./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs3f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1a7cbd6e991197932302f7777b8b708f1820cc0 ........................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 03:01:46,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 03:01:46,041 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 03:01:46,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 03:01:46,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 03:01:46,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 03:01:46,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 03:01:46,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 03:01:46,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 03:01:46,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 03:01:46,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 03:01:46,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 03:01:46,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 03:01:46,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 03:01:46,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 03:01:46,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 03:01:46,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 03:01:46,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 03:01:46,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 03:01:46,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 03:01:46,092 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 03:01:46,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 03:01:46,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 03:01:46,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 03:01:46,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 03:01:46,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 03:01:46,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 03:01:46,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 03:01:46,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 03:01:46,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 03:01:46,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 03:01:46,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 03:01:46,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 03:01:46,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 03:01:46,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 03:01:46,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 03:01:46,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 03:01:46,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 03:01:46,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 03:01:46,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 03:01:46,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 03:01:46,110 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 03:01:46,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 03:01:46,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 03:01:46,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 03:01:46,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 03:01:46,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 03:01:46,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 03:01:46,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 03:01:46,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 03:01:46,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 03:01:46,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 03:01:46,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 03:01:46,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 03:01:46,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 03:01:46,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 03:01:46,147 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 03:01:46,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 03:01:46,148 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 03:01:46,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 03:01:46,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 03:01:46,149 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 03:01:46,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 03:01:46,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 03:01:46,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 03:01:46,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 03:01:46,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 03:01:46,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 03:01:46,150 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 03:01:46,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 03:01:46,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 03:01:46,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1a7cbd6e991197932302f7777b8b708f1820cc0 [2019-11-26 03:01:46,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 03:01:46,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 03:01:46,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 03:01:46,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 03:01:46,340 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 03:01:46,341 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/../../sv-benchmarks/c/array-fpi/brs3f.c [2019-11-26 03:01:46,407 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/data/239cb63b1/fc7a41a2689c4892bccc38831c639370/FLAG7d5351309 [2019-11-26 03:01:46,790 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 03:01:46,790 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/sv-benchmarks/c/array-fpi/brs3f.c [2019-11-26 03:01:46,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/data/239cb63b1/fc7a41a2689c4892bccc38831c639370/FLAG7d5351309 [2019-11-26 03:01:47,231 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/data/239cb63b1/fc7a41a2689c4892bccc38831c639370 [2019-11-26 03:01:47,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 03:01:47,234 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 03:01:47,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:47,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 03:01:47,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 03:01:47,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,241 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acbfa53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47, skipping insertion in model container [2019-11-26 03:01:47,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 03:01:47,263 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 03:01:47,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:47,479 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 03:01:47,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 03:01:47,511 INFO L205 MainTranslator]: Completed translation [2019-11-26 03:01:47,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47 WrapperNode [2019-11-26 03:01:47,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 03:01:47,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:47,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 03:01:47,513 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 03:01:47,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 03:01:47,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 03:01:47,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 03:01:47,546 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 03:01:47,553 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 03:01:47,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 03:01:47,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 03:01:47,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 03:01:47,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 03:01:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 03:01:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 03:01:47,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 03:01:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 03:01:47,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 03:01:47,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 03:01:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 03:01:47,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 03:01:47,935 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 03:01:47,936 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 03:01:47,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:47 BoogieIcfgContainer [2019-11-26 03:01:47,937 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 03:01:47,937 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 03:01:47,937 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 03:01:47,946 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 03:01:47,947 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:47" (1/1) ... [2019-11-26 03:01:47,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 03:01:47,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:47,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-11-26 03:01:48,000 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-11-26 03:01:48,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 03:01:48,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:48,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2019-11-26 03:01:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2019-11-26 03:01:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 03:01:48,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:48,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 03:01:48,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:48,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-11-26 03:01:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-11-26 03:01:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 03:01:48,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 03:01:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2019-11-26 03:01:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2019-11-26 03:01:48,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 03:01:48,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 03:01:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 03:01:49,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 03:01:49,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2019-11-26 03:01:49,403 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2019-11-26 03:01:49,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 03:01:49,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 03:01:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:01:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:01:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:01:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 03:01:49,659 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2019-11-26 03:01:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 03:01:49 ImpRootNode [2019-11-26 03:01:49,709 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 03:01:49,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 03:01:49,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 03:01:49,710 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 03:01:49,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 03:01:47" (3/4) ... [2019-11-26 03:01:49,712 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 03:01:49,796 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a77161c3-d33c-4c40-acf6-6fc511f63416/bin/ukojak/witness.graphml [2019-11-26 03:01:49,796 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 03:01:49,800 INFO L168 Benchmark]: Toolchain (without parser) took 2563.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 948.7 MB in the beginning and 953.5 MB in the end (delta: -4.8 MB). Peak memory consumption was 123.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:49,807 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:49,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:49,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 03:01:49,811 INFO L168 Benchmark]: Boogie Preprocessor took 21.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:49,812 INFO L168 Benchmark]: RCFGBuilder took 369.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:49,812 INFO L168 Benchmark]: CodeCheck took 1771.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 958.9 MB in the end (delta: 136.6 MB). Peak memory consumption was 136.6 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:49,813 INFO L168 Benchmark]: Witness Printer took 87.04 ms. Allocated memory is still 1.2 GB. Free memory was 958.9 MB in the beginning and 953.5 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 03:01:49,818 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 28 SDslu, 0 SDs, 0 SdLazy, 248 SolverSat, 104 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 227 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 4/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long sum[1]; [L24] int *a = malloc(sizeof(int)*N); [L26] i=0 VAL [N=2] [L26] COND TRUE i