./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --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_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/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 6b853b7a72b17d5b4054a16a7ba98c728e55c23b .................................................................................................................................................................................................................................................... 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 [2019-12-02 05:10:26,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 05:10:26,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 05:10:26,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 05:10:26,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 05:10:26,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 05:10:26,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 05:10:26,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 05:10:26,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 05:10:26,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 05:10:26,786 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 05:10:26,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 05:10:26,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 05:10:26,789 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 05:10:26,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 05:10:26,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 05:10:26,791 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 05:10:26,792 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 05:10:26,794 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 05:10:26,795 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 05:10:26,797 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 05:10:26,798 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 05:10:26,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 05:10:26,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 05:10:26,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 05:10:26,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 05:10:26,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 05:10:26,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 05:10:26,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 05:10:26,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 05:10:26,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 05:10:26,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 05:10:26,805 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 05:10:26,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 05:10:26,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 05:10:26,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 05:10:26,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 05:10:26,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 05:10:26,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 05:10:26,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 05:10:26,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 05:10:26,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 05:10:26,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 05:10:26,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 05:10:26,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 05:10:26,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 05:10:26,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 05:10:26,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 05:10:26,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 05:10:26,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 05:10:26,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 05:10:26,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 05:10:26,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 05:10:26,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 05:10:26,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 05:10:26,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 05:10:26,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 05:10:26,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 05:10:26,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 05:10:26,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 05:10:26,825 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 05:10:26,825 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 05:10:26,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 05:10:26,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 05:10:26,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 05:10:26,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 05:10:26,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 05:10:26,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 05:10:26,826 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 05:10:26,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 05:10:26,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 05:10:26,826 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_ae4f5554-06cc-4772-a6ff-10cd7b694c64/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 -> 6b853b7a72b17d5b4054a16a7ba98c728e55c23b [2019-12-02 05:10:26,934 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 05:10:26,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 05:10:26,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 05:10:26,946 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 05:10:26,946 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 05:10:26,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_trans.i [2019-12-02 05:10:26,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/data/570261839/dccd522aaacb4e1c8c9e1be25c6845cb/FLAGe4e776974 [2019-12-02 05:10:27,378 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 05:10:27,378 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/sv-benchmarks/c/loop-invgen/id_trans.i [2019-12-02 05:10:27,382 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/data/570261839/dccd522aaacb4e1c8c9e1be25c6845cb/FLAGe4e776974 [2019-12-02 05:10:27,770 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/data/570261839/dccd522aaacb4e1c8c9e1be25c6845cb [2019-12-02 05:10:27,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 05:10:27,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 05:10:27,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 05:10:27,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 05:10:27,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 05:10:27,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6342ce07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27, skipping insertion in model container [2019-12-02 05:10:27,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 05:10:27,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 05:10:27,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:10:27,918 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 05:10:27,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 05:10:27,968 INFO L208 MainTranslator]: Completed translation [2019-12-02 05:10:27,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27 WrapperNode [2019-12-02 05:10:27,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 05:10:27,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 05:10:27,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 05:10:27,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 05:10:27,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 05:10:27,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 05:10:27,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 05:10:27,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 05:10:27,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:27,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:28,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:28,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:28,004 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... [2019-12-02 05:10:28,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 05:10:28,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 05:10:28,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 05:10:28,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 05:10:28,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:10:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/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 [2019-12-02 05:10:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 05:10:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 05:10:28,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-02 05:10:28,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-02 05:10:28,168 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 05:10:28,168 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-02 05:10:28,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:10:28 BoogieIcfgContainer [2019-12-02 05:10:28,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 05:10:28,169 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 05:10:28,169 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 05:10:28,176 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 05:10:28,177 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:10:28" (1/1) ... [2019-12-02 05:10:28,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 05:10:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:10:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2019-12-02 05:10:28,207 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2019-12-02 05:10:28,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 05:10:28,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:10:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:10:28,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:10:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:10:28,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 28 transitions. [2019-12-02 05:10:28,393 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2019-12-02 05:10:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 05:10:28,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:10:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:10:28,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 05:10:28,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:10:28,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 27 transitions. [2019-12-02 05:10:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2019-12-02 05:10:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 05:10:28,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:10:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 05:10:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 05:10:28,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 05:10:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 26 transitions. [2019-12-02 05:10:28,568 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2019-12-02 05:10:28,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 05:10:28,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 05:10:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:10:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:10:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:10:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-02 05:10:28,653 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-12-02 05:10:28,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:10:28 ImpRootNode [2019-12-02 05:10:28,678 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 05:10:28,678 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 05:10:28,678 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 05:10:28,679 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 05:10:28,679 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:10:28" (3/4) ... [2019-12-02 05:10:28,681 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-02 05:10:28,712 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ae4f5554-06cc-4772-a6ff-10cd7b694c64/bin/ukojak/witness.graphml [2019-12-02 05:10:28,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 05:10:28,714 INFO L168 Benchmark]: Toolchain (without parser) took 938.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 946.2 MB in the beginning and 999.3 MB in the end (delta: -53.0 MB). Peak memory consumption was 29.3 MB. Max. memory is 11.5 GB. [2019-12-02 05:10:28,714 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 05:10:28,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:10:28,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.52 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. [2019-12-02 05:10:28,715 INFO L168 Benchmark]: Boogie Preprocessor took 13.51 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-02 05:10:28,716 INFO L168 Benchmark]: RCFGBuilder took 164.17 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-12-02 05:10:28,716 INFO L168 Benchmark]: CodeCheck took 508.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. [2019-12-02 05:10:28,716 INFO L168 Benchmark]: Witness Printer took 34.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 05:10:28,718 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 2 procedures, 16 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 8 SDslu, 0 SDs, 0 SdLazy, 150 SolverSat, 58 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 270 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 851 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] int idBitLength, material_length, nlen; [L12] int j, k; [L13] nlen = __VERIFIER_nondet_int() [L14] idBitLength = __VERIFIER_nondet_int() [L15] material_length = __VERIFIER_nondet_int() [L16] COND FALSE !(!( nlen == idBitLength / 32 )) [L17] j = 0 [L17] COND TRUE (j < idBitLength / 8) && (j < material_length) [L18] CALL __VERIFIER_assert( 0 <= j) VAL [\old(cond)=1] [L4] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L18] RET __VERIFIER_assert( 0 <= j) [L19] CALL __VERIFIER_assert( j < material_length ) VAL [\old(cond)=1] [L4] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L19] RET __VERIFIER_assert( j < material_length ) [L20] CALL __VERIFIER_assert( 0 <= j/4 ) VAL [\old(cond)=1] [L4] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L20] RET __VERIFIER_assert( 0 <= j/4 ) [L21] CALL __VERIFIER_assert( j/4 < nlen) VAL [\old(cond)=0] [L4] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L5] __VERIFIER_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.3 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -132.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.52 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. * Boogie Preprocessor took 13.51 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 164.17 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * CodeCheck took 508.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.8 MB). Peak memory consumption was 54.8 MB. Max. memory is 11.5 GB. * Witness Printer took 34.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...