./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/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_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/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 0.1.23-635dfa2 [2018-12-09 16:19:00,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:19:00,359 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:19:00,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:19:00,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:19:00,365 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:19:00,366 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:19:00,367 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:19:00,368 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:19:00,368 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:19:00,369 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:19:00,369 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:19:00,369 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:19:00,370 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:19:00,370 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:19:00,371 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:19:00,371 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:19:00,372 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:19:00,373 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:19:00,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:19:00,374 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:19:00,375 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:19:00,376 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:19:00,376 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:19:00,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:19:00,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:19:00,377 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:19:00,378 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:19:00,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:19:00,378 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:19:00,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:19:00,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:19:00,379 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:19:00,379 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:19:00,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:19:00,380 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:19:00,380 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-09 16:19:00,387 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:19:00,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:19:00,388 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:19:00,388 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 16:19:00,389 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:19:00,389 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-09 16:19:00,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:19:00,390 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 16:19:00,390 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:19:00,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:19:00,390 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:19:00,391 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 16:19:00,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:19:00,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:19:00,391 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_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/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 [2018-12-09 16:19:00,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:19:00,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:19:00,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:19:00,418 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:19:00,418 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:19:00,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-12-09 16:19:00,452 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/data/bf6f12dec/51d071000c1c41f1917d4004f04b7841/FLAG05e806107 [2018-12-09 16:19:00,868 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:19:00,868 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-12-09 16:19:00,871 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/data/bf6f12dec/51d071000c1c41f1917d4004f04b7841/FLAG05e806107 [2018-12-09 16:19:00,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/data/bf6f12dec/51d071000c1c41f1917d4004f04b7841 [2018-12-09 16:19:00,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:19:00,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:19:00,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:19:00,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:19:00,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:19:00,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:19:00" (1/1) ... [2018-12-09 16:19:00,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:00, skipping insertion in model container [2018-12-09 16:19:00,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:19:00" (1/1) ... [2018-12-09 16:19:00,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:19:00,901 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:19:00,988 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:19:00,990 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:19:01,002 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:19:01,013 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:19:01,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01 WrapperNode [2018-12-09 16:19:01,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:19:01,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:19:01,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:19:01,014 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:19:01,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:19:01,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:19:01,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:19:01,035 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:19:01,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:19:01,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:19:01,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:19:01,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:19:01,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:19:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/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 [2018-12-09 16:19:01,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 16:19:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:19:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:19:01,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:19:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 16:19:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:19:01,228 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:19:01,228 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 16:19:01,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:01 BoogieIcfgContainer [2018-12-09 16:19:01,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:19:01,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 16:19:01,229 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 16:19:01,235 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 16:19:01,235 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:01" (1/1) ... [2018-12-09 16:19:01,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:19:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:01,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2018-12-09 16:19:01,262 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2018-12-09 16:19:01,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 16:19:01,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:01,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:19:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2018-12-09 16:19:01,383 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2018-12-09 16:19:01,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 16:19:01,383 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:19:01,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:01,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2018-12-09 16:19:01,411 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2018-12-09 16:19:01,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 16:19:01,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:01,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:19:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:01,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2018-12-09 16:19:01,481 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2018-12-09 16:19:01,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 16:19:01,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:19:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:01,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2018-12-09 16:19:01,575 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2018-12-09 16:19:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 16:19:01,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:19:01,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:01,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2018-12-09 16:19:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2018-12-09 16:19:01,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 16:19:01,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:19:02,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:02,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2018-12-09 16:19:02,008 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2018-12-09 16:19:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 16:19:02,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:02,062 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:19:02,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:02,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2018-12-09 16:19:02,182 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2018-12-09 16:19:02,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 16:19:02,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:19:02,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:19:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:19:02,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 34 states and 48 transitions. [2018-12-09 16:19:02,374 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 48 transitions. [2018-12-09 16:19:02,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 16:19:02,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:19:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:19:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:19:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:19:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 16:19:02,416 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 9 iterations. [2018-12-09 16:19:02,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:19:02 ImpRootNode [2018-12-09 16:19:02,433 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:19:02,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:19:02,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:19:02,434 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:19:02,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:19:01" (3/4) ... [2018-12-09 16:19:02,435 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 16:19:02,464 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1223aa3c-7ae1-4642-a8cf-fa344311ed7a/bin-2019/ukojak/witness.graphml [2018-12-09 16:19:02,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:19:02,464 INFO L168 Benchmark]: Toolchain (without parser) took 1582.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 958.7 MB in the beginning and 802.0 MB in the end (delta: 156.7 MB). Peak memory consumption was 253.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:02,465 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:19:02,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.74 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:02,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.83 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:19:02,466 INFO L168 Benchmark]: Boogie Preprocessor took 45.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:02,467 INFO L168 Benchmark]: RCFGBuilder took 147.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:02,468 INFO L168 Benchmark]: CodeCheck took 1204.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 805.5 MB in the end (delta: 266.6 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:02,468 INFO L168 Benchmark]: Witness Printer took 30.83 ms. Allocated memory is still 1.1 GB. Free memory was 805.5 MB in the beginning and 802.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:19:02,471 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, 24 locations, 6 error locations. UNSAFE Result, 1.1s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 868 SDtfs, 390 SDslu, 24 SDs, 0 SdLazy, 3726 SolverSat, 1348 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 478 GetRequests, 411 SyntacticMatches, 5 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1503 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 51 ConstructedInterpolants, 0 QuantifiedInterpolants, 1155 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 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] 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 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.74 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 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 20.83 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 147.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * CodeCheck took 1204.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 805.5 MB in the end (delta: 266.6 MB). Peak memory consumption was 266.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.83 ms. Allocated memory is still 1.1 GB. Free memory was 805.5 MB in the beginning and 802.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...