./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp3f.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_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp3f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/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 7e99da8898d29fd1a1f0516fcdc70c4161903def .......................................................................................................................................................................................................................................................................................... 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 04:38:40,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:40,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:40,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:40,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:40,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:40,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:40,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:40,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:40,825 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:40,827 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:40,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:40,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:40,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:40,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:40,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:40,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:40,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:40,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:40,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:40,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:40,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:40,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:40,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:40,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:40,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:40,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:40,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:40,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:40,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:40,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:40,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:40,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:40,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:40,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:40,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:40,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:40,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:40,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:40,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:40,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:40,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:38:40,921 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:40,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:40,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:40,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:40,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:40,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:40,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:40,925 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:38:40,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:40,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:38:40,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:40,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:40,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:40,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:40,927 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:38:40,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:40,927 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:40,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:40,928 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:40,928 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:40,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:40,928 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:40,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:40,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:40,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:40,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:40,930 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:40,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:40,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:40,932 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_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e99da8898d29fd1a1f0516fcdc70c4161903def [2020-11-28 04:38:41,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:41,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:41,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:41,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:41,274 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:41,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/../../sv-benchmarks/c/array-fpi/indp3f.c [2020-11-28 04:38:41,336 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/data/6344631eb/003ca56db2464b869ddd98c0e9fdc3d9/FLAGa3d7d0fe5 [2020-11-28 04:38:41,798 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:41,798 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/sv-benchmarks/c/array-fpi/indp3f.c [2020-11-28 04:38:41,811 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/data/6344631eb/003ca56db2464b869ddd98c0e9fdc3d9/FLAGa3d7d0fe5 [2020-11-28 04:38:42,173 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/data/6344631eb/003ca56db2464b869ddd98c0e9fdc3d9 [2020-11-28 04:38:42,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:42,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:42,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:42,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:42,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:42,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664c7641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42, skipping insertion in model container [2020-11-28 04:38:42,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:42,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:42,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:42,505 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:42,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:42,554 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:42,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42 WrapperNode [2020-11-28 04:38:42,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:42,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:42,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:42,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:42,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:42,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:42,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:42,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:42,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,638 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... [2020-11-28 04:38:42,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:42,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:42,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:42,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:42,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/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 04:38:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:38:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:38:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:38:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:38:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:38:43,242 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:43,243 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-11-28 04:38:43,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:43 BoogieIcfgContainer [2020-11-28 04:38:43,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:43,246 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:43,246 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:43,256 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:43,256 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:43" (1/1) ... [2020-11-28 04:38:43,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:43,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2020-11-28 04:38:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2020-11-28 04:38:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:38:43,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,472 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 04:38:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2020-11-28 04:38:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-11-28 04:38:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:38:43,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:38:43,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:38:43,636 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 04:38:43,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2020-11-28 04:38:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2020-11-28 04:38:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:38:43,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:38:43,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:38:43,812 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 04:38:43,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2020-11-28 04:38:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2020-11-28 04:38:43,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:38:43,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:38:43,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-28 04:38:43,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:38:43,932 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 04:38:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2020-11-28 04:38:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2020-11-28 04:38:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:38:43,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:44,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:44,027 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:44,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:44,081 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2020-11-28 04:38:44,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:44 ImpRootNode [2020-11-28 04:38:44,138 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:44,141 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:44,142 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:44,142 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:44,143 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:43" (3/4) ... [2020-11-28 04:38:44,145 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:44,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e8cf8b5c-7e65-41b5-aa1c-ff9fc641fe92/bin/ukojak/witness.graphml [2020-11-28 04:38:44,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:44,230 INFO L168 Benchmark]: Toolchain (without parser) took 2051.68 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 64.8 MB in the beginning and 85.2 MB in the end (delta: -20.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:44,231 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 100.7 MB. Free memory was 81.5 MB in the beginning and 81.5 MB in the end (delta: 56.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:44,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.00 ms. Allocated memory is still 100.7 MB. Free memory was 64.6 MB in the beginning and 77.1 MB in the end (delta: -12.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:44,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.40 ms. Allocated memory is still 100.7 MB. Free memory was 77.1 MB in the beginning and 75.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:44,234 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 ms. Allocated memory is still 100.7 MB. Free memory was 75.6 MB in the beginning and 74.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:44,235 INFO L168 Benchmark]: RCFGBuilder took 603.37 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 49.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:44,236 INFO L168 Benchmark]: CodeCheck took 892.45 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 49.6 MB in the beginning and 88.0 MB in the end (delta: -38.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:44,236 INFO L168 Benchmark]: Witness Printer took 87.09 ms. Allocated memory is still 121.6 MB. Free memory was 88.0 MB in the beginning and 85.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:44,245 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, 13 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 120 SDtfs, 42 SDslu, 0 SDs, 0 SdLazy, 208 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 348 SyntacticMatches, 9 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 842 SizeOfPredicates, 3 NumberOfNonLiveVariables, 249 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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 *a = malloc(sizeof(long long)*N); [L30] i=0 VAL [N=1] [L30] COND TRUE i