./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/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 0.2.0-a4ecdab [2020-11-28 04:41:50,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:50,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:50,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:50,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:50,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:50,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:50,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:50,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:50,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:50,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:50,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:50,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:50,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:50,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:50,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:50,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:50,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:50,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:50,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:50,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:50,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:50,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:50,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:50,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:50,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:50,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:50,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:50,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:50,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:50,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:50,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:50,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:50,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:50,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:50,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:50,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:50,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:50,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:50,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:50,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:50,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:41:50,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:50,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:50,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:50,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:50,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:50,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:50,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:50,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:41:50,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:50,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:50,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:50,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:50,766 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:50,766 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:41:50,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:50,767 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:50,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:50,767 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:50,767 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:50,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:50,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:50,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:50,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:50,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:50,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:50,769 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:50,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:50,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:50,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2020-11-28 04:41:51,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:51,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:51,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:51,070 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:51,071 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:51,072 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2020-11-28 04:41:51,153 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/data/641a51103/969a5476c5fa4b2190dc54897f2bf396/FLAG3dca687cf [2020-11-28 04:41:51,631 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:51,631 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2020-11-28 04:41:51,642 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/data/641a51103/969a5476c5fa4b2190dc54897f2bf396/FLAG3dca687cf [2020-11-28 04:41:52,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/data/641a51103/969a5476c5fa4b2190dc54897f2bf396 [2020-11-28 04:41:52,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:52,028 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:52,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:52,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:52,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:52,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,049 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@761d9f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52, skipping insertion in model container [2020-11-28 04:41:52,050 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,057 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:52,071 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:52,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:52,247 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:52,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:52,278 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:52,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52 WrapperNode [2020-11-28 04:41:52,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:52,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:52,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:52,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:52,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:52,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:52,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:52,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:52,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,325 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:52,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:52,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:52,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:52,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/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 [2020-11-28 04:41:52,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:52,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:41:52,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:41:52,877 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:52,877 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 04:41:52,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:52 BoogieIcfgContainer [2020-11-28 04:41:52,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:52,880 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:52,880 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:52,891 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:52,892 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:52,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-11-28 04:41:52,945 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-28 04:41:52,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:41:52,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:53,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2020-11-28 04:41:53,190 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-11-28 04:41:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:41:53,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:53,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-11-28 04:41:53,253 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-11-28 04:41:53,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:41:53,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2020-11-28 04:41:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2020-11-28 04:41:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:41:53,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,469 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:53,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2020-11-28 04:41:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2020-11-28 04:41:53,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:41:53,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2020-11-28 04:41:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-11-28 04:41:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:41:53,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:54,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:41:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:54,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2020-11-28 04:41:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2020-11-28 04:41:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:41:54,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:54,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:54,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2020-11-28 04:41:54,420 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2020-11-28 04:41:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:41:54,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-28 04:41:54,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2020-11-28 04:41:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2020-11-28 04:41:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:41:54,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:54,492 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:54,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:54,565 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:54,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:54,598 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2020-11-28 04:41:54,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:54 ImpRootNode [2020-11-28 04:41:54,632 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:54,632 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:54,632 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:54,641 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:54,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:52" (3/4) ... [2020-11-28 04:41:54,643 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:41:54,693 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a05c7007-8038-4c9e-ab84-b096be1a6dc9/bin/ukojak/witness.graphml [2020-11-28 04:41:54,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:54,696 INFO L168 Benchmark]: Toolchain (without parser) took 2666.10 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 55.0 MB in the beginning and 51.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 32.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:54,697 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 45.3 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:54,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.79 ms. Allocated memory is still 86.0 MB. Free memory was 54.8 MB in the beginning and 64.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:54,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.00 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 63.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:54,699 INFO L168 Benchmark]: Boogie Preprocessor took 20.38 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 61.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:54,700 INFO L168 Benchmark]: RCFGBuilder took 546.59 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 46.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:54,701 INFO L168 Benchmark]: CodeCheck took 1751.68 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 46.7 MB in the beginning and 52.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:54,701 INFO L168 Benchmark]: Witness Printer took 61.86 ms. Allocated memory is still 115.3 MB. Free memory was 52.6 MB in the beginning and 51.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:54,705 INFO L339 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, 20 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.6s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 864 SDtfs, 348 SDslu, 16 SDs, 0 SdLazy, 3486 SolverSat, 1294 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 448 GetRequests, 405 SyntacticMatches, 5 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1075 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 2/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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] int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] 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 a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR a[i] [L26] i + offset + a[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 45.4 MB in the beginning and 45.3 MB in the end (delta: 34.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 236.79 ms. Allocated memory is still 86.0 MB. Free memory was 54.8 MB in the beginning and 64.3 MB in the end (delta: -9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.00 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 63.0 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.38 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 61.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 546.59 ms. Allocated memory is still 86.0 MB. Free memory was 61.9 MB in the beginning and 46.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 1751.68 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 46.7 MB in the beginning and 52.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * Witness Printer took 61.86 ms. Allocated memory is still 115.3 MB. Free memory was 52.6 MB in the beginning and 51.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...