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 -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/elevator_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:31:02,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:31:02,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:31:02,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:31:02,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:31:02,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:31:02,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:31:02,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:31:02,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:31:02,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:31:02,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:31:02,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:31:02,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:31:02,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:31:02,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:31:02,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:31:02,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:31:02,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:31:02,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:31:02,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:31:02,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:31:02,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:31:02,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:31:02,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:31:02,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:31:02,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:31:02,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:31:02,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:31:02,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:31:02,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:31:02,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:31:02,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:31:02,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:31:02,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:31:02,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:31:02,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:31:02,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:31:02,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:31:02,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:31:02,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:31:02,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:31:02,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:31:02,309 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:31:02,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:31:02,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:31:02,309 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:31:02,310 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:31:02,310 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:31:02,310 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:31:02,311 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:31:02,311 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:31:02,311 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:31:02,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:31:02,312 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:31:02,312 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:31:02,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:31:02,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:31:02,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:31:02,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:31:02,313 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:31:02,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:31:02,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:31:02,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:31:02,314 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:31:02,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:31:02,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:31:02,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:31:02,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:31:02,315 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:31:02,315 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:31:02,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:31:02,316 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:31:02,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:31:02,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:31:02,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:31:02,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:31:02,358 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:31:02,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/elevator_spec1_product21.cil.c [2019-09-10 02:31:02,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6fca9fe/6cd4c24cb2584552904efaefcb1e6c64/FLAGe137ddcc5 [2019-09-10 02:31:02,958 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:31:02,959 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/elevator_spec1_product21.cil.c [2019-09-10 02:31:02,986 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6fca9fe/6cd4c24cb2584552904efaefcb1e6c64/FLAGe137ddcc5 [2019-09-10 02:31:03,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e6fca9fe/6cd4c24cb2584552904efaefcb1e6c64 [2019-09-10 02:31:03,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:31:03,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:31:03,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:31:03,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:31:03,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:31:03,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:31:03" (1/1) ... [2019-09-10 02:31:03,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f070b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:03, skipping insertion in model container [2019-09-10 02:31:03,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:31:03" (1/1) ... [2019-09-10 02:31:03,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:31:03,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:31:03,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:31:03,947 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:31:04,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:31:04,157 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:31:04,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04 WrapperNode [2019-09-10 02:31:04,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:31:04,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:31:04,159 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:31:04,159 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:31:04,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,231 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,231 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... [2019-09-10 02:31:04,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:31:04,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:31:04,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:31:04,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:31:04,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:31:04,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:31:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:31:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:31:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure initTopDown [2019-09-10 02:31:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure initBottomUp [2019-09-10 02:31:04,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isBlocked [2019-09-10 02:31:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator__wrappee__base [2019-09-10 02:31:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure enterElevator [2019-09-10 02:31:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator__wrappee__base [2019-09-10 02:31:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure leaveElevator [2019-09-10 02:31:04,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pressInLiftFloorButton [2019-09-10 02:31:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure resetFloorButton [2019-09-10 02:31:04,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentFloorID [2019-09-10 02:31:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure areDoorsOpen [2019-09-10 02:31:04,447 INFO L138 BoogieDeclarations]: Found implementation of procedure buttonForFloorIsPressed [2019-09-10 02:31:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getCurrentHeading [2019-09-10 02:31:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure isEmpty [2019-09-10 02:31:04,448 INFO L138 BoogieDeclarations]: Found implementation of procedure anyStopRequested [2019-09-10 02:31:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isIdle [2019-09-10 02:31:04,449 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection__wrappee__weight [2019-09-10 02:31:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedInDirection [2019-09-10 02:31:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure isAnyLiftButtonPressed [2019-09-10 02:31:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure continueInDirection [2019-09-10 02:31:04,450 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-09-10 02:31:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure stopRequestedAtCurrentFloor [2019-09-10 02:31:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getReverseHeading [2019-09-10 02:31:04,451 INFO L138 BoogieDeclarations]: Found implementation of procedure processWaitingOnFloor [2019-09-10 02:31:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:31:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure printState [2019-09-10 02:31:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure existInLiftCallsInDirection [2019-09-10 02:31:04,452 INFO L138 BoogieDeclarations]: Found implementation of procedure get_nondetMinMax07 [2019-09-10 02:31:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure bobCall [2019-09-10 02:31:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aliceCall [2019-09-10 02:31:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure angelinaCall [2019-09-10 02:31:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckCall [2019-09-10 02:31:04,453 INFO L138 BoogieDeclarations]: Found implementation of procedure monicaCall [2019-09-10 02:31:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure bigMacCall [2019-09-10 02:31:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure threeTS [2019-09-10 02:31:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:31:04,454 INFO L138 BoogieDeclarations]: Found implementation of procedure randomSequenceOfActions [2019-09-10 02:31:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest_Simple [2019-09-10 02:31:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification1 [2019-09-10 02:31:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:31:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification3 [2019-09-10 02:31:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:31:04,455 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:31:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spec1 [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spec14 [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:31:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:31:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure initFloors [2019-09-10 02:31:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isFloorCalling [2019-09-10 02:31:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure resetCallOnFloor [2019-09-10 02:31:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure callOnFloor [2019-09-10 02:31:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isPersonOnFloor [2019-09-10 02:31:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure initPersonOnFloor [2019-09-10 02:31:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure removePersonFromFloor [2019-09-10 02:31:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isTopFloor [2019-09-10 02:31:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:31:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getWeight [2019-09-10 02:31:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getOrigin [2019-09-10 02:31:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getDestination [2019-09-10 02:31:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:31:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__2 [2019-09-10 02:31:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__3 [2019-09-10 02:31:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__4 [2019-09-10 02:31:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:31:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:31:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:31:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure getWeight [2019-09-10 02:31:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure getDestination [2019-09-10 02:31:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator [2019-09-10 02:31:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure isFloorCalling [2019-09-10 02:31:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure resetCallOnFloor [2019-09-10 02:31:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure isPersonOnFloor [2019-09-10 02:31:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure removePersonFromFloor [2019-09-10 02:31:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure isTopFloor [2019-09-10 02:31:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure initFloors [2019-09-10 02:31:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:31:04,465 INFO L130 BoogieDeclarations]: Found specification of procedure isBlocked [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure printState [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure isEmpty [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure isAnyLiftButtonPressed [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure buttonForFloorIsPressed [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure initTopDown [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure initBottomUp [2019-09-10 02:31:04,466 INFO L130 BoogieDeclarations]: Found specification of procedure areDoorsOpen [2019-09-10 02:31:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentFloorID [2019-09-10 02:31:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure isIdle [2019-09-10 02:31:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure enterElevator__wrappee__base [2019-09-10 02:31:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator__wrappee__base [2019-09-10 02:31:04,467 INFO L130 BoogieDeclarations]: Found specification of procedure leaveElevator [2019-09-10 02:31:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure pressInLiftFloorButton [2019-09-10 02:31:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure resetFloorButton [2019-09-10 02:31:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure getCurrentHeading [2019-09-10 02:31:04,468 INFO L130 BoogieDeclarations]: Found specification of procedure anyStopRequested [2019-09-10 02:31:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection__wrappee__weight [2019-09-10 02:31:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedInDirection [2019-09-10 02:31:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure continueInDirection [2019-09-10 02:31:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor__wrappee__weight [2019-09-10 02:31:04,469 INFO L130 BoogieDeclarations]: Found specification of procedure stopRequestedAtCurrentFloor [2019-09-10 02:31:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure getReverseHeading [2019-09-10 02:31:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure processWaitingOnFloor [2019-09-10 02:31:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__3 [2019-09-10 02:31:04,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:31:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure existInLiftCallsInDirection [2019-09-10 02:31:04,471 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-10 02:31:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_nondetMinMax07 [2019-09-10 02:31:04,473 INFO L130 BoogieDeclarations]: Found specification of procedure initPersonOnFloor [2019-09-10 02:31:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure getOrigin [2019-09-10 02:31:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure bobCall [2019-09-10 02:31:04,474 INFO L130 BoogieDeclarations]: Found specification of procedure aliceCall [2019-09-10 02:31:04,475 INFO L130 BoogieDeclarations]: Found specification of procedure angelinaCall [2019-09-10 02:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure chuckCall [2019-09-10 02:31:04,476 INFO L130 BoogieDeclarations]: Found specification of procedure monicaCall [2019-09-10 02:31:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure bigMacCall [2019-09-10 02:31:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure threeTS [2019-09-10 02:31:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:31:04,477 INFO L130 BoogieDeclarations]: Found specification of procedure randomSequenceOfActions [2019-09-10 02:31:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure runTest_Simple [2019-09-10 02:31:04,478 INFO L130 BoogieDeclarations]: Found specification of procedure Specification1 [2019-09-10 02:31:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:31:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure Specification3 [2019-09-10 02:31:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:31:04,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-10 02:31:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__4 [2019-09-10 02:31:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:31:04,480 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:31:04,481 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:31:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:31:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:31:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:31:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:31:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:31:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:31:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:31:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:31:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:31:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:31:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:31:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:31:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:31:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:31:04,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:31:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:31:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:31:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:31:04,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:31:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure spec1 [2019-09-10 02:31:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure spec14 [2019-09-10 02:31:04,496 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:31:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure callOnFloor [2019-09-10 02:31:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__2 [2019-09-10 02:31:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:31:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:31:04,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:31:04,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:31:07,163 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:31:07,164 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-10 02:31:07,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:31:07 BoogieIcfgContainer [2019-09-10 02:31:07,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:31:07,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:31:07,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:31:07,171 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:31:07,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:31:03" (1/3) ... [2019-09-10 02:31:07,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92288f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:31:07, skipping insertion in model container [2019-09-10 02:31:07,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:31:04" (2/3) ... [2019-09-10 02:31:07,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92288f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:31:07, skipping insertion in model container [2019-09-10 02:31:07,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:31:07" (3/3) ... [2019-09-10 02:31:07,174 INFO L109 eAbstractionObserver]: Analyzing ICFG elevator_spec1_product21.cil.c [2019-09-10 02:31:07,185 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:31:07,197 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:31:07,216 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:31:07,255 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:31:07,255 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:31:07,255 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:31:07,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:31:07,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:31:07,256 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:31:07,256 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:31:07,256 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:31:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states. [2019-09-10 02:31:07,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-10 02:31:07,369 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:31:07,372 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:31:07,378 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:31:07,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:31:07,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1975081631, now seen corresponding path program 1 times [2019-09-10 02:31:07,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:31:07,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:31:07,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:31:07,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:31:07,453 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:31:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:31:08,180 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-09-10 02:31:08,182 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:31:08,183 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:31:08,184 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2019-09-10 02:31:08,190 INFO L207 CegarAbsIntRunner]: [0], [2], [4], [62], [63], [315], [319], [322], [338], [340], [342], [343], [346], [364], [393], [394], [396], [408], [410], [411], [474], [538], [540], [637], [640], [645], [648], [667], [668], [670], [705], [707], [714], [719], [752], [753], [819], [822], [824], [826], [830], [833], [836], [839], [1016], [1069], [1073], [1097], [1282], [1285], [1307], [1308], [1321], [1324], [1330], [1334], [1376], [1379], [1397], [1447], [1448], [1801], [1968], [1971], [2130], [2131], [2241], [2243], [2262], [2282], [2302], [2322], [2342], [2344], [2347], [2382], [2383], [2417], [2420], [2444], [2445], [2446], [2447], [2448], [2491], [2492], [2493], [2494], [2495], [2496], [2497], [2498], [2499], [2509], [2510], [2511], [2512], [2537], [2538], [2543], [2544], [2549], [2550], [2551], [2552], [2553], [2554], [2577], [2578], [2607], [2608], [2609], [2610], [2621], [2622], [2623], [2624], [2641], [2642], [2643], [2644], [2647], [2648], [2655], [2656], [2657], [2658], [2659], [2681], [2682], [2737], [2738], [2739], [2805], [2806], [2817] [2019-09-10 02:31:08,260 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:31:08,260 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:31:08,396 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:31:08,398 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 150 root evaluator evaluations with a maximum evaluation depth of 0. Performed 150 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 262 variables. [2019-09-10 02:31:08,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:31:08,402 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:31:08,477 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:31:08,478 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:31:08,484 INFO L420 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2019-09-10 02:31:08,484 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:31:08,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:31:08,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 02:31:08,485 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:31:08,491 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:31:08,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:31:08,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:31:08,499 INFO L87 Difference]: Start difference. First operand 774 states. Second operand 2 states. [2019-09-10 02:31:08,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:31:08,513 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:31:08,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:31:08,514 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 155 [2019-09-10 02:31:08,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:31:08,521 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:31:08,522 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:31:08,523 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:31:08,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:31:08,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:31:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:31:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:31:08,553 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-09-10 02:31:08,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:31:08,554 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:31:08,554 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:31:08,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:31:08,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:31:08,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:31:08 BoogieIcfgContainer [2019-09-10 02:31:08,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:31:08,562 INFO L168 Benchmark]: Toolchain (without parser) took 5372.13 ms. Allocated memory was 134.7 MB in the beginning and 259.5 MB in the end (delta: 124.8 MB). Free memory was 88.1 MB in the beginning and 171.6 MB in the end (delta: -83.5 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:08,563 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:31:08,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 967.76 ms. Allocated memory was 134.7 MB in the beginning and 204.5 MB in the end (delta: 69.7 MB). Free memory was 87.9 MB in the beginning and 144.0 MB in the end (delta: -56.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:08,565 INFO L168 Benchmark]: Boogie Preprocessor took 195.36 ms. Allocated memory is still 204.5 MB. Free memory was 144.0 MB in the beginning and 134.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:08,566 INFO L168 Benchmark]: RCFGBuilder took 2811.03 ms. Allocated memory was 204.5 MB in the beginning and 260.6 MB in the end (delta: 56.1 MB). Free memory was 134.6 MB in the beginning and 146.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:31:08,567 INFO L168 Benchmark]: TraceAbstraction took 1393.16 ms. Allocated memory was 260.6 MB in the beginning and 259.5 MB in the end (delta: -1.0 MB). Free memory was 146.4 MB in the beginning and 171.6 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:31:08,572 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 967.76 ms. Allocated memory was 134.7 MB in the beginning and 204.5 MB in the end (delta: 69.7 MB). Free memory was 87.9 MB in the beginning and 144.0 MB in the end (delta: -56.1 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 195.36 ms. Allocated memory is still 204.5 MB. Free memory was 144.0 MB in the beginning and 134.6 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2811.03 ms. Allocated memory was 204.5 MB in the beginning and 260.6 MB in the end (delta: 56.1 MB). Free memory was 134.6 MB in the beginning and 146.4 MB in the end (delta: -11.8 MB). Peak memory consumption was 92.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1393.16 ms. Allocated memory was 260.6 MB in the beginning and 259.5 MB in the end (delta: -1.0 MB). Free memory was 146.4 MB in the beginning and 171.6 MB in the end (delta: -25.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3100]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 76 procedures, 910 locations, 1 error locations. SAFE Result, 1.3s OverallTime, 1 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=774occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.7792207792207793 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 154 ConstructedInterpolants, 0 QuantifiedInterpolants, 24640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 19/22 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...