./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1b89be727e1b941b152f4b6e505aae7e5221fdd7 .................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ....................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:07:02,384 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:07:02,387 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:07:02,405 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:07:02,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:07:02,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:07:02,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:07:02,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:07:02,414 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:07:02,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:07:02,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:07:02,420 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:07:02,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:07:02,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:07:02,431 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:07:02,432 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:07:02,436 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:07:02,438 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:07:02,442 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:07:02,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:07:02,448 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:07:02,452 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:07:02,454 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:07:02,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:07:02,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:07:02,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:07:02,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:07:02,463 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:07:02,466 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:07:02,467 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:07:02,469 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:07:02,469 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:07:02,469 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:07:02,472 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:07:02,473 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:07:02,473 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:07:02,474 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:07:02,499 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:07:02,500 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:07:02,501 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:07:02,502 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:07:02,503 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:07:02,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:07:02,504 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:07:02,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:07:02,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:07:02,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:07:02,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:07:02,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:07:02,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:07:02,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:07:02,506 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:07:02,506 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:07:02,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:07:02,506 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:07:02,506 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:07:02,509 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:07:02,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:07:02,510 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:07:02,510 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:07:02,510 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:07:02,510 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:07:02,510 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:07:02,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:07:02,511 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:07:02,511 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:07:02,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:07:02,511 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2018-11-28 18:07:02,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:07:02,590 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:07:02,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:07:02,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:07:02,600 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:07:02,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 18:07:02,669 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d2c8aa3/a91d0cb0dd3d4d9ab7a89d91e06aea78/FLAGf54822237 [2018-11-28 18:07:03,239 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:07:03,240 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 18:07:03,258 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d2c8aa3/a91d0cb0dd3d4d9ab7a89d91e06aea78/FLAGf54822237 [2018-11-28 18:07:03,549 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8d2c8aa3/a91d0cb0dd3d4d9ab7a89d91e06aea78 [2018-11-28 18:07:03,553 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:07:03,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:07:03,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:07:03,556 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:07:03,560 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:07:03,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:07:03" (1/1) ... [2018-11-28 18:07:03,564 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71818fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:03, skipping insertion in model container [2018-11-28 18:07:03,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:07:03" (1/1) ... [2018-11-28 18:07:03,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:07:03,623 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:07:04,020 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:07:04,029 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:07:04,081 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:07:04,249 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:07:04,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04 WrapperNode [2018-11-28 18:07:04,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:07:04,251 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:07:04,251 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:07:04,251 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:07:04,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:07:04,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:07:04,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:07:04,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:07:04,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (1/1) ... [2018-11-28 18:07:04,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:07:04,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:07:04,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:07:04,354 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:07:04,357 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (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 [2018-11-28 18:07:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:07:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-11-28 18:07:04,422 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-11-28 18:07:04,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:07:04,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:07:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-11-28 18:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-11-28 18:07:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:07:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure read [2018-11-28 18:07:04,423 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-28 18:07:04,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-28 18:07:04,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:07:04,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:07:04,815 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:07:04,815 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 18:07:04,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:04 BoogieIcfgContainer [2018-11-28 18:07:04,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:07:04,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:07:04,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:07:04,820 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:07:04,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:07:03" (1/3) ... [2018-11-28 18:07:04,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b880f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:07:04, skipping insertion in model container [2018-11-28 18:07:04,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:04" (2/3) ... [2018-11-28 18:07:04,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49b880f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:07:04, skipping insertion in model container [2018-11-28 18:07:04,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:04" (3/3) ... [2018-11-28 18:07:04,824 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-11-28 18:07:04,835 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:07:04,844 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:07:04,862 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:07:04,894 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:07:04,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:07:04,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:07:04,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:07:04,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:07:04,896 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:07:04,897 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:07:04,897 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:07:04,897 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:07:04,918 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-11-28 18:07:04,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 18:07:04,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:04,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:07:04,927 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:04,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:04,933 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-11-28 18:07:04,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:07:04,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:07:04,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:04,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:04,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:07:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:05,137 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:07:05,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:07:05 BoogieIcfgContainer [2018-11-28 18:07:05,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:07:05,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:07:05,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:07:05,178 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:07:05,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:04" (3/4) ... [2018-11-28 18:07:05,183 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 18:07:05,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:07:05,184 INFO L168 Benchmark]: Toolchain (without parser) took 1630.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -134.6 MB). Peak memory consumption was 10.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:05,187 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:05,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 694.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:05,189 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:05,190 INFO L168 Benchmark]: Boogie Preprocessor took 44.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:05,191 INFO L168 Benchmark]: RCFGBuilder took 464.87 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:05,192 INFO L168 Benchmark]: TraceAbstraction took 360.55 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:05,193 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:05,198 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 694.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -179.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.45 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 464.87 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: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 360.55 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1158. Possible FailurePath: [L1152] int globalState = 0; [L1158] CALL, EXPR l_open("unknown",00) VAL [\old(flags)=0, \old(globalState)=0, file={1:0}, globalState=0] [L1170] int fd = open(file,flags); VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={1:0}, file={1:0}, flags=0, globalState=0, open(file,flags)=0] [L1171] COND FALSE !(fd>0) VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={1:0}, file={1:0}, flags=0, globalState=0, open(file,flags)=0] [L1172] return fd; VAL [\old(flags)=0, \old(globalState)=0, \result=0, fd=0, file={1:0}, file={1:0}, flags=0, globalState=0, open(file,flags)=0] [L1158] RET, EXPR l_open("unknown",00) VAL [\old(argc)=108, \old(globalState)=0, argc=108, argv={105:103}, argv={105:103}, globalState=0, l_open("unknown",00)=0] [L1158] int file = l_open("unknown",00); [L1159] void* cbuf = (void*) malloc(sizeof(char)*100); VAL [\old(argc)=108, \old(globalState)=0, argc=108, argv={105:103}, argv={105:103}, cbuf={109:0}, file=0, globalState=0, malloc(sizeof(char)*100)={109:0}] [L1160] CALL l_read(file,cbuf,99) VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={109:0}, globalState=0] [L1165] (globalState == 1) ? (0) : __blast_assert () VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={109:0}, cbuf={109:0}, count=99, fd=0, globalState=0] [L1165] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L960] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.2s 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=29occurred 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, 18 NumberOfCodeBlocks, 18 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-91b1670 [2018-11-28 18:07:07,562 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:07:07,564 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:07:07,576 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:07:07,577 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:07:07,578 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:07:07,579 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:07:07,581 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:07:07,583 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:07:07,584 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:07:07,585 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:07:07,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:07:07,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:07:07,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:07:07,589 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:07:07,590 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:07:07,591 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:07:07,594 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:07:07,596 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:07:07,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:07:07,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:07:07,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:07:07,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:07:07,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:07:07,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:07:07,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:07:07,605 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:07:07,606 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:07:07,606 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:07:07,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:07:07,608 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:07:07,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:07:07,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:07:07,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:07:07,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:07:07,611 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:07:07,611 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 18:07:07,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:07:07,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:07:07,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:07:07,628 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:07:07,629 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:07:07,629 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:07:07,629 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:07:07,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:07:07,630 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:07:07,630 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:07:07,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:07:07,631 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:07:07,631 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:07:07,631 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:07:07,631 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 18:07:07,631 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 18:07:07,631 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:07:07,632 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:07:07,633 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:07:07,633 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:07:07,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:07:07,633 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:07:07,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:07:07,633 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:07:07,634 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:07:07,634 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:07:07,634 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:07:07,634 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:07:07,634 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 18:07:07,635 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:07:07,636 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 18:07:07,636 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 18:07:07,637 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2018-11-28 18:07:07,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:07:07,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:07:07,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:07:07,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:07:07,691 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:07:07,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 18:07:07,751 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90c2a6b8/8338749a51e642ddbb9c5fada6a2cda6/FLAGe21a4368d [2018-11-28 18:07:08,269 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:07:08,272 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 18:07:08,292 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90c2a6b8/8338749a51e642ddbb9c5fada6a2cda6/FLAGe21a4368d [2018-11-28 18:07:08,552 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a90c2a6b8/8338749a51e642ddbb9c5fada6a2cda6 [2018-11-28 18:07:08,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:07:08,559 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:07:08,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:07:08,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:07:08,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:07:08,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b83eb03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:08, skipping insertion in model container [2018-11-28 18:07:08,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:07:08" (1/1) ... [2018-11-28 18:07:08,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:07:08,653 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:07:09,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:07:09,093 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:07:09,232 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:07:09,293 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:07:09,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09 WrapperNode [2018-11-28 18:07:09,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:07:09,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:07:09,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:07:09,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:07:09,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,337 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:07:09,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:07:09,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:07:09,352 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:07:09,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,384 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (1/1) ... [2018-11-28 18:07:09,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:07:09,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:07:09,388 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:07:09,388 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:07:09,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (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 [2018-11-28 18:07:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:07:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-11-28 18:07:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-11-28 18:07:09,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:07:09,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:07:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-11-28 18:07:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-11-28 18:07:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:07:09,450 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:07:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure read [2018-11-28 18:07:09,450 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-28 18:07:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-28 18:07:09,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:07:09,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:07:09,858 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:07:09,858 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 18:07:09,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:09 BoogieIcfgContainer [2018-11-28 18:07:09,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:07:09,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:07:09,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:07:09,863 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:07:09,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:07:08" (1/3) ... [2018-11-28 18:07:09,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2ee58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:07:09, skipping insertion in model container [2018-11-28 18:07:09,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:07:09" (2/3) ... [2018-11-28 18:07:09,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c2ee58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:07:09, skipping insertion in model container [2018-11-28 18:07:09,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:09" (3/3) ... [2018-11-28 18:07:09,867 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-11-28 18:07:09,877 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:07:09,884 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:07:09,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:07:09,934 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:07:09,935 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:07:09,935 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:07:09,936 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:07:09,936 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:07:09,937 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:07:09,937 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:07:09,937 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:07:09,937 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:07:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-11-28 18:07:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 18:07:09,962 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:07:09,963 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:07:09,965 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:07:09,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:07:09,970 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-11-28 18:07:09,975 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 18:07:09,975 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-11-28 18:07:09,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:07:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:07:10,196 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:07:10,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:07:10 BoogieIcfgContainer [2018-11-28 18:07:10,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:07:10,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:07:10,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:07:10,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:07:10,259 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:07:09" (3/4) ... [2018-11-28 18:07:10,263 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 18:07:10,263 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:07:10,264 INFO L168 Benchmark]: Toolchain (without parser) took 1705.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -125.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:10,267 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:10,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 730.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:10,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:10,269 INFO L168 Benchmark]: Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:10,270 INFO L168 Benchmark]: RCFGBuilder took 471.44 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:10,271 INFO L168 Benchmark]: TraceAbstraction took 395.79 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:07:10,272 INFO L168 Benchmark]: Witness Printer took 7.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:07:10,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 730.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.79 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 471.44 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 395.79 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 7.12 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 960]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1158. Possible FailurePath: [L1152] int globalState = 0; [L1158] CALL, EXPR l_open("unknown",00) VAL [\old(flags)=0, \old(globalState)=0, file={3:0}, globalState=0] [L1170] int fd = open(file,flags); VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={3:0}, file={3:0}, flags=0, globalState=0, open(file,flags)=0] [L1171] COND FALSE !(fd>0) VAL [\old(flags)=0, \old(globalState)=0, fd=0, file={3:0}, file={3:0}, flags=0, globalState=0, open(file,flags)=0] [L1172] return fd; VAL [\old(flags)=0, \old(globalState)=0, \result=0, fd=0, file={3:0}, file={3:0}, flags=0, globalState=0, open(file,flags)=0] [L1158] RET, EXPR l_open("unknown",00) VAL [\old(argc)=0, \old(globalState)=0, argc=0, argv={0:0}, argv={0:0}, globalState=0, l_open("unknown",00)=0] [L1158] int file = l_open("unknown",00); [L1159] void* cbuf = (void*) malloc(sizeof(char)*100); VAL [\old(argc)=0, \old(globalState)=0, argc=0, argv={0:0}, argv={0:0}, cbuf={1:0}, file=0, globalState=0, malloc(sizeof(char)*100)={1:0}] [L1160] CALL l_read(file,cbuf,99) VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={1:0}, globalState=0] [L1165] (globalState == 1) ? (0) : __blast_assert () VAL [\old(count)=99, \old(fd)=0, \old(globalState)=0, cbuf={1:0}, cbuf={1:0}, count=99, fd=0, globalState=0] [L1165] CALL __blast_assert () VAL [\old(globalState)=0, globalState=0] [L960] __VERIFIER_error() VAL [\old(globalState)=0, globalState=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 29 locations, 1 error locations. UNSAFE Result, 0.3s 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=29occurred 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, 18 NumberOfCodeBlocks, 18 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...