./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/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_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/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_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/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_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/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 0.1.23-5842f4b [2018-11-18 08:55:27,556 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:55:27,557 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:55:27,564 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:55:27,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:55:27,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:55:27,566 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:55:27,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:55:27,569 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:55:27,570 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:55:27,570 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:55:27,571 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:55:27,571 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:55:27,572 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:55:27,572 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:55:27,573 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:55:27,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:55:27,578 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:55:27,580 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:55:27,581 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:55:27,582 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:55:27,583 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:55:27,584 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:55:27,584 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:55:27,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:55:27,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:55:27,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:55:27,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:55:27,588 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:55:27,589 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:55:27,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:55:27,590 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:55:27,590 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:55:27,591 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:55:27,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:55:27,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:55:27,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 08:55:27,602 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:55:27,603 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:55:27,603 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:55:27,603 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 08:55:27,604 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:55:27,604 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:55:27,604 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:55:27,604 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:55:27,604 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:55:27,604 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:55:27,605 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:55:27,606 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:55:27,606 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:55:27,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:55:27,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:55:27,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:55:27,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:55:27,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:55:27,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:55:27,607 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:55:27,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:55:27,608 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:55:27,608 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_5a24b778-a274-4f34-8deb-afb0df447ce7/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 [2018-11-18 08:55:27,630 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:55:27,639 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:55:27,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:55:27,642 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:55:27,642 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:55:27,643 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-18 08:55:27,679 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/445f0a419/b4910ef7c3b34ea3b22a70ebc69b59b0/FLAG7872c5482 [2018-11-18 08:55:28,086 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:55:28,087 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-18 08:55:28,091 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/445f0a419/b4910ef7c3b34ea3b22a70ebc69b59b0/FLAG7872c5482 [2018-11-18 08:55:28,100 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/445f0a419/b4910ef7c3b34ea3b22a70ebc69b59b0 [2018-11-18 08:55:28,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:55:28,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:55:28,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:55:28,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:55:28,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:55:28,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f82e70c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28, skipping insertion in model container [2018-11-18 08:55:28,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:55:28,135 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:55:28,271 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:55:28,273 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:55:28,292 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:55:28,305 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:55:28,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28 WrapperNode [2018-11-18 08:55:28,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:55:28,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:55:28,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:55:28,306 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:55:28,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:55:28,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:55:28,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:55:28,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:55:28,375 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:55:28,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:55:28,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:55:28,390 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:55:28,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/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 [2018-11-18 08:55:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:55:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:55:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:55:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:55:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:55:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:55:28,648 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:55:28,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:28 BoogieIcfgContainer [2018-11-18 08:55:28,648 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:55:28,649 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:55:28,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:55:28,658 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:55:28,658 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:28" (1/1) ... [2018-11-18 08:55:28,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:28,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-18 08:55:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-18 08:55:28,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 08:55:28,690 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:28,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2018-11-18 08:55:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-11-18 08:55:28,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:55:28,771 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:28,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:28,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-18 08:55:28,857 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-18 08:55:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 08:55:28,857 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:28,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:28,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:28,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2018-11-18 08:55:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2018-11-18 08:55:28,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 08:55:28,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:28,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-11-18 08:55:29,021 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-11-18 08:55:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:55:29,022 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,069 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:29,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2018-11-18 08:55:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2018-11-18 08:55:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 08:55:29,100 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:29,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2018-11-18 08:55:29,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2018-11-18 08:55:29,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:55:29,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,232 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:29,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2018-11-18 08:55:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2018-11-18 08:55:29,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:55:29,272 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 08:55:29,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2018-11-18 08:55:29,321 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-11-18 08:55:29,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:55:29,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 08:55:29,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 40 states and 50 transitions. [2018-11-18 08:55:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2018-11-18 08:55:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 08:55:29,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 08:55:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2018-11-18 08:55:29,422 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-11-18 08:55:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 08:55:29,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:29,446 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 08:55:29,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:29,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2018-11-18 08:55:29,487 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-18 08:55:29,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 08:55:29,487 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:55:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:55:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:55:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:55:29,629 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 12 iterations. [2018-11-18 08:55:29,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:55:29 ImpRootNode [2018-11-18 08:55:29,661 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:55:29,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:55:29,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:55:29,661 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:55:29,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:28" (3/4) ... [2018-11-18 08:55:29,665 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 08:55:29,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:55:29,666 INFO L168 Benchmark]: Toolchain (without parser) took 1563.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 958.1 MB in the beginning and 990.0 MB in the end (delta: -31.8 MB). Peak memory consumption was 116.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:29,668 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:29,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.62 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 944.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:29,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.89 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:29,669 INFO L168 Benchmark]: Boogie Preprocessor took 56.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:29,669 INFO L168 Benchmark]: RCFGBuilder took 257.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:29,670 INFO L168 Benchmark]: CodeCheck took 1012.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 990.0 MB in the end (delta: 127.8 MB). Peak memory consumption was 127.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:29,670 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 1.2 GB. Free memory is still 990.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:29,673 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, 31 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32768 SDtfs, 4092 SDslu, 5112 SDs, 0 SdLazy, 14084 SolverSat, 6444 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2003 GetRequests, 1961 SyntacticMatches, 24 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 11966 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 3 PerfectInterpolantSequences, 130/210 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] FCALL 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] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND FALSE !(i<5) [L23] EXPR, FCALL string_A[5 -1] [L23] COND FALSE !(!(string_A[5 -1]=='\0')) [L25] i=0 [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND FALSE !(i<5) [L27] EXPR, FCALL string_B[5 -1] [L27] COND FALSE !(!(string_B[5 -1]=='\0')) [L29] nc_A = 0 [L30] EXPR, FCALL string_A[nc_A] [L30] COND FALSE !(string_A[nc_A]!='\0') [L33] nc_B = 0 [L34] EXPR, FCALL 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_5a24b778-a274-4f34-8deb-afb0df447ce7/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 [2018-11-18 08:55:31,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:55:31,262 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:55:31,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:55:31,266 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:55:31,266 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:55:31,267 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/../../sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-18 08:55:31,311 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/c40843810/e960ba19c50d4ecf8fe7c086399f9652/FLAGb685f6754 [2018-11-18 08:55:31,611 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:55:31,611 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/sv-benchmarks/c/loops/string_false-unreach-call_true-termination.i [2018-11-18 08:55:31,614 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/c40843810/e960ba19c50d4ecf8fe7c086399f9652/FLAGb685f6754 [2018-11-18 08:55:31,622 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/data/c40843810/e960ba19c50d4ecf8fe7c086399f9652 [2018-11-18 08:55:31,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:55:31,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:55:31,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:55:31,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:55:31,627 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:55:31,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3525bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31, skipping insertion in model container [2018-11-18 08:55:31,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:55:31,649 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:55:31,766 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:55:31,768 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:55:31,786 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:55:31,800 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:55:31,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31 WrapperNode [2018-11-18 08:55:31,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:55:31,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:55:31,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:55:31,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:55:31,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:55:31,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:55:31,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:55:31,829 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:55:31,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... [2018-11-18 08:55:31,850 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:55:31,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:55:31,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:55:31,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:55:31,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:55:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/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 [2018-11-18 08:55:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:55:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2018-11-18 08:55:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:55:31,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:55:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2018-11-18 08:55:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:55:32,208 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:55:32,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:32 BoogieIcfgContainer [2018-11-18 08:55:32,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:55:32,209 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:55:32,209 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:55:32,218 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:55:32,218 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:32" (1/1) ... [2018-11-18 08:55:32,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:32,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2018-11-18 08:55:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2018-11-18 08:55:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 08:55:32,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,288 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2018-11-18 08:55:32,335 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2018-11-18 08:55:32,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:55:32,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,337 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:55:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-11-18 08:55:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-11-18 08:55:32,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 08:55:32,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,430 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2018-11-18 08:55:32,489 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2018-11-18 08:55:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 08:55:32,490 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,491 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:55:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-11-18 08:55:32,560 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-11-18 08:55:32,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:55:32,561 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,562 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:55:32,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2018-11-18 08:55:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2018-11-18 08:55:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 08:55:32,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,609 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,655 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 08:55:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2018-11-18 08:55:32,736 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2018-11-18 08:55:32,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:55:32,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,737 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 08:55:32,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2018-11-18 08:55:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2018-11-18 08:55:32,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:55:32,785 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,786 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:32,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 08:55:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2018-11-18 08:55:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2018-11-18 08:55:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 08:55:32,996 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:32,996 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:33,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:33,067 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 08:55:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 67 transitions. [2018-11-18 08:55:33,271 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2018-11-18 08:55:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 08:55:33,273 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:33,274 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:33,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:33,341 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 08:55:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2018-11-18 08:55:33,661 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2018-11-18 08:55:33,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-18 08:55:33,662 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:33,663 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:33,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 08:55:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 61 states and 85 transitions. [2018-11-18 08:55:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 85 transitions. [2018-11-18 08:55:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 08:55:33,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:33,796 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:33,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 08:55:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2018-11-18 08:55:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2018-11-18 08:55:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 08:55:33,856 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:33,857 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:33,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 08:55:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 69 states and 97 transitions. [2018-11-18 08:55:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 97 transitions. [2018-11-18 08:55:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 08:55:34,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:34,245 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:34,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 08:55:34,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:34,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2018-11-18 08:55:34,380 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2018-11-18 08:55:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 08:55:34,380 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:34,381 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:34,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 08:55:34,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:34,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 77 states and 110 transitions. [2018-11-18 08:55:34,799 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 110 transitions. [2018-11-18 08:55:34,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 08:55:34,800 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:34,801 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:34,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:34,853 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 08:55:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 79 states and 112 transitions. [2018-11-18 08:55:34,952 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 112 transitions. [2018-11-18 08:55:34,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 08:55:34,952 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:34,953 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:34,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 08:55:35,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:55:35,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2018-11-18 08:55:35,021 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-11-18 08:55:35,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 08:55:35,021 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:55:35,022 ERROR L613 CodeCheckObserver]: First Tracecheck threw exception Indexed Sort BitVec undefined [2018-11-18 08:55:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:55:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:55:35,835 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 18 iterations. [2018-11-18 08:55:35,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:55:35 ImpRootNode [2018-11-18 08:55:35,872 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:55:35,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:55:35,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:55:35,873 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:55:35,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:55:32" (3/4) ... [2018-11-18 08:55:35,874 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 08:55:35,937 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5a24b778-a274-4f34-8deb-afb0df447ce7/bin-2019/ukojak/witness.graphml [2018-11-18 08:55:35,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:55:35,937 INFO L168 Benchmark]: Toolchain (without parser) took 4312.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -64.7 MB). Peak memory consumption was 148.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:35,939 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:35,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.45 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 933.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:35,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.93 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:35,940 INFO L168 Benchmark]: Boogie Preprocessor took 22.20 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:35,940 INFO L168 Benchmark]: RCFGBuilder took 358.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -182.4 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:35,941 INFO L168 Benchmark]: CodeCheck took 3662.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.5 MB). Peak memory consumption was 167.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:35,941 INFO L168 Benchmark]: Witness Printer took 64.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-18 08:55:35,944 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, 31 locations, 1 error locations. UNSAFE Result, 3.6s OverallTime, 18 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2101760 SDtfs, 276756 SDslu, 331928 SDs, 0 SdLazy, 932444 SolverSat, 431432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4239 GetRequests, 4158 SyntacticMatches, 13 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2003 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 597 NumberOfCodeBlocks, 597 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 534 ConstructedInterpolants, 0 QuantifiedInterpolants, 36816 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1073 ConjunctsInSsa, 97 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 310/438 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] FCALL 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] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND TRUE i<5 [L22] FCALL string_A[i]=__VERIFIER_nondet_char() [L21] i++ [L21] COND FALSE !(i<5) [L23] EXPR, FCALL string_A[5 -1] [L23] COND FALSE !(!(string_A[5 -1]=='\0')) [L25] i=0 [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND TRUE i<5 [L26] FCALL string_B[i]=__VERIFIER_nondet_char() [L25] i++ [L25] COND FALSE !(i<5) [L27] EXPR, FCALL string_B[5 -1] [L27] COND FALSE !(!(string_B[5 -1]=='\0')) [L29] nc_A = 0 [L30] EXPR, FCALL string_A[nc_A] [L30] COND TRUE string_A[nc_A]!='\0' [L31] nc_A++ [L30] EXPR, FCALL string_A[nc_A] [L30] COND FALSE !(string_A[nc_A]!='\0') [L33] nc_B = 0 [L34] EXPR, FCALL string_B[nc_B] [L34] COND TRUE string_B[nc_B]!='\0' [L35] nc_B++ [L34] EXPR, FCALL 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)<