./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.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_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/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 c03f1be00bd8736536b5f8ac6668656aaf911259 ............................................................................................................................................................................................................................................................................................................. 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 04:44:41,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:41,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:41,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:41,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:41,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:41,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:41,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:41,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:41,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:41,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:41,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:41,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:41,649 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:41,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:41,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:41,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:41,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:41,659 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:41,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:41,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:41,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:41,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:41,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:41,682 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:41,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:41,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:41,698 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:41,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:41,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:41,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:41,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:41,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:41,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:41,709 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:41,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:41,710 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:41,711 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:41,711 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:41,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:41,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:41,717 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:44:41,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:41,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:41,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:44:41,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:44:41,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:41,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:41,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:41,789 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:41,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:41,790 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:41,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:41,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:44:41,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:41,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:44:41,792 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:41,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:44:41,792 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:41,793 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:44:41,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:41,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:41,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:41,794 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:41,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:41,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:41,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:41,806 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:44:41,806 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:41,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:41,807 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:44:41,807 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_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c03f1be00bd8736536b5f8ac6668656aaf911259 [2020-11-28 04:44:42,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:42,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:42,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:42,139 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:42,140 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:42,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/../../sv-benchmarks/c/array-fpi/sina5f.c [2020-11-28 04:44:42,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/data/a27e60a77/c116bffbe35f46e08e0e19e7d6342e9c/FLAGac431f1fc [2020-11-28 04:44:42,747 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:42,748 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/sv-benchmarks/c/array-fpi/sina5f.c [2020-11-28 04:44:42,758 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/data/a27e60a77/c116bffbe35f46e08e0e19e7d6342e9c/FLAGac431f1fc [2020-11-28 04:44:43,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/data/a27e60a77/c116bffbe35f46e08e0e19e7d6342e9c [2020-11-28 04:44:43,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:43,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:43,101 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:43,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:43,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:43,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b11bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43, skipping insertion in model container [2020-11-28 04:44:43,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,158 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:43,187 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:43,368 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:43,377 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:43,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:43,419 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:43,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43 WrapperNode [2020-11-28 04:44:43,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:43,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:43,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:43,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:43,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:43,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:43,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:43,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:43,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/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 04:44:43,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:43,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:44:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:44:43,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:43,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:44:43,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:44,247 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:44,247 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-11-28 04:44:44,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44 BoogieIcfgContainer [2020-11-28 04:44:44,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:44,250 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:44,250 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:44,263 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:44,263 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (1/1) ... [2020-11-28 04:44:44,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2020-11-28 04:44:44,313 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2020-11-28 04:44:44,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:44:44,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,607 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 04:44:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2020-11-28 04:44:44,667 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2020-11-28 04:44:44,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:44:44,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,772 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 04:44:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2020-11-28 04:44:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2020-11-28 04:44:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:44:44,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:44:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2020-11-28 04:44:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2020-11-28 04:44:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:44:45,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-28 04:44:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2020-11-28 04:44:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2020-11-28 04:44:45,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:44:45,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:44:45,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2020-11-28 04:44:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2020-11-28 04:44:45,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 04:44:45,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:44:45,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:44:45,476 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2020-11-28 04:44:45,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:44:45 ImpRootNode [2020-11-28 04:44:45,514 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:44:45,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:44:45,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:44:45,515 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:44:45,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:44" (3/4) ... [2020-11-28 04:44:45,517 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:44:45,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c2194d51-f7bb-4058-8cb0-aa8cd052b9e8/bin/ukojak/witness.graphml [2020-11-28 04:44:45,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:44:45,571 INFO L168 Benchmark]: Toolchain (without parser) took 2470.78 ms. Allocated memory was 75.5 MB in the beginning and 107.0 MB in the end (delta: 31.5 MB). Free memory was 31.3 MB in the beginning and 73.4 MB in the end (delta: -42.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,571 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 75.5 MB. Free memory is still 47.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,572 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.63 ms. Allocated memory was 75.5 MB in the beginning and 107.0 MB in the end (delta: 31.5 MB). Free memory was 31.1 MB in the beginning and 76.6 MB in the end (delta: -45.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,573 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.53 ms. Allocated memory is still 107.0 MB. Free memory was 76.6 MB in the beginning and 74.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,573 INFO L168 Benchmark]: Boogie Preprocessor took 50.56 ms. Allocated memory is still 107.0 MB. Free memory was 74.8 MB in the beginning and 73.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,574 INFO L168 Benchmark]: RCFGBuilder took 732.07 ms. Allocated memory is still 107.0 MB. Free memory was 73.6 MB in the beginning and 44.6 MB in the end (delta: 29.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,574 INFO L168 Benchmark]: CodeCheck took 1264.06 ms. Allocated memory is still 107.0 MB. Free memory was 44.6 MB in the beginning and 76.2 MB in the end (delta: -31.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:44:45,575 INFO L168 Benchmark]: Witness Printer took 54.47 ms. Allocated memory is still 107.0 MB. Free memory was 76.2 MB in the beginning and 73.4 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:44:45,578 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, 14 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 104 SDslu, 0 SDs, 0 SdLazy, 454 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 510 GetRequests, 488 SyntacticMatches, 16 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1425 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 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] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [N=1] [L33] COND TRUE i