./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/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 3428809e66c8ffa9373e37ec3d02a46642c7f8bc ................................................................................................................................................................................................................................................................................. 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 0.1.23-5842f4b [2018-11-18 12:55:32,708 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:55:32,709 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:55:32,716 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:55:32,716 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:55:32,717 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:55:32,718 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:55:32,719 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:55:32,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:55:32,720 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:55:32,721 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:55:32,721 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:55:32,722 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:55:32,722 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:55:32,723 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:55:32,724 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:55:32,724 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:55:32,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:55:32,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:55:32,728 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:55:32,728 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:55:32,729 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:55:32,731 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:55:32,731 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:55:32,731 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:55:32,732 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:55:32,732 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:55:32,733 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:55:32,734 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:55:32,734 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:55:32,734 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:55:32,735 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:55:32,735 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:55:32,735 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:55:32,735 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:55:32,736 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:55:32,736 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 12:55:32,744 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:55:32,744 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:55:32,744 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:55:32,744 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:55:32,745 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:55:32,745 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:55:32,745 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:55:32,745 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:55:32,746 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:55:32,747 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:55:32,747 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:55:32,747 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:55:32,747 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:55:32,747 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:55:32,747 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:55:32,747 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:55:32,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:55:32,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:55:32,748 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:55:32,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:55:32,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:55:32,748 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_403dee3c-9e46-4b4d-aed8-405d1eb89221/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 -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2018-11-18 12:55:32,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:55:32,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:55:32,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:55:32,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:55:32,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:55:32,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-18 12:55:32,829 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/data/eb9ab73ab/5556b1d9a7f246d8bd97c599ea766079/FLAG035fab7d2 [2018-11-18 12:55:33,146 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:55:33,147 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-18 12:55:33,150 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/data/eb9ab73ab/5556b1d9a7f246d8bd97c599ea766079/FLAG035fab7d2 [2018-11-18 12:55:33,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/data/eb9ab73ab/5556b1d9a7f246d8bd97c599ea766079 [2018-11-18 12:55:33,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:55:33,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:55:33,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:55:33,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:55:33,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:55:33,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312476d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33, skipping insertion in model container [2018-11-18 12:55:33,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:55:33,614 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:55:33,719 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:55:33,722 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:55:33,734 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:55:33,745 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:55:33,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33 WrapperNode [2018-11-18 12:55:33,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:55:33,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:55:33,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:55:33,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:55:33,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:55:33,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:55:33,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:55:33,767 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:55:33,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... [2018-11-18 12:55:33,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:55:33,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:55:33,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:55:33,815 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:55:33,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:55:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/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 [2018-11-18 12:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:55:33,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:55:33,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:55:33,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:55:34,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:55:34,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:55:34 BoogieIcfgContainer [2018-11-18 12:55:34,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:55:34,006 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:55:34,006 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:55:34,015 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:55:34,015 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:55:34" (1/1) ... [2018-11-18 12:55:34,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:55:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-11-18 12:55:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-11-18 12:55:34,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 12:55:34,055 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2018-11-18 12:55:34,221 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2018-11-18 12:55:34,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 12:55:34,221 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2018-11-18 12:55:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2018-11-18 12:55:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 12:55:34,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2018-11-18 12:55:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2018-11-18 12:55:34,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 12:55:34,422 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2018-11-18 12:55:34,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2018-11-18 12:55:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:55:34,493 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 29 states and 33 transitions. [2018-11-18 12:55:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2018-11-18 12:55:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:55:34,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:34,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:34,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-11-18 12:55:34,828 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-18 12:55:34,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:55:34,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:55:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2018-11-18 12:55:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-11-18 12:55:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:55:35,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 12:55:35,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:55:35,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2018-11-18 12:55:35,376 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2018-11-18 12:55:35,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:55:35,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:55:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:55:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:55:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:55:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:55:35,437 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-11-18 12:55:35,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:55:35 ImpRootNode [2018-11-18 12:55:35,459 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:55:35,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:55:35,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:55:35,460 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:55:35,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:55:34" (3/4) ... [2018-11-18 12:55:35,463 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 12:55:35,505 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_403dee3c-9e46-4b4d-aed8-405d1eb89221/bin-2019/ukojak/witness.graphml [2018-11-18 12:55:35,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:55:35,506 INFO L168 Benchmark]: Toolchain (without parser) took 1916.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -149.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:55:35,507 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-18 12:55:35,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.73 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:35,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.94 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:35,510 INFO L168 Benchmark]: Boogie Preprocessor took 47.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:35,511 INFO L168 Benchmark]: RCFGBuilder took 191.28 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:55:35,511 INFO L168 Benchmark]: CodeCheck took 1453.09 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: -928.4 kB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:55:35,512 INFO L168 Benchmark]: Witness Printer took 45.33 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. [2018-11-18 12:55:35,518 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, 26 locations, 6 error locations. UNSAFE Result, 1.4s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 964 SDtfs, 902 SDslu, 800 SDs, 0 SdLazy, 3850 SolverSat, 1348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 620 GetRequests, 551 SyntacticMatches, 7 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1507 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 2257 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 4/21 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] FCALL int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] FCALL a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] EXPR, FCALL a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR, FCALL a[i] [L26] i + offset + a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 155.73 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 20.94 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 191.28 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * CodeCheck took 1453.09 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: -928.4 kB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 45.33 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...