./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i -s /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a3019657b4c9b0e8c0aa3e888313d420fe28d28 .................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 05:44:24,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:44:24,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:44:24,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:44:24,097 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:44:24,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:44:24,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:44:24,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:44:24,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:44:24,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:44:24,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:44:24,104 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:44:24,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:44:24,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:44:24,106 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:44:24,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:44:24,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:44:24,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:44:24,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:44:24,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:44:24,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:44:24,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:44:24,113 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:44:24,114 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:44:24,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:44:24,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:44:24,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:44:24,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:44:24,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:44:24,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:44:24,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:44:24,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:44:24,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:44:24,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:44:24,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:44:24,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:44:24,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:44:24,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:44:24,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:44:24,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:44:24,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:44:24,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 05:44:24,135 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:44:24,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:44:24,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:44:24,136 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:44:24,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:44:24,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:44:24,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:44:24,138 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:44:24,138 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:44:24,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:44:24,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:44:24,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:44:24,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:44:24,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:44:24,139 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:44:24,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:44:24,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 5a3019657b4c9b0e8c0aa3e888313d420fe28d28 [2019-12-02 05:44:24,241 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:44:24,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:44:24,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:44:24,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:44:24,252 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:44:24,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/../../sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2019-12-02 05:44:24,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/data/da3f6ab7f/3580436067134fb29fd9573fb65bda8a/FLAG4cf93b263 [2019-12-02 05:44:24,637 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:44:24,638 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/sv-benchmarks/c/array-memsafety/cstrpbrk_unsafe.i [2019-12-02 05:44:24,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/data/da3f6ab7f/3580436067134fb29fd9573fb65bda8a/FLAG4cf93b263 [2019-12-02 05:44:24,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/data/da3f6ab7f/3580436067134fb29fd9573fb65bda8a [2019-12-02 05:44:24,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:44:24,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:44:24,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:44:24,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:44:24,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:44:24,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:24,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778eab49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24, skipping insertion in model container [2019-12-02 05:44:24,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:24,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:44:24,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:44:24,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:44:24,923 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:44:24,951 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:44:24,981 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:44:24,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24 WrapperNode [2019-12-02 05:44:24,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:44:24,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:44:24,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:44:24,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:44:24,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:24,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:44:25,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:44:25,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:44:25,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:44:25,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,022 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,022 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... [2019-12-02 05:44:25,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:44:25,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:44:25,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:44:25,033 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:44:25,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/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 [2019-12-02 05:44:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 05:44:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 05:44:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 05:44:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 05:44:25,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:44:25,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:44:25,401 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:44:25,401 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-02 05:44:25,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:25 BoogieIcfgContainer [2019-12-02 05:44:25,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:44:25,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:44:25,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:44:25,409 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:44:25,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:25" (1/1) ... [2019-12-02 05:44:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:44:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2019-12-02 05:44:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2019-12-02 05:44:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 05:44:25,443 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:25,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2019-12-02 05:44:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2019-12-02 05:44:25,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 05:44:25,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:25,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:25,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:25,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2019-12-02 05:44:25,752 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2019-12-02 05:44:25,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 05:44:25,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:25,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:25,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:25,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2019-12-02 05:44:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2019-12-02 05:44:25,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 05:44:25,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:26,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2019-12-02 05:44:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2019-12-02 05:44:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:44:26,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 58 states and 72 transitions. [2019-12-02 05:44:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2019-12-02 05:44:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:44:26,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:26,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2019-12-02 05:44:26,836 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2019-12-02 05:44:26,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:44:26,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:26,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:26,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 73 transitions. [2019-12-02 05:44:26,866 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2019-12-02 05:44:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:44:26,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:26,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2019-12-02 05:44:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2019-12-02 05:44:26,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:44:26,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:26,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:26,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-12-02 05:44:26,939 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-12-02 05:44:26,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 05:44:26,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2019-12-02 05:44:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2019-12-02 05:44:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 05:44:27,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:27,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2019-12-02 05:44:27,400 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2019-12-02 05:44:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 05:44:27,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:27,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:28,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:28,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2019-12-02 05:44:28,023 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-12-02 05:44:28,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 05:44:28,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:28,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:28,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 58 states and 76 transitions. [2019-12-02 05:44:28,471 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2019-12-02 05:44:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 05:44:28,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:28,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2019-12-02 05:44:28,530 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2019-12-02 05:44:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 05:44:28,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:28,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 60 states and 79 transitions. [2019-12-02 05:44:28,739 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2019-12-02 05:44:28,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:44:28,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:28,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:28,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 78 transitions. [2019-12-02 05:44:28,759 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2019-12-02 05:44:28,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:44:28,760 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 58 states and 77 transitions. [2019-12-02 05:44:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2019-12-02 05:44:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:44:29,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:29,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 05:44:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:29,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 59 states and 81 transitions. [2019-12-02 05:44:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2019-12-02 05:44:29,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 05:44:29,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 05:44:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2019-12-02 05:44:30,232 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-12-02 05:44:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:44:30,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:30,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:31,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 64 states and 91 transitions. [2019-12-02 05:44:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 91 transitions. [2019-12-02 05:44:31,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:44:31,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:31,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:33,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 68 states and 100 transitions. [2019-12-02 05:44:33,029 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 100 transitions. [2019-12-02 05:44:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 05:44:33,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:44:33,137 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:44:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:44:33,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2019-12-02 05:44:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2019-12-02 05:44:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 05:44:33,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:44:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:44:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:44:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:44:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:44:33,353 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 23 iterations. [2019-12-02 05:44:33,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:44:33 ImpRootNode [2019-12-02 05:44:33,376 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:44:33,376 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:44:33,376 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:44:33,376 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:44:33,377 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:25" (3/4) ... [2019-12-02 05:44:33,378 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 05:44:33,416 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7763bca5-6213-4663-8c6d-be2dc2cc2384/bin/ukojak/witness.graphml [2019-12-02 05:44:33,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:44:33,418 INFO L168 Benchmark]: Toolchain (without parser) took 8754.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.9 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:44:33,418 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:44:33,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-02 05:44:33,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:44:33,419 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:44:33,420 INFO L168 Benchmark]: RCFGBuilder took 369.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-12-02 05:44:33,420 INFO L168 Benchmark]: CodeCheck took 7973.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -99.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:44:33,420 INFO L168 Benchmark]: Witness Printer took 39.95 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-12-02 05:44:33,423 INFO L335 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, 54 locations, 27 error locations. Result: UNSAFE, OverallTime: 7.9s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 8651416 SDtfs, 12362936 SDslu, 5390848 SDs, 0 SdLazy, 57902160 SolverSat, 19920232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1246 GetRequests, 1055 SyntacticMatches, 33 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10777 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 4662 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 18 PerfectInterpolantSequences, 13/18 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 548]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L515] int length = __VERIFIER_nondet_int(); [L516] COND TRUE length < 1 [L517] length = 1 [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; [L521] COND FALSE !(i < length - 1) [L527] nondetString[length-1] = '\0' [L528] return nondetString; [L546] char* s1 = build_nondet_String(); [L515] int length = __VERIFIER_nondet_int(); [L516] COND FALSE !(length < 1) [L519] char* nondetString = (char*) malloc(length * sizeof(char)); [L521] int i = 0; [L521] COND FALSE !(i < length - 1) [L527] nondetString[length-1] = '\0' [L528] return nondetString; [L547] char* s2 = build_nondet_String(); [L532] const char *sc1; [L533] const char *s; [L534] int c; [L535] sc1 = s1 [L535] EXPR \read(*sc1) [L535] COND FALSE !(*sc1 != '\0') [L543] return 0; * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.9 MB). Free memory was 935.4 MB in the beginning and 1.1 GB in the end (delta: -153.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.95 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.77 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 369.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * CodeCheck took 7973.51 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -99.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 39.95 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: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...