./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sqmf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sqmf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/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 5883407fc5ced9fa8583e9ac7aba0d6e8082d075 ....................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-12-02 06:21:38,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:21:38,446 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:21:38,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:21:38,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:21:38,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:21:38,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:21:38,456 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:21:38,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:21:38,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:21:38,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:21:38,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:21:38,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:21:38,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:21:38,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:21:38,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:21:38,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:21:38,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:21:38,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:21:38,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:21:38,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:21:38,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:21:38,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:21:38,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:21:38,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:21:38,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:21:38,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:21:38,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:21:38,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:21:38,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:21:38,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:21:38,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:21:38,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:21:38,474 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:21:38,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:21:38,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:21:38,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:21:38,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:21:38,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:21:38,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:21:38,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:21:38,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 06:21:38,486 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:21:38,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:21:38,487 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 06:21:38,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 06:21:38,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:21:38,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:21:38,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:21:38,488 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:21:38,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:21:38,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 06:21:38,489 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:21:38,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 06:21:38,490 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:21:38,490 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:21:38,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:21:38,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:21:38,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:21:38,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:21:38,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:21:38,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 06:21:38,491 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:21:38,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:21:38,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 06:21:38,491 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_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/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 ! 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 -> 5883407fc5ced9fa8583e9ac7aba0d6e8082d075 [2019-12-02 06:21:38,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:21:38,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:21:38,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:21:38,606 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:21:38,606 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:21:38,607 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/../../sv-benchmarks/c/array-fpi/sqmf.c [2019-12-02 06:21:38,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/data/7e9088213/5a1423ad42484f48932d4c20e12ab85e/FLAG78bd9f826 [2019-12-02 06:21:39,065 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:21:39,066 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/sv-benchmarks/c/array-fpi/sqmf.c [2019-12-02 06:21:39,070 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/data/7e9088213/5a1423ad42484f48932d4c20e12ab85e/FLAG78bd9f826 [2019-12-02 06:21:39,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/data/7e9088213/5a1423ad42484f48932d4c20e12ab85e [2019-12-02 06:21:39,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:21:39,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:21:39,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:21:39,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:21:39,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:21:39,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b32c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39, skipping insertion in model container [2019-12-02 06:21:39,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:21:39,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:21:39,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:21:39,249 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:21:39,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:21:39,272 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:21:39,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39 WrapperNode [2019-12-02 06:21:39,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:21:39,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:21:39,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:21:39,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:21:39,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:21:39,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:21:39,296 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:21:39,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:21:39,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,311 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:21:39,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:21:39,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:21:39,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:21:39,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:21:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/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 06:21:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 06:21:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 06:21:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:21:39,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:21:39,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 06:21:39,519 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:21:39,519 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-02 06:21:39,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:39 BoogieIcfgContainer [2019-12-02 06:21:39,520 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:21:39,520 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:21:39,520 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:21:39,527 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:21:39,528 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:39" (1/1) ... [2019-12-02 06:21:39,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:21:39,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:21:39,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-12-02 06:21:39,557 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-12-02 06:21:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:21:39,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:21:39,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 06:21:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 06:21:39,666 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-12-02 06:21:39,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:21:39 ImpRootNode [2019-12-02 06:21:39,685 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:21:39,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:21:39,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:21:39,686 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:21:39,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:21:39" (3/4) ... [2019-12-02 06:21:39,688 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 06:21:39,717 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1480b7e2-a58a-445f-bc8b-8bcaf91e72f9/bin/ukojak/witness.graphml [2019-12-02 06:21:39,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:21:39,718 INFO L168 Benchmark]: Toolchain (without parser) took 636.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 944.8 MB in the beginning and 1.0 GB in the end (delta: -90.2 MB). Peak memory consumption was 462.8 kB. Max. memory is 11.5 GB. [2019-12-02 06:21:39,719 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:21:39,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -140.8 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-12-02 06:21:39,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.62 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 06:21:39,720 INFO L168 Benchmark]: Boogie Preprocessor took 15.80 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 06:21:39,720 INFO L168 Benchmark]: RCFGBuilder took 207.47 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:21:39,721 INFO L168 Benchmark]: CodeCheck took 165.29 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:21:39,721 INFO L168 Benchmark]: Witness Printer took 31.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:21:39,723 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, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long *a = malloc(sizeof(long long)*N); [L24] long long *b = malloc(sizeof(long long)*N); [L26] b[0] = 0 [L27] a[0] = 0 [L29] i=1 VAL [N=1] [L29] COND FALSE !(i