09-04 20:27:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,900 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:24,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:27:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:27:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:25,006 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 20:27:25,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213403519] [2020-09-04 20:27:25,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:25,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:27:25,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772557212] [2020-09-04 20:27:25,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:27:25,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:25,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:27:25,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:27:25,010 INFO L87 Difference]: Start difference. First operand 240 states and 259 transitions. Second operand 4 states. [2020-09-04 20:27:25,688 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:26,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:26,668 INFO L93 Difference]: Finished difference Result 352 states and 395 transitions. [2020-09-04 20:27:26,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:27:26,673 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2020-09-04 20:27:26,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:26,679 INFO L225 Difference]: With dead ends: 352 [2020-09-04 20:27:26,679 INFO L226 Difference]: Without dead ends: 265 [2020-09-04 20:27:26,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:27:26,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2020-09-04 20:27:26,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 230. [2020-09-04 20:27:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-09-04 20:27:26,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 246 transitions. [2020-09-04 20:27:26,750 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 246 transitions. Word has length 143 [2020-09-04 20:27:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:26,751 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 246 transitions. [2020-09-04 20:27:26,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:27:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 246 transitions. [2020-09-04 20:27:26,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-09-04 20:27:26,754 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:26,755 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 20:27:26,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:27:26,755 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:26,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:26,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1408786884, now seen corresponding path program 1 times [2020-09-04 20:27:26,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:26,756 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786909189] [2020-09-04 20:27:26,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:26,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,238 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:27,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 20:27:27,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 20:27:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:27:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:27,498 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 20:27:27,499 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786909189] [2020-09-04 20:27:27,499 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:27,499 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:27:27,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377878330] [2020-09-04 20:27:27,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:27:27,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:27,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:27:27,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:27:27,505 INFO L87 Difference]: Start difference. First operand 230 states and 246 transitions. Second operand 10 states. [2020-09-04 20:27:28,149 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:27:28,489 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:27:28,796 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:27:29,099 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:29,436 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:27:29,717 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:30,669 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:32,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:32,951 INFO L93 Difference]: Finished difference Result 621 states and 722 transitions. [2020-09-04 20:27:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:27:32,952 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2020-09-04 20:27:32,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:32,959 INFO L225 Difference]: With dead ends: 621 [2020-09-04 20:27:32,959 INFO L226 Difference]: Without dead ends: 501 [2020-09-04 20:27:32,961 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 20:27:32,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2020-09-04 20:27:33,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 398. [2020-09-04 20:27:33,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2020-09-04 20:27:33,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 440 transitions. [2020-09-04 20:27:33,101 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 440 transitions. Word has length 156 [2020-09-04 20:27:33,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:33,102 INFO L479 AbstractCegarLoop]: Abstraction has 398 states and 440 transitions. [2020-09-04 20:27:33,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:27:33,102 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 440 transitions. [2020-09-04 20:27:33,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 20:27:33,105 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:33,105 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 20:27:33,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:27:33,106 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:33,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:33,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1641209859, now seen corresponding path program 1 times [2020-09-04 20:27:33,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:33,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [721317203] [2020-09-04 20:27:33,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,520 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:33,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:33,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-09-04 20:27:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 20:27:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 20:27:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:33,700 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 20:27:33,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [721317203] [2020-09-04 20:27:33,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:33,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:27:33,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685896019] [2020-09-04 20:27:33,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:27:33,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:33,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:27:33,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:27:33,706 INFO L87 Difference]: Start difference. First operand 398 states and 440 transitions. Second operand 9 states. [2020-09-04 20:27:34,338 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:27:35,756 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:36,105 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:27:36,454 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:36,787 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:27:37,097 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:27:37,396 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:37,704 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:38,185 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:39,259 INFO L93 Difference]: Finished difference Result 1084 states and 1296 transitions. [2020-09-04 20:27:39,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:27:39,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2020-09-04 20:27:39,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:39,268 INFO L225 Difference]: With dead ends: 1084 [2020-09-04 20:27:39,268 INFO L226 Difference]: Without dead ends: 796 [2020-09-04 20:27:39,277 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2020-09-04 20:27:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2020-09-04 20:27:39,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 647. [2020-09-04 20:27:39,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2020-09-04 20:27:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 726 transitions. [2020-09-04 20:27:39,533 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 726 transitions. Word has length 161 [2020-09-04 20:27:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:39,534 INFO L479 AbstractCegarLoop]: Abstraction has 647 states and 726 transitions. [2020-09-04 20:27:39,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:27:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 726 transitions. [2020-09-04 20:27:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-09-04 20:27:39,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:39,538 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 20:27:39,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:27:39,538 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:39,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:39,539 INFO L82 PathProgramCache]: Analyzing trace with hash 804799078, now seen corresponding path program 1 times [2020-09-04 20:27:39,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:39,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407232634] [2020-09-04 20:27:39,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:39,917 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:39,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:39,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:39,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:27:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-04 20:27:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:40,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 20:27:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:40,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-04 20:27:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:40,087 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 20:27:40,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407232634] [2020-09-04 20:27:40,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:40,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:27:40,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696475335] [2020-09-04 20:27:40,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:27:40,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:40,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:27:40,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:27:40,090 INFO L87 Difference]: Start difference. First operand 647 states and 726 transitions. Second operand 10 states. [2020-09-04 20:27:40,663 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:27:42,199 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:42,537 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:27:42,892 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:43,208 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:27:43,488 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:44,239 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:27:44,558 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:44,969 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:46,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:46,031 INFO L93 Difference]: Finished difference Result 1719 states and 2093 transitions. [2020-09-04 20:27:46,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 20:27:46,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 166 [2020-09-04 20:27:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:46,043 INFO L225 Difference]: With dead ends: 1719 [2020-09-04 20:27:46,044 INFO L226 Difference]: Without dead ends: 1182 [2020-09-04 20:27:46,046 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 20:27:46,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2020-09-04 20:27:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 937. [2020-09-04 20:27:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 937 states. [2020-09-04 20:27:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 937 states and 1073 transitions. [2020-09-04 20:27:46,347 INFO L78 Accepts]: Start accepts. Automaton has 937 states and 1073 transitions. Word has length 166 [2020-09-04 20:27:46,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:46,347 INFO L479 AbstractCegarLoop]: Abstraction has 937 states and 1073 transitions. [2020-09-04 20:27:46,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:27:46,348 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1073 transitions. [2020-09-04 20:27:46,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-04 20:27:46,352 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:46,352 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:27:46,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:27:46,352 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:46,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:46,353 INFO L82 PathProgramCache]: Analyzing trace with hash 633475050, now seen corresponding path program 1 times [2020-09-04 20:27:46,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:46,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [712769250] [2020-09-04 20:27:46,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,693 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:46,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:27:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:27:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:27:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:27:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:27:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:27:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-04 20:27:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-04 20:27:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:46,923 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 20:27:46,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [712769250] [2020-09-04 20:27:46,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:46,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 20:27:46,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73851637] [2020-09-04 20:27:46,925 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 20:27:46,925 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:46,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 20:27:46,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 20:27:46,926 INFO L87 Difference]: Start difference. First operand 937 states and 1073 transitions. Second operand 11 states. [2020-09-04 20:27:48,589 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:48,928 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:27:49,275 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 20:27:49,630 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:49,974 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:27:50,313 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:52,182 INFO L93 Difference]: Finished difference Result 2368 states and 2969 transitions. [2020-09-04 20:27:52,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 20:27:52,187 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2020-09-04 20:27:52,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:52,199 INFO L225 Difference]: With dead ends: 2368 [2020-09-04 20:27:52,199 INFO L226 Difference]: Without dead ends: 1541 [2020-09-04 20:27:52,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 20:27:52,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2020-09-04 20:27:52,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 975. [2020-09-04 20:27:52,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2020-09-04 20:27:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1111 transitions. [2020-09-04 20:27:52,587 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1111 transitions. Word has length 194 [2020-09-04 20:27:52,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:52,588 INFO L479 AbstractCegarLoop]: Abstraction has 975 states and 1111 transitions. [2020-09-04 20:27:52,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 20:27:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1111 transitions. [2020-09-04 20:27:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-04 20:27:52,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:52,592 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:27:52,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 20:27:52,593 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:52,593 INFO L82 PathProgramCache]: Analyzing trace with hash -788765814, now seen corresponding path program 1 times [2020-09-04 20:27:52,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:52,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [351734789] [2020-09-04 20:27:52,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:52,939 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:27:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:52,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:27:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:52,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:27:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:52,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:27:52,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:27:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:27:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:27:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:27:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:27:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:27:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:27:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-04 20:27:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-04 20:27:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:53,185 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 20:27:53,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [351734789] [2020-09-04 20:27:53,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:27:53,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 20:27:53,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664355965] [2020-09-04 20:27:53,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 20:27:53,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:27:53,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 20:27:53,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 20:27:53,187 INFO L87 Difference]: Start difference. First operand 975 states and 1111 transitions. Second operand 14 states. [2020-09-04 20:27:53,862 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:27:54,173 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 20:27:54,530 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:54,804 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:27:55,079 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:56,171 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:56,484 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:27:56,834 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:57,177 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:27:57,480 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:27:59,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:27:59,249 INFO L93 Difference]: Finished difference Result 2450 states and 3110 transitions. [2020-09-04 20:27:59,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 20:27:59,250 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 194 [2020-09-04 20:27:59,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:27:59,260 INFO L225 Difference]: With dead ends: 2450 [2020-09-04 20:27:59,260 INFO L226 Difference]: Without dead ends: 1585 [2020-09-04 20:27:59,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 20:27:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1585 states. [2020-09-04 20:27:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1585 to 999. [2020-09-04 20:27:59,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2020-09-04 20:27:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1135 transitions. [2020-09-04 20:27:59,662 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1135 transitions. Word has length 194 [2020-09-04 20:27:59,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:27:59,662 INFO L479 AbstractCegarLoop]: Abstraction has 999 states and 1135 transitions. [2020-09-04 20:27:59,663 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 20:27:59,663 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1135 transitions. [2020-09-04 20:27:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-09-04 20:27:59,667 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:27:59,667 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:27:59,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 20:27:59,668 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:27:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:27:59,668 INFO L82 PathProgramCache]: Analyzing trace with hash -580417043, now seen corresponding path program 1 times [2020-09-04 20:27:59,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:27:59,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590978414] [2020-09-04 20:27:59,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:27:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:27:59,991 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:27:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:28:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:28:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:28:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:28:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:28:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 20:28:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 20:28:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-04 20:28:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 20:28:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 20:28:00,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 20:28:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-09-04 20:28:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-09-04 20:28:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:28:00,209 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 20:28:00,209 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590978414] [2020-09-04 20:28:00,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:28:00,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 20:28:00,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936563297] [2020-09-04 20:28:00,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 20:28:00,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:28:00,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 20:28:00,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 20:28:00,211 INFO L87 Difference]: Start difference. First operand 999 states and 1135 transitions. Second operand 8 states. [2020-09-04 20:28:00,793 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:28:01,451 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:28:05,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:28:05,856 INFO L93 Difference]: Finished difference Result 3927 states and 5016 transitions. [2020-09-04 20:28:05,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 20:28:05,856 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 194 [2020-09-04 20:28:05,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:28:05,874 INFO L225 Difference]: With dead ends: 3927 [2020-09-04 20:28:05,874 INFO L226 Difference]: Without dead ends: 3038 [2020-09-04 20:28:05,878 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2020-09-04 20:28:05,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3038 states. [2020-09-04 20:28:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3038 to 2139. [2020-09-04 20:28:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2139 states. [2020-09-04 20:28:06,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 2139 states and 2463 transitions. [2020-09-04 20:28:06,647 INFO L78 Accepts]: Start accepts. Automaton has 2139 states and 2463 transitions. Word has length 194 [2020-09-04 20:28:06,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:28:06,647 INFO L479 AbstractCegarLoop]: Abstraction has 2139 states and 2463 transitions. [2020-09-04 20:28:06,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 20:28:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 2463 transitions. [2020-09-04 20:28:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-09-04 20:28:06,652 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:28:06,653 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 20:28:06,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 20:28:06,653 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:28:06,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:28:06,654 INFO L82 PathProgramCache]: Analyzing trace with hash -2090495192, now seen corresponding path program 1 times [2020-09-04 20:28:06,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:28:06,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552136567] [2020-09-04 20:28:06,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:28:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:28:06,727 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:28:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:28:06,800 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:28:07,054 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:28:07,054 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:28:07,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 20:28:07,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:28:07 BoogieIcfgContainer [2020-09-04 20:28:07,271 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:28:07,273 INFO L168 Benchmark]: Toolchain (without parser) took 47441.93 ms. Allocated memory was 139.5 MB in the beginning and 989.3 MB in the end (delta: 849.9 MB). Free memory was 102.9 MB in the beginning and 509.0 MB in the end (delta: -406.0 MB). Peak memory consumption was 443.8 MB. Max. memory is 7.1 GB. [2020-09-04 20:28:07,277 INFO L168 Benchmark]: CDTParser took 0.97 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 20:28:07,283 INFO L168 Benchmark]: CACSL2BoogieTranslator took 747.78 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 173.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2020-09-04 20:28:07,284 INFO L168 Benchmark]: Boogie Preprocessor took 106.08 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 169.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:28:07,285 INFO L168 Benchmark]: RCFGBuilder took 1249.55 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 178.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2020-09-04 20:28:07,288 INFO L168 Benchmark]: TraceAbstraction took 45333.08 ms. Allocated memory was 236.5 MB in the beginning and 989.3 MB in the end (delta: 752.9 MB). Free memory was 178.3 MB in the beginning and 509.0 MB in the end (delta: -330.7 MB). Peak memory consumption was 422.2 MB. Max. memory is 7.1 GB. [2020-09-04 20:28:07,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 747.78 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 102.7 MB in the beginning and 173.6 MB in the end (delta: -70.8 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.08 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 169.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1249.55 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 178.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 45333.08 ms. Allocated memory was 236.5 MB in the beginning and 989.3 MB in the end (delta: 752.9 MB). Free memory was 178.3 MB in the beginning and 509.0 MB in the end (delta: -330.7 MB). Peak memory consumption was 422.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L60] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=169, \old(head)=159, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=140, pumpRunning=0, systemActive=133, waterLevel=138] [L61] int systemActive = 1; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=140, pumpRunning=0, systemActive=1, waterLevel=138] [L239] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=169, \old(head)=159, \old(head)=176, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=140, pumpRunning=0, systemActive=1, waterLevel=1] [L240] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={176:159}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L610] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=169, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L833] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=169, \old(head)=176, \old(head)=159, \old(methaneLevelCritical)=140, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=138, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L906] 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] [L907] 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] [L911] 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] [L912] 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] [L913] 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] [L432] 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] [L435] 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] [L436] 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] [L913] 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] [L913] 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] [L915] 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] [L917] 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] [L918] 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] [L900] 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] [L335] 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] [L336] 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] [L337] 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] [L338] 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] [L339] 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] [L342] 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] [L344] 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] [L346] 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] [L352] 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] [L354] 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] [L356] 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] [L257] 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] [L258] 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] [L356] 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] [L362] 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] [L364] 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] [L366] 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] [L269] 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] [L272] 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] [L366] 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] [L372] 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] [L374] 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] [L376] 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] [L231] 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] [L376] 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] [L391] 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] [L68] 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] [L75] 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] [L77] 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] [L97] 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] [L100] 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] [L102] 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] [L194] 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] [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] [L196] 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] [L200] 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] [L319] 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] [L322] 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] [L326] 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] [L327] 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] [L200] 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] [L200] 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] [L202] 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] [L205] 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] [L207] 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] [L208] 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] [L102] 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] [L102] 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] [L104] 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] [L106] 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] [L125] 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] [L106] 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] [L77] 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] [L83] 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] [L808] 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] [L809] 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] [L813] 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] [L278] 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] [L281] 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] [L282] 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] [L813] 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] [L813] 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] [L815] 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] [L817] 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] [L149] 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] [L152] 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] [L153] 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] [L817] 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] [L817] 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] [L819] 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] [L821] 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] [L44] __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 39 procedures, 616 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 45.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 37.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1860 SDtfs, 4352 SDslu, 4158 SDs, 0 SdLazy, 8135 SolverSat, 1462 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 195 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2139occurred 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: 2.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 2625 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1549 NumberOfCodeBlocks, 1549 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1342 ConstructedInterpolants, 0 QuantifiedInterpolants, 567023 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...