./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_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_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/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 9f16087843ad8a83da47d6a6a4e9d674fa79150d ................................................................................................................................................................................................................................................................. 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 11:45:20,543 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:45:20,544 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:45:20,551 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:45:20,552 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:45:20,552 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:45:20,553 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:45:20,554 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:45:20,555 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:45:20,556 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:45:20,557 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:45:20,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:45:20,557 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:45:20,558 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:45:20,559 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:45:20,559 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:45:20,560 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:45:20,561 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:45:20,563 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:45:20,564 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:45:20,564 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:45:20,565 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:45:20,567 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:45:20,567 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:45:20,567 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:45:20,568 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:45:20,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:45:20,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:45:20,569 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:45:20,570 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:45:20,570 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:45:20,570 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:45:20,570 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:45:20,570 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:45:20,571 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:45:20,571 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:45:20,571 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-10 11:45:20,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:45:20,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:45:20,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:45:20,580 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:45:20,581 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:45:20,581 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:45:20,581 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:45:20,582 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:45:20,582 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:45:20,582 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:45:20,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:45:20,582 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_a3f3c48f-3049-4f77-a14a-e92d81922223/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 -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2018-11-10 11:45:20,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:45:20,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:45:20,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:45:20,618 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:45:20,619 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:45:20,619 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-11-10 11:45:20,659 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/data/319f2586b/9495c2e9e50c4dc08b640025f157efe6/FLAGc8f53198c [2018-11-10 11:45:21,036 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:45:21,037 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-11-10 11:45:21,041 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/data/319f2586b/9495c2e9e50c4dc08b640025f157efe6/FLAGc8f53198c [2018-11-10 11:45:21,052 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/data/319f2586b/9495c2e9e50c4dc08b640025f157efe6 [2018-11-10 11:45:21,054 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:45:21,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:45:21,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:45:21,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:45:21,058 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:45:21,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,060 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21, skipping insertion in model container [2018-11-10 11:45:21,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:45:21,076 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:45:21,170 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:45:21,172 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:45:21,182 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:45:21,189 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:45:21,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21 WrapperNode [2018-11-10 11:45:21,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:45:21,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:45:21,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:45:21,191 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:45:21,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,199 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:45:21,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:45:21,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:45:21,210 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:45:21,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:45:21,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:45:21,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:45:21,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:45:21,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:45:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/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 11:45:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:45:21,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:45:21,454 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:45:21,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:45:21 BoogieIcfgContainer [2018-11-10 11:45:21,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:45:21,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:45:21,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:45:21,464 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:45:21,464 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:45:21" (1/1) ... [2018-11-10 11:45:21,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:45:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:21,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-11-10 11:45:21,509 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-10 11:45:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 11:45:21,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:21,594 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 11:45:21,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 33 states and 36 transitions. [2018-11-10 11:45:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-11-10 11:45:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:45:21,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:21,648 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 11:45:21,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:21,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2018-11-10 11:45:21,695 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2018-11-10 11:45:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:45:21,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:21,718 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 11:45:21,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:21,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 42 states and 50 transitions. [2018-11-10 11:45:21,791 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2018-11-10 11:45:21,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:45:21,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:21,829 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 11:45:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2018-11-10 11:45:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-11-10 11:45:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 11:45:21,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:21,916 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 11:45:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2018-11-10 11:45:21,933 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2018-11-10 11:45:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:45:21,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:21,965 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 11:45:22,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:22,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2018-11-10 11:45:22,119 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2018-11-10 11:45:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:45:22,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:22,161 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 11:45:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 52 states and 70 transitions. [2018-11-10 11:45:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 70 transitions. [2018-11-10 11:45:22,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 11:45:22,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:45:22,389 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 11:45:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:45:22,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 72 transitions. [2018-11-10 11:45:22,446 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 72 transitions. [2018-11-10 11:45:22,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 11:45:22,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:45:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:45:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:45:22,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:45:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:45:22,475 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-11-10 11:45:22,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:45:22 ImpRootNode [2018-11-10 11:45:22,492 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:45:22,492 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:45:22,492 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:45:22,492 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:45:22,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:45:21" (3/4) ... [2018-11-10 11:45:22,496 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 11:45:22,531 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a3f3c48f-3049-4f77-a14a-e92d81922223/bin-2019/ukojak/witness.graphml [2018-11-10 11:45:22,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:45:22,532 INFO L168 Benchmark]: Toolchain (without parser) took 1477.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 960.3 MB in the beginning and 1.0 GB in the end (delta: -58.9 MB). Peak memory consumption was 111.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:45:22,534 INFO L168 Benchmark]: CDTParser took 0.16 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 11:45:22,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:45:22,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:45:22,535 INFO L168 Benchmark]: Boogie Preprocessor took 13.05 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 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 11:45:22,536 INFO L168 Benchmark]: RCFGBuilder took 230.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.9 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 11:45:22,537 INFO L168 Benchmark]: CodeCheck took 1037.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:45:22,538 INFO L168 Benchmark]: Witness Printer took 39.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-10 11:45:22,543 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, 36 locations, 12 error locations. UNSAFE Result, 0.9s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1792 SDtfs, 1426 SDslu, 864 SDs, 0 SdLazy, 4060 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 458 GetRequests, 417 SyntacticMatches, 7 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 1020 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 * 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.92 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.52 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.05 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 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 230.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.4 MB). Free memory was 946.9 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * CodeCheck took 1037.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...