/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_spec3_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 20:48:19,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 20:48:19,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 20:48:19,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 20:48:19,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 20:48:19,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 20:48:19,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 20:48:19,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 20:48:19,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 20:48:19,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 20:48:19,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 20:48:19,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 20:48:19,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 20:48:19,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 20:48:19,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 20:48:19,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 20:48:19,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 20:48:19,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 20:48:19,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 20:48:19,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 20:48:19,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 20:48:19,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 20:48:19,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 20:48:19,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 20:48:19,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 20:48:19,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 20:48:19,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 20:48:19,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 20:48:19,256 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 20:48:19,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 20:48:19,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 20:48:19,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 20:48:19,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 20:48:19,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 20:48:19,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 20:48:19,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 20:48:19,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 20:48:19,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 20:48:19,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 20:48:19,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 20:48:19,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 20:48:19,265 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 20:48:19,278 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 20:48:19,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 20:48:19,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 20:48:19,280 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 20:48:19,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 20:48:19,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 20:48:19,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 20:48:19,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 20:48:19,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 20:48:19,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 20:48:19,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 20:48:19,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 20:48:19,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 20:48:19,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 20:48:19,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 20:48:19,282 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 20:48:19,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 20:48:19,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 20:48:19,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 20:48:19,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 20:48:19,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 20:48:19,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 20:48:19,284 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 20:48:19,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 20:48:19,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 20:48:19,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 20:48:19,743 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 20:48:19,744 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 20:48:19,745 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c [2020-09-04 20:48:19,847 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/716d4c93c/5bee8cfa4d35463184219f4c29208586/FLAGf35610b84 [2020-09-04 20:48:20,413 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 20:48:20,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product12.cil.c [2020-09-04 20:48:20,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/716d4c93c/5bee8cfa4d35463184219f4c29208586/FLAGf35610b84 [2020-09-04 20:48:20,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/716d4c93c/5bee8cfa4d35463184219f4c29208586 [2020-09-04 20:48:20,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 20:48:20,721 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 20:48:20,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 20:48:20,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 20:48:20,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 20:48:20,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:48:20" (1/1) ... [2020-09-04 20:48:20,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22589b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:20, skipping insertion in model container [2020-09-04 20:48:20,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 08:48:20" (1/1) ... [2020-09-04 20:48:20,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 20:48:20,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 20:48:21,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:48:21,216 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 20:48:21,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 20:48:21,437 INFO L208 MainTranslator]: Completed translation [2020-09-04 20:48:21,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21 WrapperNode [2020-09-04 20:48:21,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 20:48:21,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 20:48:21,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 20:48:21,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 20:48:21,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (1/1) ... [2020-09-04 20:48:21,541 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 20:48:21,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 20:48:21,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 20:48:21,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 20:48:21,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (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 20:48:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 20:48:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 20:48:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 20:48:21,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:48:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 20:48:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 20:48:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 20:48:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-09-04 20:48:21,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 20:48:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 20:48:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 20:48:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 20:48:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 20:48:21,632 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-04 20:48:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 20:48:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 20:48:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 20:48:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 20:48:21,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 20:48:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 20:48:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 20:48:21,634 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 20:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 20:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 20:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 20:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 20:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 20:48:21,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 20:48:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 20:48:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 20:48:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 20:48:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 20:48:21,636 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 20:48:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 20:48:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 20:48:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 20:48:21,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 20:48:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 20:48:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 20:48:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 20:48:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 20:48:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 20:48:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 20:48:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 20:48:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-09-04 20:48:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 20:48:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 20:48:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 20:48:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-04 20:48:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 20:48:21,639 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 20:48:21,640 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 20:48:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-09-04 20:48:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 20:48:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 20:48:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 20:48:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 20:48:21,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 20:48:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 20:48:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 20:48:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 20:48:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 20:48:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 20:48:21,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 20:48:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 20:48:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 20:48:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 20:48:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 20:48:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 20:48:21,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 20:48:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 20:48:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 20:48:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 20:48:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 20:48:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 20:48:21,644 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 20:48:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 20:48:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 20:48:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 20:48:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 20:48:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 20:48:21,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 20:48:22,819 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 20:48:22,819 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 20:48:22,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:48:22 BoogieIcfgContainer [2020-09-04 20:48:22,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 20:48:22,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 20:48:22,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 20:48:22,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 20:48:22,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 08:48:20" (1/3) ... [2020-09-04 20:48:22,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197d45d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:48:22, skipping insertion in model container [2020-09-04 20:48:22,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 08:48:21" (2/3) ... [2020-09-04 20:48:22,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197d45d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 08:48:22, skipping insertion in model container [2020-09-04 20:48:22,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 08:48:22" (3/3) ... [2020-09-04 20:48:22,835 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product12.cil.c [2020-09-04 20:48:22,847 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 20:48:22,858 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 20:48:22,880 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 20:48:22,911 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 20:48:22,911 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 20:48:22,911 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 20:48:22,911 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 20:48:22,912 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 20:48:22,912 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 20:48:22,912 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 20:48:22,912 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 20:48:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states. [2020-09-04 20:48:22,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-04 20:48:22,977 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:22,978 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] [2020-09-04 20:48:22,978 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:22,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:22,984 INFO L82 PathProgramCache]: Analyzing trace with hash 459580304, now seen corresponding path program 1 times [2020-09-04 20:48:22,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:22,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633392852] [2020-09-04 20:48:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,780 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:23,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:23,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 20:48:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:48:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-09-04 20:48:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 20:48:23,957 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633392852] [2020-09-04 20:48:23,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:23,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 20:48:23,961 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182998671] [2020-09-04 20:48:23,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 20:48:23,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:23,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 20:48:23,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-04 20:48:23,988 INFO L87 Difference]: Start difference. First operand 281 states. Second operand 3 states. [2020-09-04 20:48:25,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:25,182 INFO L93 Difference]: Finished difference Result 394 states and 471 transitions. [2020-09-04 20:48:25,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 20:48:25,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2020-09-04 20:48:25,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:25,203 INFO L225 Difference]: With dead ends: 394 [2020-09-04 20:48:25,203 INFO L226 Difference]: Without dead ends: 254 [2020-09-04 20:48:25,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 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 20:48:25,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-09-04 20:48:25,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 214. [2020-09-04 20:48:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-09-04 20:48:25,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 229 transitions. [2020-09-04 20:48:25,334 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 229 transitions. Word has length 153 [2020-09-04 20:48:25,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:25,335 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 229 transitions. [2020-09-04 20:48:25,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 20:48:25,335 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 229 transitions. [2020-09-04 20:48:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-09-04 20:48:25,340 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:25,340 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] [2020-09-04 20:48:25,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 20:48:25,341 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:25,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:25,342 INFO L82 PathProgramCache]: Analyzing trace with hash 418244228, now seen corresponding path program 1 times [2020-09-04 20:48:25,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:25,342 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890570984] [2020-09-04 20:48:25,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,762 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:25,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:25,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-09-04 20:48:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-09-04 20:48:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-09-04 20:48:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:25,903 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 20:48:25,904 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890570984] [2020-09-04 20:48:25,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:25,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 20:48:25,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670575245] [2020-09-04 20:48:25,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 20:48:25,909 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:25,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 20:48:25,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 20:48:25,911 INFO L87 Difference]: Start difference. First operand 214 states and 229 transitions. Second operand 4 states. [2020-09-04 20:48:26,579 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:48:27,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:27,218 INFO L93 Difference]: Finished difference Result 298 states and 332 transitions. [2020-09-04 20:48:27,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 20:48:27,219 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 154 [2020-09-04 20:48:27,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:27,223 INFO L225 Difference]: With dead ends: 298 [2020-09-04 20:48:27,223 INFO L226 Difference]: Without dead ends: 237 [2020-09-04 20:48:27,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 20:48:27,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-09-04 20:48:27,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 204. [2020-09-04 20:48:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-04 20:48:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 216 transitions. [2020-09-04 20:48:27,311 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 216 transitions. Word has length 154 [2020-09-04 20:48:27,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:27,313 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 216 transitions. [2020-09-04 20:48:27,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 20:48:27,314 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2020-09-04 20:48:27,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-04 20:48:27,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:27,320 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 20:48:27,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 20:48:27,320 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:27,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:27,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1459194471, now seen corresponding path program 1 times [2020-09-04 20:48:27,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:27,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2142610057] [2020-09-04 20:48:27,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,797 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:27,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 20:48:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 20:48:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-09-04 20:48:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:27,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-09-04 20:48:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:28,013 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 20:48:28,013 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2142610057] [2020-09-04 20:48:28,014 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:28,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 20:48:28,014 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845480770] [2020-09-04 20:48:28,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 20:48:28,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:28,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 20:48:28,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 20:48:28,016 INFO L87 Difference]: Start difference. First operand 204 states and 216 transitions. Second operand 10 states. [2020-09-04 20:48:28,687 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:48:29,104 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 20:48:29,345 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 20:48:29,583 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:29,863 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:48:30,201 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:31,193 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 20:48:32,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:32,868 INFO L93 Difference]: Finished difference Result 550 states and 638 transitions. [2020-09-04 20:48:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 20:48:32,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-04 20:48:32,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:32,878 INFO L225 Difference]: With dead ends: 550 [2020-09-04 20:48:32,878 INFO L226 Difference]: Without dead ends: 456 [2020-09-04 20:48:32,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 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 20:48:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2020-09-04 20:48:33,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 357. [2020-09-04 20:48:33,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-09-04 20:48:33,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 392 transitions. [2020-09-04 20:48:33,048 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 392 transitions. Word has length 167 [2020-09-04 20:48:33,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:33,048 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 392 transitions. [2020-09-04 20:48:33,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 20:48:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 392 transitions. [2020-09-04 20:48:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 20:48:33,051 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:33,051 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] [2020-09-04 20:48:33,052 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 20:48:33,052 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:33,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:33,052 INFO L82 PathProgramCache]: Analyzing trace with hash -651029142, now seen corresponding path program 1 times [2020-09-04 20:48:33,052 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:33,053 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953248007] [2020-09-04 20:48:33,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,439 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-04 20:48:33,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 20:48:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-04 20:48:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-04 20:48:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-04 20:48:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 20:48:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 20:48:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-09-04 20:48:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 20:48:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 20:48:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-04 20:48:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 20:48:33,617 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 20:48:33,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953248007] [2020-09-04 20:48:33,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 20:48:33,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 20:48:33,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263757819] [2020-09-04 20:48:33,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 20:48:33,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 20:48:33,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 20:48:33,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-09-04 20:48:33,621 INFO L87 Difference]: Start difference. First operand 357 states and 392 transitions. Second operand 9 states. [2020-09-04 20:48:34,244 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:48:35,667 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:36,010 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:48:36,403 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:36,742 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-04 20:48:37,049 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 20:48:37,384 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:37,678 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-04 20:48:38,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 20:48:38,226 INFO L93 Difference]: Finished difference Result 909 states and 1077 transitions. [2020-09-04 20:48:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 20:48:38,226 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 170 [2020-09-04 20:48:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 20:48:38,237 INFO L225 Difference]: With dead ends: 909 [2020-09-04 20:48:38,237 INFO L226 Difference]: Without dead ends: 662 [2020-09-04 20:48:38,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2020-09-04 20:48:38,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-09-04 20:48:38,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 579. [2020-09-04 20:48:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2020-09-04 20:48:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 655 transitions. [2020-09-04 20:48:38,427 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 655 transitions. Word has length 170 [2020-09-04 20:48:38,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 20:48:38,428 INFO L479 AbstractCegarLoop]: Abstraction has 579 states and 655 transitions. [2020-09-04 20:48:38,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 20:48:38,428 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 655 transitions. [2020-09-04 20:48:38,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-09-04 20:48:38,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 20:48:38,432 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] [2020-09-04 20:48:38,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 20:48:38,432 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 20:48:38,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 20:48:38,433 INFO L82 PathProgramCache]: Analyzing trace with hash 232069563, now seen corresponding path program 1 times [2020-09-04 20:48:38,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 20:48:38,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215225103] [2020-09-04 20:48:38,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 20:48:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:48:38,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:48:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 20:48:38,581 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 20:48:38,763 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 20:48:38,763 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 20:48:38,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 20:48:38,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 08:48:38 BoogieIcfgContainer [2020-09-04 20:48:38,980 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 20:48:38,982 INFO L168 Benchmark]: Toolchain (without parser) took 18262.09 ms. Allocated memory was 140.0 MB in the beginning and 562.0 MB in the end (delta: 422.1 MB). Free memory was 103.2 MB in the beginning and 248.8 MB in the end (delta: -145.5 MB). Peak memory consumption was 276.5 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:38,985 INFO L168 Benchmark]: CDTParser took 2.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 20:48:38,990 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.09 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 175.7 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:38,992 INFO L168 Benchmark]: Boogie Preprocessor took 102.17 ms. Allocated memory is still 205.0 MB. Free memory was 175.7 MB in the beginning and 171.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:38,993 INFO L168 Benchmark]: RCFGBuilder took 1284.43 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 171.6 MB in the beginning and 181.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:38,993 INFO L168 Benchmark]: TraceAbstraction took 16152.89 ms. Allocated memory was 237.0 MB in the beginning and 562.0 MB in the end (delta: 325.1 MB). Free memory was 181.9 MB in the beginning and 248.8 MB in the end (delta: -66.9 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. [2020-09-04 20:48:39,002 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.23 ms. Allocated memory is still 140.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.09 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 102.8 MB in the beginning and 175.7 MB in the end (delta: -72.9 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.17 ms. Allocated memory is still 205.0 MB. Free memory was 175.7 MB in the beginning and 171.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1284.43 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 171.6 MB in the beginning and 181.9 MB in the end (delta: -10.2 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16152.89 ms. Allocated memory was 237.0 MB in the beginning and 562.0 MB in the end (delta: 325.1 MB). Free memory was 181.9 MB in the beginning and 248.8 MB in the end (delta: -66.9 MB). Peak memory consumption was 258.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 890]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L158] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=168, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=168, head={176:161}, methaneLevelCritical=147, pumpRunning=0, systemActive=138, waterLevel=144] [L159] int systemActive = 1; VAL [\old(cleanupTimeShifts)=168, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=168, head={176:161}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=144] [L306] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=168, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=168, head={176:161}, methaneLevelCritical=147, pumpRunning=0, systemActive=1, waterLevel=1] [L307] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=168, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=168, head={176:161}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L593] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=168, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=168, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L790] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=168, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=147, \old(pumpRunning)=139, \old(systemActive)=138, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L863] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L864] 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] [L868] 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] [L869] 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] [L870] 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] [L415] 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] [L418] 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] [L419] 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] [L870] 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] [L870] 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] [L872] 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] [L874] 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] [L875] 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] [L857] 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] [L85] 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] [L86] 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] [L87] 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] [L88] 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] [L89] 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] [L92] 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] [L94] 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] [L96] 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] [L102] 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] [L104] 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] [L106] 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] [L324] 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] [L325] 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] [L106] 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] [L112] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L114] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L122] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L124] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L126] CALL startSystem() 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] [L301] systemActive = 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] [L126] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L141] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L165] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L174] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L180] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L45] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L46] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L345] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L348] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L349] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L377] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L380] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L381] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L238] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L242] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L890] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 597 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 15.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 796 SDtfs, 1165 SDslu, 1296 SDs, 0 SdLazy, 2276 SolverSat, 398 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 5.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=579occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 255 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 819 NumberOfCodeBlocks, 819 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 640 ConstructedInterpolants, 0 QuantifiedInterpolants, 247786 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...