./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/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 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ............................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/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 1b89be727e1b941b152f4b6e505aae7e5221fdd7 ......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:36:23,811 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:36:23,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:36:23,818 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:36:23,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:36:23,819 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:36:23,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:36:23,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:36:23,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:36:23,821 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:36:23,822 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:36:23,822 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:36:23,822 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:36:23,823 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:36:23,823 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:36:23,824 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:36:23,824 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:36:23,825 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:36:23,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:36:23,827 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:36:23,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:36:23,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:36:23,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:36:23,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:36:23,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:36:23,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:36:23,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:36:23,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:36:23,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:36:23,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:36:23,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:36:23,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:36:23,832 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:36:23,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:36:23,833 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:36:23,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:36:23,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 10:36:23,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:36:23,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:36:23,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:36:23,841 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:36:23,841 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:36:23,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:36:23,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:36:23,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:36:23,843 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:36:23,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 10:36:23,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:36:23,845 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:36:23,845 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_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2018-12-09 10:36:23,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:36:23,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:36:23,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:36:23,872 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:36:23,872 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:36:23,872 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-12-09 10:36:23,906 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/ea680f844/ccf80cebb0a34f008b3c7c53ab7058c5/FLAGdf8020963 [2018-12-09 10:36:24,316 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:36:24,317 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-12-09 10:36:24,323 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/ea680f844/ccf80cebb0a34f008b3c7c53ab7058c5/FLAGdf8020963 [2018-12-09 10:36:24,331 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/ea680f844/ccf80cebb0a34f008b3c7c53ab7058c5 [2018-12-09 10:36:24,333 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:36:24,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:36:24,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:36:24,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:36:24,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:36:24,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4834854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24, skipping insertion in model container [2018-12-09 10:36:24,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:36:24,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:36:24,517 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:36:24,522 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:36:24,574 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:36:24,598 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:36:24,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24 WrapperNode [2018-12-09 10:36:24,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:36:24,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:36:24,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:36:24,599 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:36:24,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,616 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:36:24,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:36:24,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:36:24,616 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:36:24,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... [2018-12-09 10:36:24,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:36:24,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:36:24,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:36:24,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:36:24,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/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 [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-12-09 10:36:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:36:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-12-09 10:36:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:36:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure read [2018-12-09 10:36:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-12-09 10:36:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-12-09 10:36:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:36:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:36:24,770 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:36:24,770 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 10:36:24,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:36:24 BoogieIcfgContainer [2018-12-09 10:36:24,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:36:24,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:36:24,771 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:36:24,773 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:36:24,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:36:24" (1/3) ... [2018-12-09 10:36:24,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0ff24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:36:24, skipping insertion in model container [2018-12-09 10:36:24,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:24" (2/3) ... [2018-12-09 10:36:24,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c0ff24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:36:24, skipping insertion in model container [2018-12-09 10:36:24,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:36:24" (3/3) ... [2018-12-09 10:36:24,775 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-12-09 10:36:24,781 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:36:24,785 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:36:24,795 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:36:24,813 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:36:24,814 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:36:24,814 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:36:24,814 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:36:24,814 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:36:24,814 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:36:24,814 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:36:24,814 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:36:24,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:36:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-12-09 10:36:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 10:36:24,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:36:24,828 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:36:24,829 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:36:24,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:36:24,833 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-12-09 10:36:24,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 10:36:24,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 10:36:24,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:36:24,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:36:24,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 10:36:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:36:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:36:24,926 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:36:24,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:36:24 BoogieIcfgContainer [2018-12-09 10:36:24,946 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:36:24,947 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:36:24,947 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:36:24,947 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:36:24,947 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:36:24" (3/4) ... [2018-12-09 10:36:24,949 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 10:36:24,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:36:24,950 INFO L168 Benchmark]: Toolchain (without parser) took 616.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -107.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:24,951 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:36:24,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:24,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.76 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:24,952 INFO L168 Benchmark]: Boogie Preprocessor took 12.32 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. [2018-12-09 10:36:24,952 INFO L168 Benchmark]: RCFGBuilder took 141.39 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. [2018-12-09 10:36:24,952 INFO L168 Benchmark]: TraceAbstraction took 175.85 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:24,953 INFO L168 Benchmark]: Witness Printer took 2.88 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. [2018-12-09 10:36:24,954 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -158.1 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.76 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.32 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 141.39 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 175.85 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 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, 0.1s 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=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 0.1.23-635dfa2 [2018-12-09 10:36:26,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:36:26,290 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:36:26,296 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:36:26,296 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:36:26,297 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:36:26,297 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:36:26,298 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:36:26,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:36:26,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:36:26,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:36:26,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:36:26,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:36:26,301 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:36:26,301 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:36:26,301 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:36:26,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:36:26,303 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:36:26,304 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:36:26,304 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:36:26,305 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:36:26,305 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:36:26,306 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:36:26,306 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:36:26,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:36:26,307 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:36:26,307 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:36:26,308 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:36:26,308 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:36:26,309 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:36:26,309 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:36:26,309 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:36:26,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:36:26,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:36:26,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:36:26,310 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:36:26,310 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-12-09 10:36:26,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:36:26,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:36:26,318 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:36:26,318 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 10:36:26,318 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 10:36:26,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 10:36:26,319 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:36:26,320 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 10:36:26,320 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 10:36:26,320 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:36:26,321 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:36:26,321 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:36:26,321 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-12-09 10:36:26,321 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:36:26,321 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 10:36:26,321 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 10:36:26,321 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_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/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 -> 1b89be727e1b941b152f4b6e505aae7e5221fdd7 [2018-12-09 10:36:26,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:36:26,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:36:26,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:36:26,348 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:36:26,349 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:36:26,349 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-12-09 10:36:26,385 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/81af5425a/5d21fb7e65754065940a7a531797e293/FLAGfb3abda5c [2018-12-09 10:36:26,820 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:36:26,821 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-12-09 10:36:26,828 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/81af5425a/5d21fb7e65754065940a7a531797e293/FLAGfb3abda5c [2018-12-09 10:36:26,836 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/data/81af5425a/5d21fb7e65754065940a7a531797e293 [2018-12-09 10:36:26,837 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:36:26,838 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:36:26,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:36:26,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:36:26,841 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:36:26,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:36:26" (1/1) ... [2018-12-09 10:36:26,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5554d819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:26, skipping insertion in model container [2018-12-09 10:36:26,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:36:26" (1/1) ... [2018-12-09 10:36:26,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:36:26,867 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:36:27,027 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:36:27,032 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:36:27,056 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:36:27,085 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:36:27,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27 WrapperNode [2018-12-09 10:36:27,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:36:27,086 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:36:27,086 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:36:27,086 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:36:27,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:36:27,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:36:27,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:36:27,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:36:27,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,148 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... [2018-12-09 10:36:27,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:36:27,156 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:36:27,156 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:36:27,156 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:36:27,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/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 [2018-12-09 10:36:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 10:36:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-12-09 10:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-12-09 10:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 10:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 10:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-12-09 10:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-12-09 10:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 10:36:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 10:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure read [2018-12-09 10:36:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-12-09 10:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-12-09 10:36:27,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:36:27,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:36:27,297 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:36:27,298 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-09 10:36:27,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:36:27 BoogieIcfgContainer [2018-12-09 10:36:27,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:36:27,298 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 10:36:27,299 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 10:36:27,300 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 10:36:27,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:36:26" (1/3) ... [2018-12-09 10:36:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1950a50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:36:27, skipping insertion in model container [2018-12-09 10:36:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:36:27" (2/3) ... [2018-12-09 10:36:27,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1950a50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:36:27, skipping insertion in model container [2018-12-09 10:36:27,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:36:27" (3/3) ... [2018-12-09 10:36:27,303 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-12-09 10:36:27,308 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 10:36:27,312 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 10:36:27,321 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 10:36:27,337 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 10:36:27,337 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 10:36:27,338 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 10:36:27,338 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 10:36:27,338 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 10:36:27,338 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 10:36:27,338 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 10:36:27,338 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 10:36:27,338 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 10:36:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-12-09 10:36:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 10:36:27,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 10:36:27,352 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 10:36:27,354 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 10:36:27,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:36:27,357 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-12-09 10:36:27,360 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 10:36:27,360 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4641ad6e-2c35-475a-967b-c8fb97e5bdd7/bin-2019/uautomizer/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 [2018-12-09 10:36:27,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 10:36:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:36:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 10:36:27,490 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 10:36:27,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:36:27 BoogieIcfgContainer [2018-12-09 10:36:27,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 10:36:27,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:36:27,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:36:27,512 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:36:27,512 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:36:27" (3/4) ... [2018-12-09 10:36:27,515 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 10:36:27,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:36:27,515 INFO L168 Benchmark]: Toolchain (without parser) took 677.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.8 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:27,516 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:36:27,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.50 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 907.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:27,517 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 907.1 MB in the beginning and 1.1 GB in the end (delta: -219.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:27,517 INFO L168 Benchmark]: Boogie Preprocessor took 14.66 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. [2018-12-09 10:36:27,517 INFO L168 Benchmark]: RCFGBuilder took 141.67 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:27,518 INFO L168 Benchmark]: TraceAbstraction took 213.13 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. [2018-12-09 10:36:27,518 INFO L168 Benchmark]: Witness Printer took 3.18 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. [2018-12-09 10:36:27,520 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 246.50 ms. Allocated memory is still 1.0 GB. Free memory was 939.3 MB in the beginning and 907.1 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 907.1 MB in the beginning and 1.1 GB in the end (delta: -219.1 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.66 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 141.67 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 213.13 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: 34.8 MB). Peak memory consumption was 34.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.18 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, 0.1s 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=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...