./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call.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_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/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 5a78e5ac8a70d10b48fa6c5955c8640de4def14b ................................................................................................................................................................................................................................ 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 05:35:07,800 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:35:07,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:35:07,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:35:07,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:35:07,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:35:07,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:35:07,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:35:07,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:35:07,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:35:07,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:35:07,814 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:35:07,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:35:07,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:35:07,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:35:07,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:35:07,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:35:07,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:35:07,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:35:07,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:35:07,821 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:35:07,822 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:35:07,824 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:35:07,824 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:35:07,824 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:35:07,825 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:35:07,825 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:35:07,826 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:35:07,826 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:35:07,827 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:35:07,827 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:35:07,828 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:35:07,828 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:35:07,828 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:35:07,829 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:35:07,829 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:35:07,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:35:07,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:35:07,839 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:35:07,840 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:35:07,840 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:35:07,841 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:35:07,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:35:07,841 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:35:07,841 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:35:07,841 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:35:07,841 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:35:07,842 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:35:07,843 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:35:07,843 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:35:07,843 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:35:07,843 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:35:07,843 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:35:07,843 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:35:07,843 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:35:07,844 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:35:07,844 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:35:07,844 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:35:07,844 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:35:07,844 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_ddfa3848-7a68-4611-bd97-5db63aa15480/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 -> 5a78e5ac8a70d10b48fa6c5955c8640de4def14b [2018-11-10 05:35:07,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:35:07,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:35:07,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:35:07,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:35:07,877 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:35:07,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/../../sv-benchmarks/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call.i [2018-11-10 05:35:07,915 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/data/9cd80285d/957e20e1eefe464e913c4bd45db337e9/FLAGd0e348643 [2018-11-10 05:35:08,302 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:35:08,303 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/sv-benchmarks/c/ldv-regression/test_while_int_true-termination.c_false-unreach-call.i [2018-11-10 05:35:08,307 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/data/9cd80285d/957e20e1eefe464e913c4bd45db337e9/FLAGd0e348643 [2018-11-10 05:35:08,318 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/data/9cd80285d/957e20e1eefe464e913c4bd45db337e9 [2018-11-10 05:35:08,320 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:35:08,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:35:08,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:35:08,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:35:08,324 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:35:08,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@606eadf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08, skipping insertion in model container [2018-11-10 05:35:08,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:35:08,343 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:35:08,434 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:35:08,436 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:35:08,444 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:35:08,452 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:35:08,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08 WrapperNode [2018-11-10 05:35:08,453 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:35:08,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:35:08,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:35:08,453 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:35:08,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:35:08,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:35:08,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:35:08,478 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:35:08,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,490 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:35:08,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:35:08,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:35:08,491 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:35:08,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:35:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/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 05:35:08,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:35:08,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:35:08,669 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:35:08,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:35:08 BoogieIcfgContainer [2018-11-10 05:35:08,669 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:35:08,670 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:35:08,670 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:35:08,676 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:35:08,676 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:35:08" (1/1) ... [2018-11-10 05:35:08,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:35:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:35:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 05:35:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 05:35:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:35:08,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:35:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:35:08,832 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 05:35:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:35:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-11-10 05:35:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-11-10 05:35:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 05:35:08,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:35:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:35:08,939 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 05:35:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:35:09,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-11-10 05:35:09,182 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-11-10 05:35:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:35:09,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:35:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:35:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:35:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:35:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:35:09,220 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2018-11-10 05:35:09,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:35:09 ImpRootNode [2018-11-10 05:35:09,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:35:09,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:35:09,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:35:09,239 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:35:09,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:35:08" (3/4) ... [2018-11-10 05:35:09,241 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:35:09,276 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ddfa3848-7a68-4611-bd97-5db63aa15480/bin-2019/ukojak/witness.graphml [2018-11-10 05:35:09,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:35:09,277 INFO L168 Benchmark]: Toolchain (without parser) took 956.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -105.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:35:09,278 INFO L168 Benchmark]: CDTParser took 0.10 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 05:35:09,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 131.37 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:35:09,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.39 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:35:09,279 INFO L168 Benchmark]: Boogie Preprocessor took 13.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:35:09,279 INFO L168 Benchmark]: RCFGBuilder took 178.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:35:09,279 INFO L168 Benchmark]: CodeCheck took 568.92 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:35:09,280 INFO L168 Benchmark]: Witness Printer took 37.23 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. [2018-11-10 05:35:09,281 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, 0.5s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 18 SDslu, 26 SDs, 0 SdLazy, 52 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 91 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 0/3 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L23] int i=0; [L24] COND TRUE i<5 [L25] i++ [L29] CALL check_error(i!=3) [L18] COND TRUE, RET (b) ? (0) : __blast_assert () [L29] check_error(i!=3) [L24] COND TRUE i<5 [L25] i++ [L29] CALL check_error(i!=3) [L18] COND TRUE, RET (b) ? (0) : __blast_assert () [L29] check_error(i!=3) [L24] COND TRUE i<5 [L25] i++ [L29] CALL check_error(i!=3) [L18] COND FALSE !((b) ? (0) : __blast_assert ()) [L18] CALL __blast_assert () [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 131.37 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.39 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.25 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 568.92 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: 57.6 MB). Peak memory consumption was 57.6 MB. Max. memory is 11.5 GB. * Witness Printer took 37.23 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. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...