./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum_array-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum_array-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/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 cf04eabdc5b4c50cc28558a524d03f68fbf75e54 .................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-19 22:02:05,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:02:05,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:02:05,754 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:02:05,755 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:02:05,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:02:05,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:02:05,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:02:05,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:02:05,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:02:05,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:02:05,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:02:05,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:02:05,766 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:02:05,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:02:05,768 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:02:05,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:02:05,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:02:05,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:02:05,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:02:05,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:02:05,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:02:05,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:02:05,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:02:05,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:02:05,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:02:05,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:02:05,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:02:05,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:02:05,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:02:05,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:02:05,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:02:05,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:02:05,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:02:05,796 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:02:05,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:02:05,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:02:05,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:02:05,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:02:05,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:02:05,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:02:05,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:02:05,822 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:02:05,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:02:05,823 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:02:05,823 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:02:05,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:02:05,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:02:05,824 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:02:05,824 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:02:05,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:02:05,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:02:05,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:02:05,826 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:02:05,826 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:02:05,826 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:02:05,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:02:05,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:02:05,827 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:02:05,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:02:05,828 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:02:05,828 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:02:05,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:02:05,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:02:05,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:02:05,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:02:05,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:02:05,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:02:05,830 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:02:05,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:02:05,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:02:05,830 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_0c6fff53-9bbe-4421-888f-ea568261ccc3/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 -> cf04eabdc5b4c50cc28558a524d03f68fbf75e54 [2019-11-19 22:02:05,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:02:05,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:02:05,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:02:05,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:02:05,983 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:02:05,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/../../sv-benchmarks/c/loops/sum_array-1.c [2019-11-19 22:02:06,030 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/data/4785aa925/bf2204e0c287424687305d6483b7d045/FLAGe88043029 [2019-11-19 22:02:06,410 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:02:06,411 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/sv-benchmarks/c/loops/sum_array-1.c [2019-11-19 22:02:06,416 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/data/4785aa925/bf2204e0c287424687305d6483b7d045/FLAGe88043029 [2019-11-19 22:02:06,428 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/data/4785aa925/bf2204e0c287424687305d6483b7d045 [2019-11-19 22:02:06,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:02:06,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:02:06,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:02:06,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:02:06,436 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:02:06,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8b8bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06, skipping insertion in model container [2019-11-19 22:02:06,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:02:06,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:02:06,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:02:06,742 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:02:06,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:02:06,789 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:02:06,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06 WrapperNode [2019-11-19 22:02:06,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:02:06,791 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:02:06,791 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:02:06,791 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:02:06,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:02:06,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:02:06,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:02:06,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:02:06,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... [2019-11-19 22:02:06,869 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:02:06,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:02:06,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:02:06,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:02:06,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/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 [2019-11-19 22:02:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 22:02:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:02:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:02:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 22:02:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:02:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 22:02:07,323 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:02:07,323 INFO L285 CfgBuilder]: Removed 10 assume(true) statements. [2019-11-19 22:02:07,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:07 BoogieIcfgContainer [2019-11-19 22:02:07,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:02:07,325 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:02:07,325 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:02:07,335 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:02:07,335 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:07" (1/1) ... [2019-11-19 22:02:07,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:02:07,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2019-11-19 22:02:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2019-11-19 22:02:07,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-19 22:02:07,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:07,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:07,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:07,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2019-11-19 22:02:07,723 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2019-11-19 22:02:07,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-19 22:02:07,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:07,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:02:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2019-11-19 22:02:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2019-11-19 22:02:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 22:02:07,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:02:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-19 22:02:08,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:02:08,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2019-11-19 22:02:08,139 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-11-19 22:02:08,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-19 22:02:08,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:02:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:02:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:02:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:02:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:02:08,487 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-11-19 22:02:08,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:02:08 ImpRootNode [2019-11-19 22:02:08,531 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:02:08,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:02:08,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:02:08,532 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:02:08,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:07" (3/4) ... [2019-11-19 22:02:08,535 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:02:08,605 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0c6fff53-9bbe-4421-888f-ea568261ccc3/bin/ukojak/witness.graphml [2019-11-19 22:02:08,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:02:08,607 INFO L168 Benchmark]: Toolchain (without parser) took 2174.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.1 MB in the beginning and 996.6 MB in the end (delta: -46.6 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:08,607 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-19 22:02:08,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -162.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:08,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.88 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. [2019-11-19 22:02:08,609 INFO L168 Benchmark]: Boogie Preprocessor took 43.59 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. [2019-11-19 22:02:08,610 INFO L168 Benchmark]: RCFGBuilder took 454.94 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: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:08,610 INFO L168 Benchmark]: CodeCheck took 1206.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.6 MB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:02:08,611 INFO L168 Benchmark]: Witness Printer took 73.77 ms. Allocated memory is still 1.2 GB. Free memory is still 996.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:02:08,612 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: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 28 SDslu, 0 SDs, 0 SdLazy, 132 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194 GetRequests, 175 SyntacticMatches, 7 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 815 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/3 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int M = __VERIFIER_nondet_uint(); [L15] int A[M], B[M], C[M]; [L16] unsigned int i; [L18] i=0 [L18] COND TRUE i