java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem07_label22_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-df4b876 [2018-11-07 02:13:43,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-07 02:13:43,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-07 02:13:43,476 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-07 02:13:43,476 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-07 02:13:43,478 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-07 02:13:43,479 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-07 02:13:43,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-07 02:13:43,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-07 02:13:43,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-07 02:13:43,485 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-07 02:13:43,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-07 02:13:43,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-07 02:13:43,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-07 02:13:43,489 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-07 02:13:43,490 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-07 02:13:43,491 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-07 02:13:43,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-07 02:13:43,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-07 02:13:43,497 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-07 02:13:43,498 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-07 02:13:43,500 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-07 02:13:43,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-07 02:13:43,503 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-07 02:13:43,503 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-07 02:13:43,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-07 02:13:43,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-07 02:13:43,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-07 02:13:43,507 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-07 02:13:43,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-07 02:13:43,509 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-07 02:13:43,510 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-07 02:13:43,510 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-07 02:13:43,510 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-07 02:13:43,511 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-07 02:13:43,512 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-07 02:13:43,513 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-64bit-Taipan_Default.epf [2018-11-07 02:13:43,529 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-07 02:13:43,530 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-07 02:13:43,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-07 02:13:43,531 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-07 02:13:43,531 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-07 02:13:43,531 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-07 02:13:43,531 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-07 02:13:43,532 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-07 02:13:43,532 INFO L133 SettingsManager]: * Log string format=TERM [2018-11-07 02:13:43,532 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-07 02:13:43,532 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-07 02:13:43,533 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-07 02:13:43,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-07 02:13:43,533 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-07 02:13:43,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-07 02:13:43,534 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-07 02:13:43,534 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-07 02:13:43,534 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-07 02:13:43,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-07 02:13:43,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-07 02:13:43,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-07 02:13:43,535 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-07 02:13:43,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-07 02:13:43,536 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-07 02:13:43,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-07 02:13:43,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-07 02:13:43,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-07 02:13:43,537 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-07 02:13:43,537 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-07 02:13:43,537 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-07 02:13:43,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-07 02:13:43,537 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-07 02:13:43,537 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-11-07 02:13:43,538 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-11-07 02:13:43,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-07 02:13:43,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-07 02:13:43,623 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-07 02:13:43,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-07 02:13:43,625 INFO L276 PluginConnector]: CDTParser initialized [2018-11-07 02:13:43,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem07_label22_true-unreach-call.c [2018-11-07 02:13:43,694 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993e8686d/19d35012b0d04900a33d32bcdf610d85/FLAG8e77e3620 [2018-11-07 02:13:45,740 INFO L298 CDTParser]: Found 1 translation units. [2018-11-07 02:13:45,741 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem07_label22_true-unreach-call.c [2018-11-07 02:13:45,981 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993e8686d/19d35012b0d04900a33d32bcdf610d85/FLAG8e77e3620 [2018-11-07 02:13:45,995 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/993e8686d/19d35012b0d04900a33d32bcdf610d85 [2018-11-07 02:13:46,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-07 02:13:46,009 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-07 02:13:46,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-07 02:13:46,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-07 02:13:46,016 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-07 02:13:46,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:45" (1/1) ... [2018-11-07 02:13:46,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a2ccaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:13:46, skipping insertion in model container [2018-11-07 02:13:46,020 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:13:45" (1/1) ... [2018-11-07 02:13:46,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-07 02:13:47,335 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-07 02:13:58,203 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:13:58,206 INFO L189 MainTranslator]: Completed pre-run [2018-11-07 02:14:04,590 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-07 02:14:05,560 INFO L193 MainTranslator]: Completed translation [2018-11-07 02:14:05,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05 WrapperNode [2018-11-07 02:14:05,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-07 02:14:05,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-07 02:14:05,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-07 02:14:05,562 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-07 02:14:05,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:09,162 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:09,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-07 02:14:09,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-07 02:14:09,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-07 02:14:09,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-07 02:14:09,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:09,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:09,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:09,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:10,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:10,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:11,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (1/1) ... [2018-11-07 02:14:11,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-07 02:14:11,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-07 02:14:11,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-07 02:14:11,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-07 02:14:11,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (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 [2018-11-07 02:14:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-07 02:14:11,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-07 02:14:11,935 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output29 [2018-11-07 02:14:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output29 [2018-11-07 02:14:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output28 [2018-11-07 02:14:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output28 [2018-11-07 02:14:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output36 [2018-11-07 02:14:11,936 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output36 [2018-11-07 02:14:11,936 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output35 [2018-11-07 02:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output35 [2018-11-07 02:14:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output38 [2018-11-07 02:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output38 [2018-11-07 02:14:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output37 [2018-11-07 02:14:11,937 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output37 [2018-11-07 02:14:11,937 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output32 [2018-11-07 02:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output32 [2018-11-07 02:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output31 [2018-11-07 02:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output31 [2018-11-07 02:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output34 [2018-11-07 02:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output34 [2018-11-07 02:14:11,938 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output33 [2018-11-07 02:14:11,938 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output33 [2018-11-07 02:14:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output30 [2018-11-07 02:14:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output30 [2018-11-07 02:14:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output39 [2018-11-07 02:14:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output39 [2018-11-07 02:14:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output46 [2018-11-07 02:14:11,939 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output46 [2018-11-07 02:14:11,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-07 02:14:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output43 [2018-11-07 02:14:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output43 [2018-11-07 02:14:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output42 [2018-11-07 02:14:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output42 [2018-11-07 02:14:11,940 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output45 [2018-11-07 02:14:11,940 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output45 [2018-11-07 02:14:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output44 [2018-11-07 02:14:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output44 [2018-11-07 02:14:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output41 [2018-11-07 02:14:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output41 [2018-11-07 02:14:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output40 [2018-11-07 02:14:11,941 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output40 [2018-11-07 02:14:11,941 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output9 [2018-11-07 02:14:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output9 [2018-11-07 02:14:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output14 [2018-11-07 02:14:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output14 [2018-11-07 02:14:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output8 [2018-11-07 02:14:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output8 [2018-11-07 02:14:11,942 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output13 [2018-11-07 02:14:11,942 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output13 [2018-11-07 02:14:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output7 [2018-11-07 02:14:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output7 [2018-11-07 02:14:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output16 [2018-11-07 02:14:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output16 [2018-11-07 02:14:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output6 [2018-11-07 02:14:11,943 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output6 [2018-11-07 02:14:11,943 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output15 [2018-11-07 02:14:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output15 [2018-11-07 02:14:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output5 [2018-11-07 02:14:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output5 [2018-11-07 02:14:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output10 [2018-11-07 02:14:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output10 [2018-11-07 02:14:11,944 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2018-11-07 02:14:11,944 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2018-11-07 02:14:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2018-11-07 02:14:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2018-11-07 02:14:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output12 [2018-11-07 02:14:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output12 [2018-11-07 02:14:11,945 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-07 02:14:11,945 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-07 02:14:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output11 [2018-11-07 02:14:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output11 [2018-11-07 02:14:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-07 02:14:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-07 02:14:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output18 [2018-11-07 02:14:11,946 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output18 [2018-11-07 02:14:11,946 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output17 [2018-11-07 02:14:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output17 [2018-11-07 02:14:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output19 [2018-11-07 02:14:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output19 [2018-11-07 02:14:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output25 [2018-11-07 02:14:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output25 [2018-11-07 02:14:11,947 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output24 [2018-11-07 02:14:11,947 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output24 [2018-11-07 02:14:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-07 02:14:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-07 02:14:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output27 [2018-11-07 02:14:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output27 [2018-11-07 02:14:11,948 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output26 [2018-11-07 02:14:11,948 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output26 [2018-11-07 02:14:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output21 [2018-11-07 02:14:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output21 [2018-11-07 02:14:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output20 [2018-11-07 02:14:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output20 [2018-11-07 02:14:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output23 [2018-11-07 02:14:11,949 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output23 [2018-11-07 02:14:11,949 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output22 [2018-11-07 02:14:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output22 [2018-11-07 02:14:11,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-07 02:14:11,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-07 02:15:03,943 INFO L276 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-07 02:15:03,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:15:03 BoogieIcfgContainer [2018-11-07 02:15:03,944 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-07 02:15:03,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-07 02:15:03,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-07 02:15:03,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-07 02:15:03,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:13:45" (1/3) ... [2018-11-07 02:15:03,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c59ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:15:03, skipping insertion in model container [2018-11-07 02:15:03,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:14:05" (2/3) ... [2018-11-07 02:15:03,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c59ddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:15:03, skipping insertion in model container [2018-11-07 02:15:03,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:15:03" (3/3) ... [2018-11-07 02:15:03,952 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem07_label22_true-unreach-call.c [2018-11-07 02:15:03,962 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-07 02:15:03,976 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-07 02:15:03,996 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-07 02:15:04,069 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-07 02:15:04,069 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-07 02:15:04,069 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-07 02:15:04,069 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-07 02:15:04,070 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-07 02:15:04,070 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-07 02:15:04,070 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-07 02:15:04,070 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-07 02:15:04,218 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states. [2018-11-07 02:15:05,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10233 [2018-11-07 02:15:05,065 INFO L367 BasicCegarLoop]: Found error trace [2018-11-07 02:15:05,073 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-07 02:15:05,077 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_output46Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-07 02:15:05,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-07 02:15:05,089 INFO L82 PathProgramCache]: Analyzing trace with hash -204988885, now seen corresponding path program 1 times [2018-11-07 02:15:05,092 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-07 02:15:05,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:15:05,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-07 02:15:05,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-07 02:15:05,144 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-07 02:15:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-07 02:15:39,936 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 4 [2018-11-07 02:16:54,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-07 02:16:54,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-07 02:16:54,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-07 02:16:54,149 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-07 02:16:54,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-07 02:16:54,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-07 02:16:54,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-07 02:16:54,189 INFO L87 Difference]: Start difference. First operand 10447 states. Second operand 4 states. Received shutdown request... [2018-11-07 02:17:47,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-07 02:17:47,104 WARN L549 AbstractCegarLoop]: Verification canceled [2018-11-07 02:17:47,112 WARN L205 ceAbstractionStarter]: Timeout [2018-11-07 02:17:47,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:17:47 BoogieIcfgContainer [2018-11-07 02:17:47,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-07 02:17:47,113 INFO L168 Benchmark]: Toolchain (without parser) took 241105.92 ms. Allocated memory was 1.5 GB in the beginning and 4.5 GB in the end (delta: 3.0 GB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -112.4 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2018-11-07 02:17:47,115 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-11-07 02:17:47,116 INFO L168 Benchmark]: CACSL2BoogieTranslator took 19550.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 676.3 MB). Free memory was 1.2 GB in the beginning and 808.5 MB in the end (delta: 372.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-11-07 02:17:47,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 3648.19 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 992.5 MB). Free memory was 808.5 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 205.6 MB. Max. memory is 7.1 GB. [2018-11-07 02:17:47,118 INFO L168 Benchmark]: Boogie Preprocessor took 2655.01 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 392.5 MB). Peak memory consumption was 392.5 MB. Max. memory is 7.1 GB. [2018-11-07 02:17:47,119 INFO L168 Benchmark]: RCFGBuilder took 52078.70 ms. Allocated memory was 3.2 GB in the beginning and 4.2 GB in the end (delta: 994.1 MB). Free memory was 2.4 GB in the beginning and 3.1 GB in the end (delta: -718.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2018-11-07 02:17:47,120 INFO L168 Benchmark]: TraceAbstraction took 163167.88 ms. Allocated memory was 4.2 GB in the beginning and 4.5 GB in the end (delta: 370.7 MB). Free memory was 3.1 GB in the beginning and 1.3 GB in the end (delta: 1.8 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. [2018-11-07 02:17:47,126 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 19550.89 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 676.3 MB). Free memory was 1.2 GB in the beginning and 808.5 MB in the end (delta: 372.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 3648.19 ms. Allocated memory was 2.2 GB in the beginning and 3.2 GB in the end (delta: 992.5 MB). Free memory was 808.5 MB in the beginning and 2.8 GB in the end (delta: -2.0 GB). Peak memory consumption was 205.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 2655.01 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.4 GB in the end (delta: 392.5 MB). Peak memory consumption was 392.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 52078.70 ms. Allocated memory was 3.2 GB in the beginning and 4.2 GB in the end (delta: 994.1 MB). Free memory was 2.4 GB in the beginning and 3.1 GB in the end (delta: -718.3 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. * TraceAbstraction took 163167.88 ms. Allocated memory was 4.2 GB in the beginning and 4.5 GB in the end (delta: 370.7 MB). Free memory was 3.1 GB in the beginning and 1.3 GB in the end (delta: 1.8 GB). Peak memory consumption was 2.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 73643]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 73643). Cancelled while BasicCegarLoop was constructing difference of abstraction (10447states) and FLOYD_HOARE automaton (currently 4 states, 4 states before enhancement),while ReachableStatesComputation was computing reachable states (24103 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 49 procedures, 10447 locations, 1 error locations. TIMEOUT Result, 163.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 52.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1662 SDtfs, 12879 SDslu, 346 SDs, 0 SdLazy, 34550 SolverSat, 8066 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 47 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10447occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 1.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 10232 NumberOfCodeBlocks, 10232 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10231 ConstructedInterpolants, 0 QuantifiedInterpolants, 430346553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown