./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 914e210bb2ee753bbbdbfa23a6e9397216225fad ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:51:49,685 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:51:49,687 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:51:49,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:51:49,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:51:49,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:51:49,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:51:49,699 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:51:49,700 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:51:49,700 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:51:49,701 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:51:49,701 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:51:49,702 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:51:49,703 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:51:49,703 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:51:49,704 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:51:49,705 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:51:49,706 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:51:49,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:51:49,708 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:51:49,709 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:51:49,710 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:51:49,711 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:51:49,712 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:51:49,712 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:51:49,712 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:51:49,713 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:51:49,714 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:51:49,714 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:51:49,715 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:51:49,715 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:51:49,716 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:51:49,716 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:51:49,716 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:51:49,717 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:51:49,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:51:49,718 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 06:51:49,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:51:49,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:51:49,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:51:49,729 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:51:49,730 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:51:49,730 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:51:49,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:51:49,730 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 06:51:49,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:51:49,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:51:49,731 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:51:49,731 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:51:49,731 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:51:49,731 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 06:51:49,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:51:49,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:51:49,732 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:51:49,732 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:51:49,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:51:49,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:51:49,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:51:49,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:51:49,732 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:51:49,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:51:49,733 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:51:49,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:51:49,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:51:49,733 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_2a84d261-df60-4359-8ccf-1d1af7fc5f75/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 914e210bb2ee753bbbdbfa23a6e9397216225fad [2018-11-10 06:51:49,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:51:49,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:51:49,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:51:49,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:51:49,776 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:51:49,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3_false-no-overflow.c [2018-11-10 06:51:49,824 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/data/10c7267b6/aeb54c1448744cb4ae1a267969867545/FLAGa818b2068 [2018-11-10 06:51:50,151 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:51:50,151 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/sv-benchmarks/c/termination-crafted-lit/Ben-Amram-LMCS2010-Ex2.3_false-no-overflow.c [2018-11-10 06:51:50,156 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/data/10c7267b6/aeb54c1448744cb4ae1a267969867545/FLAGa818b2068 [2018-11-10 06:51:50,166 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/data/10c7267b6/aeb54c1448744cb4ae1a267969867545 [2018-11-10 06:51:50,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:51:50,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:51:50,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:51:50,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:51:50,172 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:51:50,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5ab32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50, skipping insertion in model container [2018-11-10 06:51:50,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:51:50,192 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:51:50,293 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:51:50,295 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:51:50,305 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:51:50,313 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:51:50,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50 WrapperNode [2018-11-10 06:51:50,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:51:50,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:51:50,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:51:50,314 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:51:50,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,341 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:51:50,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:51:50,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:51:50,341 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:51:50,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:51:50,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:51:50,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:51:50,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:51:50,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:51:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/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 06:51:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:51:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:51:50,585 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:51:50,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:51:50 BoogieIcfgContainer [2018-11-10 06:51:50,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:51:50,586 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:51:50,586 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:51:50,593 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:51:50,594 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:51:50" (1/1) ... [2018-11-10 06:51:50,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:51:50,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:51:50,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2018-11-10 06:51:50,637 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2018-11-10 06:51:50,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 06:51:50,640 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:51:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:51:50,737 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 06:51:50,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:51:50,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-11-10 06:51:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-11-10 06:51:50,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 06:51:50,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:51:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:51:50,798 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 06:51:50,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:51:50,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-11-10 06:51:50,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-11-10 06:51:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 06:51:50,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:51:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:51:50,844 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 06:51:50,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:51:50,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2018-11-10 06:51:50,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2018-11-10 06:51:50,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 06:51:50,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:51:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:51:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:51:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:51:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:51:50,985 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2018-11-10 06:51:51,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:51:51 ImpRootNode [2018-11-10 06:51:51,005 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:51:51,005 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:51:51,005 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:51:51,005 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:51:51,006 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:51:50" (3/4) ... [2018-11-10 06:51:51,009 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 06:51:51,046 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2a84d261-df60-4359-8ccf-1d1af7fc5f75/bin-2019/ukojak/witness.graphml [2018-11-10 06:51:51,046 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:51:51,046 INFO L168 Benchmark]: Toolchain (without parser) took 878.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:51:51,048 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:51:51,048 INFO L168 Benchmark]: CACSL2BoogieTranslator took 144.61 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:51:51,049 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.05 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:51:51,049 INFO L168 Benchmark]: Boogie Preprocessor took 15.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:51:51,049 INFO L168 Benchmark]: RCFGBuilder took 228.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:51:51,050 INFO L168 Benchmark]: CodeCheck took 418.92 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:51:51,050 INFO L168 Benchmark]: Witness Printer took 40.77 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:51:51,053 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, 21 locations, 6 error locations. UNSAFE Result, 0.3s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 16 SDtfs, 34 SDslu, 32 SDs, 0 SdLazy, 98 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 127 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L20] COND TRUE x > 0 && y > 0 && z > 0 [L21] COND TRUE y > x [L22] y = z [L23] x = __VERIFIER_nondet_int() [L24] x - 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 144.61 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 943.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.05 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 228.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * CodeCheck took 418.92 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: 31.0 MB). Peak memory consumption was 31.0 MB. Max. memory is 11.5 GB. * Witness Printer took 40.77 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...