./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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 0.1.23-0cd3be1 [2018-11-28 12:54:42,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:54:42,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:54:42,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:54:42,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:54:42,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:54:42,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:54:42,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:54:42,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:54:42,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:54:42,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:54:42,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:54:42,701 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:54:42,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:54:42,702 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:54:42,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:54:42,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:54:42,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:54:42,705 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:54:42,706 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:54:42,707 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:54:42,708 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:54:42,709 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:54:42,710 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:54:42,710 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:54:42,710 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:54:42,711 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:54:42,712 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:54:42,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:54:42,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:54:42,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:54:42,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:54:42,714 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:54:42,714 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:54:42,715 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:54:42,715 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:54:42,715 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:54:42,726 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:54:42,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:54:42,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:54:42,727 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:54:42,727 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:54:42,727 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:54:42,727 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:54:42,727 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:54:42,728 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:54:42,729 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:54:42,729 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:54:42,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:54:42,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:54:42,730 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:54:42,730 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:54:42,730 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:54:42,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:54:42,730 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_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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 [2018-11-28 12:54:42,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:54:42,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:54:42,767 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:54:42,769 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:54:42,769 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:54:42,770 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 12:54:42,820 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/6b3926a5b/d52e305bdce64a3fb999380ec7e6ca3a/FLAG19005677a [2018-11-28 12:54:43,251 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:54:43,251 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 12:54:43,259 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/6b3926a5b/d52e305bdce64a3fb999380ec7e6ca3a/FLAG19005677a [2018-11-28 12:54:43,269 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/6b3926a5b/d52e305bdce64a3fb999380ec7e6ca3a [2018-11-28 12:54:43,270 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:54:43,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:54:43,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:54:43,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:54:43,275 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:54:43,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283e46db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43, skipping insertion in model container [2018-11-28 12:54:43,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:54:43,313 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:54:43,543 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:54:43,550 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:54:43,634 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:54:43,674 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:54:43,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43 WrapperNode [2018-11-28 12:54:43,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:54:43,675 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:54:43,675 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:54:43,675 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:54:43,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:54:43,696 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:54:43,696 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:54:43,696 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:54:43,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,707 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... [2018-11-28 12:54:43,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:54:43,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:54:43,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:54:43,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:54:43,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-11-28 12:54:43,749 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-11-28 12:54:43,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:54:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-11-28 12:54:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-11-28 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:54:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure read [2018-11-28 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-28 12:54:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-28 12:54:43,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:54:43,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:54:43,885 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:54:43,885 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:54:43,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:43 BoogieIcfgContainer [2018-11-28 12:54:43,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:54:43,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:54:43,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:54:43,889 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:54:43,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:54:43" (1/3) ... [2018-11-28 12:54:43,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c767686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:54:43, skipping insertion in model container [2018-11-28 12:54:43,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:43" (2/3) ... [2018-11-28 12:54:43,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c767686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:54:43, skipping insertion in model container [2018-11-28 12:54:43,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:43" (3/3) ... [2018-11-28 12:54:43,894 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-11-28 12:54:43,901 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:54:43,905 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:54:43,914 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:54:43,938 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:54:43,939 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:54:43,939 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:54:43,939 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:54:43,939 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:54:43,939 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:54:43,939 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:54:43,939 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:54:43,939 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:54:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-11-28 12:54:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 12:54:43,954 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:54:43,954 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 12:54:43,955 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:54:43,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:54:43,964 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-11-28 12:54:43,965 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:54:43,965 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:54:43,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:43,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:54:43,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:54:44,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:44,074 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:54:44,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:54:44 BoogieIcfgContainer [2018-11-28 12:54:44,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:54:44,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:54:44,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:54:44,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:54:44,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:43" (3/4) ... [2018-11-28 12:54:44,106 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:54:44,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:54:44,107 INFO L168 Benchmark]: Toolchain (without parser) took 836.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -93.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:44,108 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:54:44,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:44,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:44,109 INFO L168 Benchmark]: Boogie Preprocessor took 15.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:54:44,110 INFO L168 Benchmark]: RCFGBuilder took 173.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:44,110 INFO L168 Benchmark]: TraceAbstraction took 216.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:44,110 INFO L168 Benchmark]: Witness Printer took 3.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:54:44,113 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 173.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 216.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.06 ms. Allocated memory is still 1.1 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 0.1.23-0cd3be1 [2018-11-28 12:54:45,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:54:45,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:54:45,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:54:45,638 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:54:45,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:54:45,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:54:45,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:54:45,642 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:54:45,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:54:45,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:54:45,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:54:45,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:54:45,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:54:45,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:54:45,646 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:54:45,646 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:54:45,648 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:54:45,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:54:45,651 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:54:45,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:54:45,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:54:45,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:54:45,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:54:45,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:54:45,656 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:54:45,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:54:45,657 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:54:45,658 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:54:45,659 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:54:45,659 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:54:45,659 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:54:45,660 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:54:45,660 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:54:45,660 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:54:45,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:54:45,662 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-28 12:54:45,672 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:54:45,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:54:45,673 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:54:45,673 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:54:45,674 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:54:45,674 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:54:45,674 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:54:45,674 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:54:45,674 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:54:45,674 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:54:45,674 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:54:45,675 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:54:45,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:54:45,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:54:45,676 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:54:45,676 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:54:45,676 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:54:45,676 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:54:45,676 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:54:45,676 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:54:45,679 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:54:45,679 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-28 12:54:45,679 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:54:45,679 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-28 12:54:45,679 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-28 12:54:45,679 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_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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 [2018-11-28 12:54:45,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:54:45,713 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:54:45,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:54:45,717 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:54:45,717 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:54:45,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/../../sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 12:54:45,765 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/be6b65ec0/da47fc63baf64b719b1c569475c932d2/FLAG3913c6d27 [2018-11-28 12:54:46,135 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:54:46,135 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/sv-benchmarks/c/ldv-regression/fo_test_true-termination.c_false-unreach-call.i [2018-11-28 12:54:46,144 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/be6b65ec0/da47fc63baf64b719b1c569475c932d2/FLAG3913c6d27 [2018-11-28 12:54:46,525 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/data/be6b65ec0/da47fc63baf64b719b1c569475c932d2 [2018-11-28 12:54:46,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:54:46,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:54:46,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:54:46,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:54:46,533 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:54:46,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2c523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46, skipping insertion in model container [2018-11-28 12:54:46,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:54:46,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:54:46,791 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:54:46,797 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:54:46,828 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:54:46,861 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:54:46,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46 WrapperNode [2018-11-28 12:54:46,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:54:46,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:54:46,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:54:46,862 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:54:46,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,926 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:54:46,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:54:46,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:54:46,931 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:54:46,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... [2018-11-28 12:54:46,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:54:46,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:54:46,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:54:46,950 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:54:46,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:54:46,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:54:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure l_read [2018-11-28 12:54:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure l_read [2018-11-28 12:54:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:54:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:54:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure l_open [2018-11-28 12:54:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure l_open [2018-11-28 12:54:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:54:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:54:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure read [2018-11-28 12:54:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2018-11-28 12:54:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2018-11-28 12:54:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:54:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:54:47,152 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:54:47,153 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 12:54:47,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:47 BoogieIcfgContainer [2018-11-28 12:54:47,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:54:47,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:54:47,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:54:47,156 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:54:47,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:54:46" (1/3) ... [2018-11-28 12:54:47,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ef2334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:54:47, skipping insertion in model container [2018-11-28 12:54:47,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:54:46" (2/3) ... [2018-11-28 12:54:47,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49ef2334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:54:47, skipping insertion in model container [2018-11-28 12:54:47,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:47" (3/3) ... [2018-11-28 12:54:47,159 INFO L112 eAbstractionObserver]: Analyzing ICFG fo_test_true-termination.c_false-unreach-call.i [2018-11-28 12:54:47,165 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:54:47,169 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:54:47,179 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:54:47,200 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:54:47,200 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:54:47,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:54:47,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:54:47,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:54:47,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:54:47,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:54:47,201 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:54:47,201 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:54:47,214 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2018-11-28 12:54:47,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-28 12:54:47,217 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:54:47,218 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 12:54:47,219 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:54:47,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:54:47,223 INFO L82 PathProgramCache]: Analyzing trace with hash -347422697, now seen corresponding path program 1 times [2018-11-28 12:54:47,226 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-11-28 12:54:47,227 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08a68c5d-245e-43e8-bc8d-a36f35c9e786/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 [2018-11-28 12:54:47,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:54:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:54:47,401 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:54:47,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:54:47 BoogieIcfgContainer [2018-11-28 12:54:47,430 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:54:47,431 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:54:47,431 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:54:47,431 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:54:47,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:54:47" (3/4) ... [2018-11-28 12:54:47,433 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:54:47,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:54:47,434 INFO L168 Benchmark]: Toolchain (without parser) took 905.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:54:47,435 INFO L168 Benchmark]: CDTParser took 0.17 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. [2018-11-28 12:54:47,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.50 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 911.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:47,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 911.2 MB in the beginning and 1.2 GB in the end (delta: -239.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:47,436 INFO L168 Benchmark]: Boogie Preprocessor took 19.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:54:47,436 INFO L168 Benchmark]: RCFGBuilder took 202.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:47,437 INFO L168 Benchmark]: TraceAbstraction took 276.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:54:47,437 INFO L168 Benchmark]: Witness Printer took 2.83 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 12:54:47,440 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.50 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 911.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 911.2 MB in the beginning and 1.2 GB in the end (delta: -239.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 202.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 276.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.83 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, 0.2s 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...