./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/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 a5bec83c84f47b7653d49cdbe6bc7857a2bc0080 ................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-11-10 04:54:56,870 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 04:54:56,871 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 04:54:56,880 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 04:54:56,880 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 04:54:56,881 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 04:54:56,882 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 04:54:56,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 04:54:56,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 04:54:56,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 04:54:56,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 04:54:56,886 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 04:54:56,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 04:54:56,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 04:54:56,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 04:54:56,889 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 04:54:56,890 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 04:54:56,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 04:54:56,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 04:54:56,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 04:54:56,894 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 04:54:56,895 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 04:54:56,897 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 04:54:56,897 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 04:54:56,897 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 04:54:56,898 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 04:54:56,898 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 04:54:56,899 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 04:54:56,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 04:54:56,901 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 04:54:56,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 04:54:56,902 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 04:54:56,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 04:54:56,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 04:54:56,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 04:54:56,903 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 04:54:56,903 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 04:54:56,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 04:54:56,914 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 04:54:56,914 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 04:54:56,914 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 04:54:56,915 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 04:54:56,915 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 04:54:56,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 04:54:56,915 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 04:54:56,916 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 04:54:56,916 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 04:54:56,916 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 04:54:56,916 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 04:54:56,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 04:54:56,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 04:54:56,917 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 04:54:56,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 04:54:56,918 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 04:54:56,918 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 04:54:56,918 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 04:54:56,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 04:54:56,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 04:54:56,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 04:54:56,919 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/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 -> a5bec83c84f47b7653d49cdbe6bc7857a2bc0080 [2018-11-10 04:54:56,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 04:54:56,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 04:54:56,956 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 04:54:56,957 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 04:54:56,957 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 04:54:56,958 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i [2018-11-10 04:54:57,003 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/data/116f523e1/485036a59f3c4fb687e0c00b1f3ebcd1/FLAG3ab27fa68 [2018-11-10 04:54:57,333 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 04:54:57,333 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/sv-benchmarks/c/loops/sum03_false-unreach-call_true-termination.i [2018-11-10 04:54:57,337 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/data/116f523e1/485036a59f3c4fb687e0c00b1f3ebcd1/FLAG3ab27fa68 [2018-11-10 04:54:57,347 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/data/116f523e1/485036a59f3c4fb687e0c00b1f3ebcd1 [2018-11-10 04:54:57,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 04:54:57,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 04:54:57,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 04:54:57,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 04:54:57,352 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 04:54:57,353 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ac897aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57, skipping insertion in model container [2018-11-10 04:54:57,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,362 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 04:54:57,374 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 04:54:57,472 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:54:57,474 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 04:54:57,484 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 04:54:57,492 INFO L193 MainTranslator]: Completed translation [2018-11-10 04:54:57,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57 WrapperNode [2018-11-10 04:54:57,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 04:54:57,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 04:54:57,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 04:54:57,493 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 04:54:57,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 04:54:57,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 04:54:57,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 04:54:57,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 04:54:57,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 04:54:57,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 04:54:57,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 04:54:57,524 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 04:54:57,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:54:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/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 [2018-11-10 04:54:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 04:54:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 04:54:57,707 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 04:54:57,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:54:57 BoogieIcfgContainer [2018-11-10 04:54:57,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 04:54:57,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 04:54:57,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 04:54:57,714 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 04:54:57,714 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:54:57" (1/1) ... [2018-11-10 04:54:57,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 04:54:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 04:54:57,752 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 04:54:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 04:54:57,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-10 04:54:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-10 04:54:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 04:54:57,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:58,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:54:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:54:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-10 04:54:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-10 04:54:58,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 04:54:58,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:54:58,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:54:58,624 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:02,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:02,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2018-11-10 04:55:02,259 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2018-11-10 04:55:02,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 04:55:02,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:02,459 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:03,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:03,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2018-11-10 04:55:03,231 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2018-11-10 04:55:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 04:55:03,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:04,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:04,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2018-11-10 04:55:04,306 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-11-10 04:55:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 04:55:04,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:05,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2018-11-10 04:55:05,638 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-11-10 04:55:05,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 04:55:05,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:07,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 54 states and 57 transitions. [2018-11-10 04:55:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 57 transitions. [2018-11-10 04:55:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 04:55:07,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:07,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:10,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2018-11-10 04:55:10,446 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2018-11-10 04:55:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 04:55:10,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 70 states and 73 transitions. [2018-11-10 04:55:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2018-11-10 04:55:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 04:55:12,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 04:55:12,777 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 04:55:13,771 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2018-11-10 04:55:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 04:55:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 78 states and 81 transitions. [2018-11-10 04:55:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 81 transitions. [2018-11-10 04:55:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 04:55:24,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 04:55:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:24,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 04:55:24,901 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 11 iterations. [2018-11-10 04:55:24,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 04:55:24 ImpRootNode [2018-11-10 04:55:24,924 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 04:55:24,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 04:55:24,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 04:55:24,925 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 04:55:24,925 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 04:54:57" (3/4) ... [2018-11-10 04:55:24,927 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 04:55:25,009 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9ddf674-ad8c-4a03-a663-e1b37fb8e366/bin-2019/ukojak/witness.graphml [2018-11-10 04:55:25,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 04:55:25,010 INFO L168 Benchmark]: Toolchain (without parser) took 27660.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.6 MB). Free memory was 960.3 MB in the beginning and 895.2 MB in the end (delta: 65.1 MB). Peak memory consumption was 303.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:25,011 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:55:25,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.67 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:25,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.81 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 04:55:25,013 INFO L168 Benchmark]: Boogie Preprocessor took 10.42 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:25,014 INFO L168 Benchmark]: RCFGBuilder took 183.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:25,015 INFO L168 Benchmark]: CodeCheck took 27216.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 211.0 MB). Peak memory consumption was 323.2 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:25,015 INFO L168 Benchmark]: Witness Printer took 84.25 ms. Allocated memory is still 1.3 GB. Free memory was 903.2 MB in the beginning and 895.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-11-10 04:55:25,021 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 1 error locations. UNSAFE Result, 27.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1536 SDtfs, 11238 SDslu, 15326 SDs, 0 SdLazy, 25806 SolverSat, 8944 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 40.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1801 GetRequests, 1463 SyntacticMatches, 130 SemanticMatches, 208 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21085 ImplicationChecksByTransitivity, 11.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 275 NumberOfCodeBlocks, 275 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 90988 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 0/615 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L10] int sn=0; [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L11] unsigned int loop1=__VERIFIER_nondet_uint(), n1=__VERIFIER_nondet_uint(); [L12] unsigned int x=0; [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND TRUE x<10 [L15] sn = sn + (2) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND FALSE, RET !(!(cond)) [L18] __VERIFIER_assert(sn==x*(2) || sn == 0) [L13] COND TRUE 1 [L14] COND FALSE !(x<10) [L17] x++ [L18] CALL __VERIFIER_assert(sn==x*(2) || sn == 0) [L3] COND TRUE !(cond) [L4] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.67 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.81 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.42 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 183.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 27216.94 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.2 MB). Free memory was 1.1 GB in the beginning and 903.2 MB in the end (delta: 211.0 MB). Peak memory consumption was 323.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.25 ms. Allocated memory is still 1.3 GB. Free memory was 903.2 MB in the beginning and 895.2 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...