./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.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_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/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 d1222cbe619907da17220c6769d95d8d6fd1064c .............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:37:35,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:35,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:35,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:35,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:35,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:35,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:35,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:35,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:35,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:35,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:35,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:35,667 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:35,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:35,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:35,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:35,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:35,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:35,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:35,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:35,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:35,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:35,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:35,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:35,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:35,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:35,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:35,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:35,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:35,701 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:35,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:35,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:35,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:35,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:35,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:35,708 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:35,709 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:35,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:35,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:35,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:35,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:35,715 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:37:35,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:35,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:35,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:37:35,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:37:35,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:35,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:35,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:35,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:37:35,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:35,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:35,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:37:35,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:35,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:37:35,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:37:35,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:37:35,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:35,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:37:35,768 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:35,768 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:35,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:35,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:35,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:35,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:35,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:35,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:37:35,770 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:35,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:35,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:37:35,771 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_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1222cbe619907da17220c6769d95d8d6fd1064c [2020-11-28 04:37:36,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:36,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:36,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:36,086 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:36,088 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:36,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2020-11-28 04:37:36,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/data/8219f0e49/3a0c4eeccc45476d832951bd277e1f46/FLAG1b84ea5d0 [2020-11-28 04:37:36,674 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:36,675 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig3.c [2020-11-28 04:37:36,680 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/data/8219f0e49/3a0c4eeccc45476d832951bd277e1f46/FLAG1b84ea5d0 [2020-11-28 04:37:37,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/data/8219f0e49/3a0c4eeccc45476d832951bd277e1f46 [2020-11-28 04:37:37,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:37,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:37,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:37,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:37,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:37,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,108 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afb445c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37, skipping insertion in model container [2020-11-28 04:37:37,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:37,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:37,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:37,257 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:37,281 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:37,306 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:37,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37 WrapperNode [2020-11-28 04:37:37,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:37,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:37,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:37,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:37,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:37,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:37,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:37,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:37,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:37,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:37,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:37,375 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:37,376 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/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 04:37:37,451 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-11-28 04:37:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-11-28 04:37:37,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:37,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:37,663 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:37,663 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:37:37,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:37 BoogieIcfgContainer [2020-11-28 04:37:37,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:37,666 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:37,666 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:37,695 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:37,696 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:37" (1/1) ... [2020-11-28 04:37:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-11-28 04:37:37,774 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-28 04:37:37,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:37:37,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:37,981 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 04:37:38,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2020-11-28 04:37:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2020-11-28 04:37:38,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:37:38,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:38,133 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 04:37:38,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:38,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2020-11-28 04:37:38,160 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2020-11-28 04:37:38,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:37:38,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:38,234 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 04:37:38,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:38,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 31 transitions. [2020-11-28 04:37:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2020-11-28 04:37:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:37:38,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:38,430 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 04:37:38,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:38,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 17 states and 26 transitions. [2020-11-28 04:37:38,453 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2020-11-28 04:37:38,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:37:38,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:38,617 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:39,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:39,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 10 states and 12 transitions. [2020-11-28 04:37:39,154 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2020-11-28 04:37:39,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:37:39,155 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-11-28 04:37:39,163 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2020-11-28 04:37:39,268 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:37:39,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:37:39 ImpRootNode [2020-11-28 04:37:39,272 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:37:39,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:37:39,273 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:37:39,273 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:37:39,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:37" (3/4) ... [2020-11-28 04:37:39,279 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:37:39,286 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure foo [2020-11-28 04:37:39,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 04:37:39,293 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:37:39,294 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:37:39,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b9f6f395-5fe1-4c85-94bc-cf7e38b49fb6/bin/ukojak/witness.graphml [2020-11-28 04:37:39,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:37:39,347 INFO L168 Benchmark]: Toolchain (without parser) took 2246.42 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 46.1 MB in the end (delta: 33.5 MB). Peak memory consumption was 34.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:39,348 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:39,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.25 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 86.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:39,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 107.0 MB. Free memory was 86.3 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:39,350 INFO L168 Benchmark]: Boogie Preprocessor took 19.71 ms. Allocated memory is still 107.0 MB. Free memory was 84.9 MB in the beginning and 84.3 MB in the end (delta: 672.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:39,351 INFO L168 Benchmark]: RCFGBuilder took 290.59 ms. Allocated memory is still 107.0 MB. Free memory was 84.3 MB in the beginning and 73.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:39,351 INFO L168 Benchmark]: CodeCheck took 1605.67 ms. Allocated memory is still 107.0 MB. Free memory was 73.1 MB in the beginning and 48.2 MB in the end (delta: 24.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:39,352 INFO L168 Benchmark]: Witness Printer took 73.29 ms. Allocated memory is still 107.0 MB. Free memory was 48.2 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:39,355 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 96 SDtfs, 212 SDslu, 392 SDs, 0 SdLazy, 506 SolverSat, 158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 352 SyntacticMatches, 16 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 798 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 3/5 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 - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory was 42.3 MB in the beginning and 42.2 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 207.25 ms. Allocated memory is still 107.0 MB. Free memory was 79.6 MB in the beginning and 86.3 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.14 ms. Allocated memory is still 107.0 MB. Free memory was 86.3 MB in the beginning and 84.9 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.71 ms. Allocated memory is still 107.0 MB. Free memory was 84.9 MB in the beginning and 84.3 MB in the end (delta: 672.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 290.59 ms. Allocated memory is still 107.0 MB. Free memory was 84.3 MB in the beginning and 73.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 1605.67 ms. Allocated memory is still 107.0 MB. Free memory was 73.1 MB in the beginning and 48.2 MB in the end (delta: 24.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.1 GB. * Witness Printer took 73.29 ms. Allocated memory is still 107.0 MB. Free memory was 48.2 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...