./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/McCarthy91_false-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/McCarthy91_false-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 37028c56b7915050ee6a79b5e737b9e44bf7c3db ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:12:02,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:12:02,637 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:12:02,644 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:12:02,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:12:02,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:12:02,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:12:02,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:12:02,649 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:12:02,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:12:02,650 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:12:02,650 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:12:02,651 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:12:02,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:12:02,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:12:02,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:12:02,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:12:02,656 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:12:02,657 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:12:02,658 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:12:02,659 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:12:02,660 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:12:02,662 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:12:02,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:12:02,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:12:02,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:12:02,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:12:02,664 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:12:02,665 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:12:02,666 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:12:02,666 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:12:02,667 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:12:02,667 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:12:02,667 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:12:02,668 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:12:02,668 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:12:02,668 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 07:12:02,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:12:02,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:12:02,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:12:02,677 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:12:02,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:12:02,678 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:12:02,678 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:12:02,678 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:12:02,679 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:12:02,680 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:12:02,680 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:12:02,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:12:02,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:12:02,680 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:12:02,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:12:02,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:12:02,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:12:02,681 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37028c56b7915050ee6a79b5e737b9e44bf7c3db [2018-11-23 07:12:02,707 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:12:02,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:12:02,720 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:12:02,721 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:12:02,721 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:12:02,722 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/McCarthy91_false-unreach-call_true-no-overflow_true-termination.c [2018-11-23 07:12:02,772 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/data/0a2cfc74f/bf5cd6a2ef1a4685a31d1eb4692b0466/FLAGebaf692cc [2018-11-23 07:12:03,102 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:12:03,102 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/sv-benchmarks/c/recursive/McCarthy91_false-unreach-call_true-no-overflow_true-termination.c [2018-11-23 07:12:03,106 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/data/0a2cfc74f/bf5cd6a2ef1a4685a31d1eb4692b0466/FLAGebaf692cc [2018-11-23 07:12:03,530 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/data/0a2cfc74f/bf5cd6a2ef1a4685a31d1eb4692b0466 [2018-11-23 07:12:03,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:12:03,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:12:03,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:12:03,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:12:03,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:12:03,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b5c9f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03, skipping insertion in model container [2018-11-23 07:12:03,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:12:03,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:12:03,665 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:12:03,668 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:12:03,677 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:12:03,686 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:12:03,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03 WrapperNode [2018-11-23 07:12:03,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:12:03,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:12:03,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:12:03,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:12:03,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:12:03,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:12:03,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:12:03,701 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:12:03,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... [2018-11-23 07:12:03,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:12:03,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:12:03,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:12:03,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:12:03,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/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 [2018-11-23 07:12:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:12:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:12:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:12:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:12:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:12:03,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:12:03,790 INFO L130 BoogieDeclarations]: Found specification of procedure f91 [2018-11-23 07:12:03,791 INFO L138 BoogieDeclarations]: Found implementation of procedure f91 [2018-11-23 07:12:03,887 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:12:03,887 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 07:12:03,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:12:03 BoogieIcfgContainer [2018-11-23 07:12:03,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:12:03,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:12:03,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:12:03,890 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:12:03,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:12:03" (1/3) ... [2018-11-23 07:12:03,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608af334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:12:03, skipping insertion in model container [2018-11-23 07:12:03,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:12:03" (2/3) ... [2018-11-23 07:12:03,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608af334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:12:03, skipping insertion in model container [2018-11-23 07:12:03,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:12:03" (3/3) ... [2018-11-23 07:12:03,893 INFO L112 eAbstractionObserver]: Analyzing ICFG McCarthy91_false-unreach-call_true-no-overflow_true-termination.c [2018-11-23 07:12:03,902 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:12:03,908 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:12:03,918 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:12:03,937 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:12:03,938 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:12:03,938 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:12:03,938 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:12:03,938 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:12:03,938 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:12:03,938 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:12:03,938 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:12:03,939 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:12:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-23 07:12:03,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 07:12:03,961 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:12:03,962 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:12:03,963 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:12:03,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:12:03,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1590359645, now seen corresponding path program 1 times [2018-11-23 07:12:03,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:12:03,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:12:04,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:04,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:12:04,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:12:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:12:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:12:04,047 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #26#return; [?] CALL call #t~ret4 := main(); [?] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~x~0 := #t~nondet2;havoc #t~nondet2; VAL [main_~x~0=102] [?] CALL call #t~ret3 := f91(~x~0); VAL [|f91_#in~x|=102] [?] ~x := #in~x; VAL [f91_~x=102, |f91_#in~x|=102] [?] assume ~x > 100;#res := ~x - 10; VAL [f91_~x=102, |f91_#in~x|=102, |f91_#res|=92] [?] assume true; VAL [f91_~x=102, |f91_#in~x|=102, |f91_#res|=92] [?] RET #30#return; VAL [main_~x~0=102, |main_#t~ret3|=92] [?] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~result~0 := #t~ret3;havoc #t~ret3; VAL [main_~result~0=92, main_~x~0=102] [?] assume !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)); VAL [main_~result~0=92, main_~x~0=102] [?] assume !false; VAL [main_~result~0=92, main_~x~0=102] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16-L20] assume ~x > 100; [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L15-L21] ensures true; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27-L31] assume !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)); VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16-L20] assume ~x > 100; [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L15-L21] ensures true; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27-L31] assume !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)); VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] [L25] int x = __VERIFIER_nondet_int(); [L26] CALL, EXPR f91(x) VAL [\old(x)=102] [L16] COND TRUE x > 100 [L17] return x -10; VAL [\old(x)=102, \result=92, x=102] [L26] RET, EXPR f91(x) VAL [f91(x)=92, x=102] [L26] int result = f91(x); [L27] COND FALSE !(result == 91 || x > 102 && result == x - 10) VAL [result=92, x=102] [L30] __VERIFIER_error() VAL [result=92, x=102] ----- [2018-11-23 07:12:04,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:12:04 BoogieIcfgContainer [2018-11-23 07:12:04,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:12:04,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:12:04,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:12:04,072 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:12:04,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:12:03" (3/4) ... [2018-11-23 07:12:04,074 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #26#return; [?] CALL call #t~ret4 := main(); [?] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647;~x~0 := #t~nondet2;havoc #t~nondet2; VAL [main_~x~0=102] [?] CALL call #t~ret3 := f91(~x~0); VAL [|f91_#in~x|=102] [?] ~x := #in~x; VAL [f91_~x=102, |f91_#in~x|=102] [?] assume ~x > 100;#res := ~x - 10; VAL [f91_~x=102, |f91_#in~x|=102, |f91_#res|=92] [?] assume true; VAL [f91_~x=102, |f91_#in~x|=102, |f91_#res|=92] [?] RET #30#return; VAL [main_~x~0=102, |main_#t~ret3|=92] [?] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~result~0 := #t~ret3;havoc #t~ret3; VAL [main_~result~0=92, main_~x~0=102] [?] assume !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)); VAL [main_~result~0=92, main_~x~0=102] [?] assume !false; VAL [main_~result~0=92, main_~x~0=102] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16-L20] assume ~x > 100; [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L15-L21] ensures true; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27-L31] assume !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)); VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16-L20] assume ~x > 100; [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L15-L21] ensures true; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27-L31] assume !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)); VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret4 := main(); [L25] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L25] ~x~0 := #t~nondet2; [L25] havoc #t~nondet2; VAL [~x~0=102] [L26] CALL call #t~ret3 := f91(~x~0); VAL [#in~x=102] [L15-L21] ~x := #in~x; VAL [#in~x=102, ~x=102] [L16] COND TRUE ~x > 100 [L17] #res := ~x - 10; VAL [#in~x=102, #res=92, ~x=102] [L26] RET call #t~ret3 := f91(~x~0); VAL [#t~ret3=92, ~x~0=102] [L26] assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647; [L26] ~result~0 := #t~ret3; [L26] havoc #t~ret3; VAL [~result~0=92, ~x~0=102] [L27] COND FALSE !(91 == ~result~0 || (~x~0 > 102 && ~result~0 == ~x~0 - 10)) VAL [~result~0=92, ~x~0=102] [L30] assert false; VAL [~result~0=92, ~x~0=102] [L25] int x = __VERIFIER_nondet_int(); [L26] CALL, EXPR f91(x) VAL [\old(x)=102] [L16] COND TRUE x > 100 [L17] return x -10; VAL [\old(x)=102, \result=92, x=102] [L26] RET, EXPR f91(x) VAL [f91(x)=92, x=102] [L26] int result = f91(x); [L27] COND FALSE !(result == 91 || x > 102 && result == x - 10) VAL [result=92, x=102] [L30] __VERIFIER_error() VAL [result=92, x=102] ----- [2018-11-23 07:12:04,103 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e7a9f28-3a55-47c8-a1b3-3241efa955d4/bin-2019/uautomizer/witness.graphml [2018-11-23 07:12:04,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:12:04,104 INFO L168 Benchmark]: Toolchain (without parser) took 571.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -141.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:12:04,106 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:12:04,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.65 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:04,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 13.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:04,107 INFO L168 Benchmark]: Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:12:04,108 INFO L168 Benchmark]: RCFGBuilder took 175.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:04,108 INFO L168 Benchmark]: TraceAbstraction took 183.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:04,109 INFO L168 Benchmark]: Witness Printer took 31.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:12:04,111 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 152.65 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 13.38 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.37 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 175.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 183.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 31.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] int x = __VERIFIER_nondet_int(); [L26] CALL, EXPR f91(x) VAL [\old(x)=102] [L16] COND TRUE x > 100 [L17] return x -10; VAL [\old(x)=102, \result=92, x=102] [L26] RET, EXPR f91(x) VAL [f91(x)=92, x=102] [L26] int result = f91(x); [L27] COND FALSE !(result == 91 || x > 102 && result == x - 10) VAL [result=92, x=102] [L30] __VERIFIER_error() VAL [result=92, x=102] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...