./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms3f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d41fc8f45d6677615383aa59c803c310c6c67fce ......................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 04:36:38,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:36:38,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:36:38,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:36:38,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:36:38,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:36:38,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:36:38,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:36:38,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:36:38,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:36:38,666 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:36:38,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:36:38,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:36:38,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:36:38,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:36:38,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:36:38,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:36:38,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:36:38,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:36:38,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:36:38,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:36:38,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:36:38,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:36:38,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:36:38,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:36:38,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:36:38,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:36:38,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:36:38,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:36:38,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:36:38,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:36:38,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:36:38,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:36:38,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:36:38,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:36:38,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:36:38,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:36:38,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:36:38,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:36:38,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:36:38,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:36:38,720 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:36:38,743 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:36:38,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:36:38,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:36:38,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:36:38,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:36:38,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:36:38,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:36:38,746 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:36:38,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:36:38,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:36:38,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:36:38,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:36:38,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:36:38,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:36:38,748 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:36:38,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:36:38,749 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:36:38,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:36:38,749 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:36:38,749 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:36:38,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:36:38,750 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:36:38,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:36:38,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:36:38,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:36:38,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:36:38,751 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:36:38,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:36:38,752 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:36:38,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d41fc8f45d6677615383aa59c803c310c6c67fce [2020-11-28 04:36:39,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:36:39,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:36:39,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:36:39,055 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:36:39,056 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:36:39,057 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/../../sv-benchmarks/c/array-fpi/ms3f.c [2020-11-28 04:36:39,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/data/1834fc4d2/b07cf63677594017916ad5b26c5ac4fb/FLAG54b95505c [2020-11-28 04:36:39,673 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:36:39,674 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/sv-benchmarks/c/array-fpi/ms3f.c [2020-11-28 04:36:39,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/data/1834fc4d2/b07cf63677594017916ad5b26c5ac4fb/FLAG54b95505c [2020-11-28 04:36:40,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/data/1834fc4d2/b07cf63677594017916ad5b26c5ac4fb [2020-11-28 04:36:40,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:36:40,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:36:40,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:40,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:36:40,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:36:40,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e8509a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40, skipping insertion in model container [2020-11-28 04:36:40,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:36:40,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:36:40,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:36:40,279 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:36:40,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:36:40,345 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:36:40,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40 WrapperNode [2020-11-28 04:36:40,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:36:40,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:36:40,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:36:40,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:36:40,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:36:40,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:36:40,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:36:40,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:36:40,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,423 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... [2020-11-28 04:36:40,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:36:40,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:36:40,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:36:40,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:36:40,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:36:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/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 [2020-11-28 04:36:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:36:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:36:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:36:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:36:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:36:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:36:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:36:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:36:41,268 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:36:41,268 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-11-28 04:36:41,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:41 BoogieIcfgContainer [2020-11-28 04:36:41,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:36:41,271 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:36:41,271 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:36:41,282 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:36:41,283 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:41" (1/1) ... [2020-11-28 04:36:41,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:36:41,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-11-28 04:36:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-11-28 04:36:41,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:36:41,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:41,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:36:41,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:41,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2020-11-28 04:36:41,574 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2020-11-28 04:36:41,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:36:41,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:36:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:36:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:36:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-11-28 04:36:41,811 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-11-28 04:36:41,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:36:41,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:36:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:36:41,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:36:41,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:36:41,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:36:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:36:41,997 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:36:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:36:42,017 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:36:42,035 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2020-11-28 04:36:42,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:36:42 ImpRootNode [2020-11-28 04:36:42,063 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:36:42,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:36:42,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:36:42,064 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:36:42,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:36:41" (3/4) ... [2020-11-28 04:36:42,067 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:36:42,111 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef3fce21-40d9-45e7-8d55-79e0b0f37dee/bin/ukojak/witness.graphml [2020-11-28 04:36:42,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:36:42,114 INFO L168 Benchmark]: Toolchain (without parser) took 2070.83 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 47.0 MB in the beginning and 62.8 MB in the end (delta: -15.9 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:42,114 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 77.6 MB. Free memory was 49.3 MB in the beginning and 49.2 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:36:42,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.09 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 46.6 MB in the beginning and 74.6 MB in the end (delta: -27.9 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:42,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.16 ms. Allocated memory is still 96.5 MB. Free memory was 74.6 MB in the beginning and 72.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:42,117 INFO L168 Benchmark]: Boogie Preprocessor took 50.96 ms. Allocated memory is still 96.5 MB. Free memory was 72.9 MB in the beginning and 71.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:36:42,117 INFO L168 Benchmark]: RCFGBuilder took 810.38 ms. Allocated memory is still 96.5 MB. Free memory was 71.5 MB in the beginning and 74.3 MB in the end (delta: -2.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:42,118 INFO L168 Benchmark]: CodeCheck took 792.13 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 64.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:42,119 INFO L168 Benchmark]: Witness Printer took 47.72 ms. Allocated memory is still 96.5 MB. Free memory was 64.9 MB in the beginning and 62.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:36:42,123 INFO L339 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, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 34 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1] [L31] COND TRUE i