./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.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_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77cd31699320cd40da64f32a92959020d19291bd ..................................................................................................................................................................................................................................................................................................................................... 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_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77cd31699320cd40da64f32a92959020d19291bd ......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:13:39,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:13:39,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:13:39,726 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:13:39,726 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:13:39,727 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:13:39,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:13:39,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:13:39,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:13:39,729 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:13:39,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:13:39,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:13:39,730 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:13:39,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:13:39,731 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:13:39,732 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:13:39,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:13:39,733 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:13:39,734 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:13:39,735 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:13:39,736 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:13:39,736 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:13:39,737 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:13:39,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:13:39,738 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:13:39,738 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:13:39,739 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:13:39,739 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:13:39,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:13:39,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:13:39,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:13:39,740 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:13:39,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:13:39,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:13:39,741 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:13:39,741 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:13:39,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 22:13:39,749 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:13:39,749 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:13:39,750 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:13:39,750 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 22:13:39,750 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 22:13:39,750 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 22:13:39,750 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:13:39,750 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:13:39,751 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 22:13:39,751 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 22:13:39,752 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 22:13:39,752 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:13:39,752 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:13:39,752 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_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak 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 -> Kojak 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 -> 77cd31699320cd40da64f32a92959020d19291bd [2018-12-08 22:13:39,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:13:39,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:13:39,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:13:39,782 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:13:39,783 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:13:39,783 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-12-08 22:13:39,820 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/ef13b7b18/76b551009da642eeb9d201864c6da185/FLAGd2abbfce5 [2018-12-08 22:13:40,260 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:13:40,261 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-12-08 22:13:40,264 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/ef13b7b18/76b551009da642eeb9d201864c6da185/FLAGd2abbfce5 [2018-12-08 22:13:40,272 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/ef13b7b18/76b551009da642eeb9d201864c6da185 [2018-12-08 22:13:40,274 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:13:40,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:13:40,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:13:40,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:13:40,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:13:40,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c57853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40, skipping insertion in model container [2018-12-08 22:13:40,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:13:40,292 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:13:40,382 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:13:40,385 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:13:40,398 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:13:40,409 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:13:40,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40 WrapperNode [2018-12-08 22:13:40,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:13:40,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:13:40,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:13:40,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:13:40,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:13:40,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:13:40,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:13:40,469 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:13:40,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,492 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:13:40,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:13:40,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:13:40,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:13:40,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-08 22:13:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:13:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:13:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:13:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:13:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 22:13:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:13:40,698 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:13:40,698 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-08 22:13:40,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:40 BoogieIcfgContainer [2018-12-08 22:13:40,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:13:40,699 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:13:40,699 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:13:40,707 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:13:40,707 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:40" (1/1) ... [2018-12-08 22:13:40,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:13:40,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:40,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2018-12-08 22:13:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2018-12-08 22:13:40,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 22:13:40,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:40,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:13:40,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-08 22:13:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-08 22:13:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:13:40,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:40,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:40,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-12-08 22:13:40,863 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-12-08 22:13:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 22:13:40,864 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:40,888 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:40,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:40,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-12-08 22:13:40,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-12-08 22:13:40,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:13:40,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:40,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:40,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2018-12-08 22:13:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2018-12-08 22:13:40,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 22:13:40,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-12-08 22:13:41,032 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-12-08 22:13:41,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:13:41,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:41,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:41,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-12-08 22:13:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-12-08 22:13:41,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 22:13:41,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:41,115 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:13:41,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2018-12-08 22:13:41,126 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2018-12-08 22:13:41,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:13:41,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:13:41,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2018-12-08 22:13:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2018-12-08 22:13:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 22:13:41,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:41,168 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:13:41,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:41,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2018-12-08 22:13:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2018-12-08 22:13:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:13:41,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:41,192 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:13:41,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2018-12-08 22:13:41,201 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2018-12-08 22:13:41,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:13:41,201 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:13:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:13:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:13:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:13:41,299 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-12-08 22:13:41,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:13:41 ImpRootNode [2018-12-08 22:13:41,329 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:13:41,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:13:41,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:13:41,330 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:13:41,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:40" (3/4) ... [2018-12-08 22:13:41,333 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 22:13:41,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:13:41,334 INFO L168 Benchmark]: Toolchain (without parser) took 1060.41 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 962.4 MB in the beginning and 947.1 MB in the end (delta: 15.3 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:41,336 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:13:41,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.52 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:41,337 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:41,337 INFO L168 Benchmark]: Boogie Preprocessor took 22.94 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. [2018-12-08 22:13:41,338 INFO L168 Benchmark]: RCFGBuilder took 206.30 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:41,338 INFO L168 Benchmark]: CodeCheck took 630.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.1 MB in the end (delta: 102.7 MB). Peak memory consumption was 102.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:41,339 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 1.1 GB. Free memory was 954.1 MB in the beginning and 947.1 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:41,342 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 26 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10240 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 7670 SolverSat, 5146 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1312 GetRequests, 1282 SyntacticMatches, 12 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 207 NumberOfCodeBlocks, 207 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 4203 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 65/105 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftLeft at line 55. Possible FailurePath: [L17] char string_A[5], string_B[5]; [L18] int i, j, nc_A, nc_B, found=0; [L21] i=0 [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND FALSE !(i<5) [L23] EXPR string_A[5 -1] [L23] COND FALSE !(!(string_A[5 -1]=='\0')) [L25] i=0 [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND FALSE !(i<5) [L27] EXPR string_B[5 -1] [L27] COND FALSE !(!(string_B[5 -1]=='\0')) [L29] nc_A = 0 [L30] EXPR string_A[nc_A] [L30] COND FALSE !(string_A[nc_A]!='\0') [L33] nc_B = 0 [L34] EXPR string_B[nc_B] [L34] COND FALSE !(string_B[nc_B]!='\0') [L37] COND FALSE !(!(nc_B >= nc_A)) [L40] EXPR j=0 [L40] i=j=0 [L41] COND FALSE !((inc_B-1)< main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak 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 -> Kojak 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 -> 77cd31699320cd40da64f32a92959020d19291bd [2018-12-08 22:13:42,658 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:13:42,665 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:13:42,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:13:42,668 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:13:42,668 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:13:42,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-12-08 22:13:42,704 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/436d3b735/379b350034bb4357bf76ff38f3e6c7c7/FLAG4458f51f1 [2018-12-08 22:13:43,085 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:13:43,086 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-12-08 22:13:43,089 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/436d3b735/379b350034bb4357bf76ff38f3e6c7c7/FLAG4458f51f1 [2018-12-08 22:13:43,098 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/data/436d3b735/379b350034bb4357bf76ff38f3e6c7c7 [2018-12-08 22:13:43,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:13:43,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:13:43,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:13:43,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:13:43,103 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:13:43,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,105 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488fada1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43, skipping insertion in model container [2018-12-08 22:13:43,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:13:43,120 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:13:43,214 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:13:43,216 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:13:43,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:13:43,244 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:13:43,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43 WrapperNode [2018-12-08 22:13:43,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:13:43,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:13:43,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:13:43,245 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:13:43,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:13:43,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:13:43,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:13:43,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:13:43,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,321 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:13:43,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:13:43,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:13:43,324 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:13:43,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:13:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-12-08 22:13:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:13:43,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-12-08 22:13:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:13:43,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:13:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-12-08 22:13:43,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:13:43,608 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:13:43,609 INFO L280 CfgBuilder]: Removed 11 assue(true) statements. [2018-12-08 22:13:43,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:43 BoogieIcfgContainer [2018-12-08 22:13:43,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:13:43,609 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 22:13:43,609 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 22:13:43,615 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 22:13:43,615 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:43" (1/1) ... [2018-12-08 22:13:43,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:13:43,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2018-12-08 22:13:43,645 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2018-12-08 22:13:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-08 22:13:43,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,679 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:13:43,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-12-08 22:13:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-12-08 22:13:43,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-08 22:13:43,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,722 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:13:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-12-08 22:13:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-12-08 22:13:43,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-08 22:13:43,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,772 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:43,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2018-12-08 22:13:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2018-12-08 22:13:43,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-08 22:13:43,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,800 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:13:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-12-08 22:13:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-12-08 22:13:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 22:13:43,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,861 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:13:43,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-08 22:13:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-08 22:13:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-08 22:13:43,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,898 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:13:43,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:43,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-12-08 22:13:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-12-08 22:13:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-08 22:13:43,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:43,976 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:43,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 22:13:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2018-12-08 22:13:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2018-12-08 22:13:44,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-08 22:13:44,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:44,015 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:44,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:44,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:13:44,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:44,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-12-08 22:13:44,152 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-12-08 22:13:44,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 22:13:44,154 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:44,154 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:44,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:44,202 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 22:13:44,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:44,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-12-08 22:13:44,361 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-12-08 22:13:44,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:13:44,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:44,363 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:44,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-08 22:13:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:44,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 66 transitions. [2018-12-08 22:13:44,697 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 66 transitions. [2018-12-08 22:13:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:13:44,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:44,698 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:44,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:44,745 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 22:13:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-12-08 22:13:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-12-08 22:13:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 22:13:44,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:44,820 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:44,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 22:13:44,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 68 transitions. [2018-12-08 22:13:44,858 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 68 transitions. [2018-12-08 22:13:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-08 22:13:44,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:44,858 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:44,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 22:13:45,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 76 transitions. [2018-12-08 22:13:45,173 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 76 transitions. [2018-12-08 22:13:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 22:13:45,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:45,174 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:45,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-08 22:13:45,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:45,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 78 transitions. [2018-12-08 22:13:45,322 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 78 transitions. [2018-12-08 22:13:45,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-08 22:13:45,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:45,323 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:45,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 22:13:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2018-12-08 22:13:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2018-12-08 22:13:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-08 22:13:45,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:45,482 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:13:45,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:13:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-08 22:13:45,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:13:45,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2018-12-08 22:13:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2018-12-08 22:13:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-08 22:13:45,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:13:45,534 ERROR L617 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-12-08 22:13:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:13:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:13:46,455 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 17 iterations. [2018-12-08 22:13:46,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:13:46 ImpRootNode [2018-12-08 22:13:46,481 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:13:46,481 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:13:46,481 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:13:46,481 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:13:46,482 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:13:43" (3/4) ... [2018-12-08 22:13:46,483 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 22:13:46,528 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8f9440c3-c0d6-4a68-8767-9895cd9d02c7/bin-2019/ukojak/witness.graphml [2018-12-08 22:13:46,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:13:46,529 INFO L168 Benchmark]: Toolchain (without parser) took 3428.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -174.6 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:46,530 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-08 22:13:46,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.98 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:46,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 1.0 GB. Free memory was 934.0 MB in the beginning and 928.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:46,531 INFO L168 Benchmark]: Boogie Preprocessor took 53.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -203.9 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:46,531 INFO L168 Benchmark]: RCFGBuilder took 285.15 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:46,531 INFO L168 Benchmark]: CodeCheck took 2871.76 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.7 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:13:46,532 INFO L168 Benchmark]: Witness Printer took 46.98 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. [2018-12-08 22:13:46,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 26 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 17 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 754944 SDtfs, 5712 SDslu, 3136 SDs, 0 SdLazy, 347622 SolverSat, 231126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2746 GetRequests, 2679 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1479 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 362 NumberOfCodeBlocks, 362 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 12500 SizeOfPredicates, 36 NumberOfNonLiveVariables, 865 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 153/211 InterpolantCoveringCapability, 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: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L17] char string_A[5], string_B[5]; [L18] int i, j, nc_A, nc_B, found=0; [L21] i=0 [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND FALSE !(i<5) [L23] EXPR string_A[5 -1] [L23] COND FALSE !(!(string_A[5 -1]=='\0')) [L25] i=0 [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND FALSE !(i<5) [L27] EXPR string_B[5 -1] [L27] COND FALSE !(!(string_B[5 -1]=='\0')) [L29] nc_A = 0 [L30] EXPR string_A[nc_A] [L30] COND TRUE string_A[nc_A]!='\0' [L31] nc_A++ [L30] EXPR string_A[nc_A] [L30] COND FALSE !(string_A[nc_A]!='\0') [L33] nc_B = 0 [L34] EXPR string_B[nc_B] [L34] COND TRUE string_B[nc_B]!='\0' [L35] nc_B++ [L34] EXPR string_B[nc_B] [L34] COND FALSE !(string_B[nc_B]!='\0') [L37] COND FALSE !(!(nc_B >= nc_A)) [L40] EXPR j=0 [L40] i=j=0 [L41] COND TRUE (inc_B-1)<