./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ss2f.c -s /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/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 64cf37aa63047e3fef81006f69e9718542642f9f .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 13:36:46,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 13:36:46,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 13:36:46,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 13:36:46,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 13:36:46,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 13:36:46,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 13:36:46,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 13:36:46,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 13:36:46,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 13:36:46,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 13:36:46,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 13:36:46,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 13:36:46,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 13:36:46,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 13:36:46,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 13:36:46,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 13:36:46,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 13:36:46,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 13:36:46,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 13:36:46,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 13:36:46,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 13:36:46,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 13:36:46,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 13:36:46,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 13:36:46,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 13:36:46,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 13:36:46,818 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 13:36:46,819 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 13:36:46,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 13:36:46,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 13:36:46,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 13:36:46,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 13:36:46,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 13:36:46,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 13:36:46,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 13:36:46,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 13:36:46,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 13:36:46,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 13:36:46,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 13:36:46,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 13:36:46,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 13:36:46,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 13:36:46,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 13:36:46,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 13:36:46,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 13:36:46,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 13:36:46,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 13:36:46,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 13:36:46,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 13:36:46,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 13:36:46,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 13:36:46,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 13:36:46,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 13:36:46,841 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 13:36:46,841 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 13:36:46,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 13:36:46,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 13:36:46,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:36:46,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 13:36:46,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 13:36:46,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 13:36:46,842 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 13:36:46,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 13:36:46,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 13:36:46,843 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_52b61939-a42e-4099-86e6-7b2761bc654b/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 -> 64cf37aa63047e3fef81006f69e9718542642f9f [2019-12-01 13:36:46,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 13:36:46,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 13:36:46,960 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 13:36:46,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 13:36:46,962 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 13:36:46,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/../../sv-benchmarks/c/array-fpi/ss2f.c [2019-12-01 13:36:47,006 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/data/32f9e0289/4f3d5a691e334a1ea56348ca4db53859/FLAG70e9a1703 [2019-12-01 13:36:47,420 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 13:36:47,421 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/sv-benchmarks/c/array-fpi/ss2f.c [2019-12-01 13:36:47,426 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/data/32f9e0289/4f3d5a691e334a1ea56348ca4db53859/FLAG70e9a1703 [2019-12-01 13:36:47,437 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/data/32f9e0289/4f3d5a691e334a1ea56348ca4db53859 [2019-12-01 13:36:47,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 13:36:47,440 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 13:36:47,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 13:36:47,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 13:36:47,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 13:36:47,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165689ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47, skipping insertion in model container [2019-12-01 13:36:47,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 13:36:47,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 13:36:47,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:36:47,633 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 13:36:47,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:36:47,658 INFO L208 MainTranslator]: Completed translation [2019-12-01 13:36:47,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47 WrapperNode [2019-12-01 13:36:47,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 13:36:47,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 13:36:47,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 13:36:47,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 13:36:47,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,684 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 13:36:47,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 13:36:47,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 13:36:47,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 13:36:47,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 13:36:47,703 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 13:36:47,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 13:36:47,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 13:36:47,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:36:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:36:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 13:36:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 13:36:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 13:36:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 13:36:47,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 13:36:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 13:36:47,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 13:36:47,977 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 13:36:47,977 INFO L287 CfgBuilder]: Removed 13 assume(true) statements. [2019-12-01 13:36:47,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:36:47 BoogieIcfgContainer [2019-12-01 13:36:47,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 13:36:47,978 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 13:36:47,978 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 13:36:47,985 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 13:36:47,985 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:36:47" (1/1) ... [2019-12-01 13:36:47,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 13:36:48,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2019-12-01 13:36:48,013 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2019-12-01 13:36:48,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 13:36:48,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,099 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 13:36:48,103 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 13:36:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:36:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2019-12-01 13:36:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2019-12-01 13:36:48,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 13:36:48,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 13:36:48,180 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 13:36:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 13:36:48,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2019-12-01 13:36:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2019-12-01 13:36:48,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 13:36:48,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,261 INFO L264 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 13:36:48,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 13:36:48,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 13:36:48,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2019-12-01 13:36:48,285 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2019-12-01 13:36:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 13:36:48,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,315 INFO L264 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 13:36:48,316 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 13:36:48,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 13:36:48,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 13:36:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 13:36:48,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 13:36:48,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,365 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 13:36:48,366 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 13:36:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 13:36:48,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2019-12-01 13:36:48,386 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2019-12-01 13:36:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 13:36:48,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:36:48,411 INFO L264 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-01 13:36:48,412 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-01 13:36:48,416 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 13:36:48,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:36:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2019-12-01 13:36:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2019-12-01 13:36:48,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 13:36:48,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:36:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:36:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 13:36:48,502 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2019-12-01 13:36:48,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:36:48 ImpRootNode [2019-12-01 13:36:48,528 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 13:36:48,529 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 13:36:48,529 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 13:36:48,529 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 13:36:48,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:36:47" (3/4) ... [2019-12-01 13:36:48,531 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 13:36:48,567 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_52b61939-a42e-4099-86e6-7b2761bc654b/bin/ukojak/witness.graphml [2019-12-01 13:36:48,567 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 13:36:48,569 INFO L168 Benchmark]: Toolchain (without parser) took 1128.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.8 MB in the beginning and 987.2 MB in the end (delta: -39.3 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:36:48,569 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:36:48,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 947.8 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-01 13:36:48,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.41 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:36:48,570 INFO L168 Benchmark]: Boogie Preprocessor took 18.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:36:48,571 INFO L168 Benchmark]: RCFGBuilder took 274.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-01 13:36:48,571 INFO L168 Benchmark]: CodeCheck took 550.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 992.5 MB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2019-12-01 13:36:48,572 INFO L168 Benchmark]: Witness Printer took 38.95 ms. Allocated memory is still 1.1 GB. Free memory was 992.5 MB in the beginning and 987.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:36:48,574 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, 15 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 7, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 608 SDtfs, 154 SDslu, 0 SDs, 0 SdLazy, 872 SolverSat, 406 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 752 GetRequests, 721 SyntacticMatches, 25 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 2225 SizeOfPredicates, 6 NumberOfNonLiveVariables, 426 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 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] long long *a = malloc(sizeof(long long)*N); [L26] sum[0] = 0 [L27] i=0 VAL [N=1] [L27] COND TRUE i