./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/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 00d107e65807c328c5ca82cfbd5c365270dccab4 ................................................................................................................................................................................................................................. 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 0.1.24-678e011 [2019-11-19 22:50:08,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:50:08,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:50:08,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:50:08,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:50:08,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:50:08,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:50:08,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:50:08,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:50:08,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:50:08,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:50:08,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:50:08,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:50:08,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:50:08,679 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:50:08,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:50:08,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:50:08,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:50:08,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:50:08,690 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:50:08,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:50:08,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:50:08,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:50:08,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:50:08,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:50:08,703 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:50:08,703 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:50:08,705 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:50:08,705 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:50:08,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:50:08,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:50:08,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:50:08,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:50:08,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:50:08,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:50:08,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:50:08,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:50:08,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:50:08,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:50:08,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:50:08,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:50:08,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2019-11-19 22:50:08,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:50:08,755 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:50:08,756 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:50:08,756 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:50:08,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:50:08,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:50:08,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:50:08,758 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:50:08,758 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:50:08,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:50:08,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:50:08,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:50:08,759 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:50:08,759 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 22:50:08,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:50:08,760 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:50:08,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:50:08,760 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:50:08,760 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:50:08,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:50:08,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:50:08,761 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:50:08,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:50:08,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:50:08,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:50:08,762 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:50:08,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:50:08,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:50:08,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_f0550762-3840-485e-aaa0-db0604243700/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 -> 00d107e65807c328c5ca82cfbd5c365270dccab4 [2019-11-19 22:50:08,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:50:08,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:50:08,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:50:08,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:50:08,965 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:50:08,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2019-11-19 22:50:09,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/data/c1b623661/8c878ab5c4304f7cb3c9e693d878fce3/FLAGf271385a3 [2019-11-19 22:50:09,372 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:50:09,373 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/sv-benchmarks/c/termination-crafted-lit/NoriSharma-FSE2013-Fig8.c [2019-11-19 22:50:09,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/data/c1b623661/8c878ab5c4304f7cb3c9e693d878fce3/FLAGf271385a3 [2019-11-19 22:50:09,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/data/c1b623661/8c878ab5c4304f7cb3c9e693d878fce3 [2019-11-19 22:50:09,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:50:09,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:50:09,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:50:09,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:50:09,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:50:09,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:50:09" (1/1) ... [2019-11-19 22:50:09,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8f14c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:09, skipping insertion in model container [2019-11-19 22:50:09,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:50:09" (1/1) ... [2019-11-19 22:50:09,807 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:50:09,823 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:50:10,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:50:10,015 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:50:10,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:50:10,127 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:50:10,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10 WrapperNode [2019-11-19 22:50:10,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:50:10,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:50:10,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:50:10,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:50:10,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,163 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:50:10,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:50:10,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:50:10,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:50:10,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:50:10,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:50:10,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:50:10,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:50:10,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:50:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/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 [2019-11-19 22:50:10,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:50:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:50:10,534 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:50:10,534 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-19 22:50:10,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:50:10 BoogieIcfgContainer [2019-11-19 22:50:10,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:50:10,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:50:10,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:50:10,546 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:50:10,547 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:50:10" (1/1) ... [2019-11-19 22:50:10,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:50:10,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2019-11-19 22:50:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-19 22:50:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-19 22:50:10,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2019-11-19 22:50:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2019-11-19 22:50:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-19 22:50:10,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:10,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:10,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2019-11-19 22:50:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2019-11-19 22:50:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 22:50:10,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:50:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:50:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:50:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2019-11-19 22:50:11,241 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2019-11-19 22:50:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-19 22:50:11,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:50:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:11,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:50:11,314 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2019-11-19 22:50:11,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:50:11 ImpRootNode [2019-11-19 22:50:11,338 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:50:11,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:50:11,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:50:11,339 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:50:11,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:50:10" (3/4) ... [2019-11-19 22:50:11,341 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-19 22:50:11,379 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f0550762-3840-485e-aaa0-db0604243700/bin/ukojak/witness.graphml [2019-11-19 22:50:11,379 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:50:11,382 INFO L168 Benchmark]: Toolchain (without parser) took 1594.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 950.1 MB in the beginning and 1.0 GB in the end (delta: -92.9 MB). Peak memory consumption was 31.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:11,382 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:50:11,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:11,383 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:50:11,384 INFO L168 Benchmark]: Boogie Preprocessor took 18.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:11,385 INFO L168 Benchmark]: RCFGBuilder took 352.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:11,385 INFO L168 Benchmark]: CodeCheck took 802.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:11,386 INFO L168 Benchmark]: Witness Printer took 41.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:50:11,389 INFO L335 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, 8 error locations. Result: UNSAFE, OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 SDtfs, 40 SDslu, 68 SDs, 0 SdLazy, 98 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, u, v, w, x, y, z; [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] u = x [L20] v = y [L21] w = z [L22] c = 0 [L23] COND TRUE x >= y [L24] EXPR c + 1 [L24] c = c + 1 [L25] COND FALSE !(z > 1) [L29] y + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 802.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Witness Printer took 41.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...