./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e --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 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:15:54,709 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:15:54,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:15:54,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:15:54,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:15:54,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:15:54,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:15:54,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:15:54,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:15:54,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:15:54,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:15:54,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:15:54,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:15:54,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:15:54,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:15:54,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:15:54,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:15:54,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:15:54,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:15:54,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:15:54,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:15:54,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:15:54,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:15:54,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:15:54,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:15:54,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:15:54,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:15:54,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:15:54,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:15:54,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:15:54,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:15:54,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:15:54,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:15:54,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:15:54,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:15:54,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:15:54,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:15:54,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:15:54,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:15:54,798 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:15:54,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:15:54,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:15:54,827 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:15:54,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:15:54,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:15:54,829 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:15:54,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:15:54,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:15:54,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:15:54,831 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:15:54,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:15:54,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:15:54,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:15:54,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:15:54,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:15:54,832 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:15:54,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:15:54,833 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:15:54,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:15:54,834 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:15:54,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:15:54,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:15:54,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:15:54,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:15:54,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:15:54,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:15:54,836 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:15:54,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:15:54,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:15:54,837 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_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53d499bdc434a02195836153e775e269a2cf419a7e6607f1c0b4e200b110c82e [2021-11-13 23:15:55,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:15:55,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:15:55,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:15:55,125 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:15:55,126 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:15:55,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2021-11-13 23:15:55,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/data/6a2ebdcbf/ecde176bdd204adbbb8e60aef785ac66/FLAGf51b86b96 [2021-11-13 23:15:55,711 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:15:55,712 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1.c [2021-11-13 23:15:55,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/data/6a2ebdcbf/ecde176bdd204adbbb8e60aef785ac66/FLAGf51b86b96 [2021-11-13 23:15:56,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/data/6a2ebdcbf/ecde176bdd204adbbb8e60aef785ac66 [2021-11-13 23:15:56,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:15:56,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:15:56,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:15:56,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:15:56,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:15:56,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e519b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56, skipping insertion in model container [2021-11-13 23:15:56,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:15:56,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:15:56,336 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:15:56,347 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:15:56,358 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:15:56,371 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:15:56,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56 WrapperNode [2021-11-13 23:15:56,372 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:15:56,373 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:15:56,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:15:56,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:15:56,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:15:56,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:15:56,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:15:56,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:15:56,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:15:56,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:15:56,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:15:56,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:15:56,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,436 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:15:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:15:56,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:15:56,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:15:56,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:15:56,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:15:56,780 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:15:56,781 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:15:56,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:56 BoogieIcfgContainer [2021-11-13 23:15:56,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:15:56,786 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:15:56,787 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:15:56,797 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:15:56,797 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:56" (1/1) ... [2021-11-13 23:15:56,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:15:56,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-13 23:15:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-13 23:15:56,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:15:56,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:56,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:57,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-11-13 23:15:57,069 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-11-13 23:15:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:15:57,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:57,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:57,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:57,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2021-11-13 23:15:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-13 23:15:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:15:57,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:57,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:15:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:15:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:15:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-13 23:15:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-13 23:15:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:15:57,607 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:15:57,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:15:57,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:15:57,620 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:15:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:15:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:15:57,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:15:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:15:57,665 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-11-13 23:15:57,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:15:57 ImpRootNode [2021-11-13 23:15:57,693 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:15:57,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:15:57,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:15:57,694 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:15:57,695 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:56" (3/4) ... [2021-11-13 23:15:57,697 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:15:57,732 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:15:57,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:15:57,734 INFO L158 Benchmark]: Toolchain (without parser) took 1621.96ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 77.6MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:15:57,734 INFO L158 Benchmark]: CDTParser took 1.57ms. Allocated memory is still 90.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:15:57,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.38ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 68.4MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:15:57,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.38ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 67.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:15:57,737 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 90.2MB. Free memory was 67.2MB in the beginning and 66.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:15:57,737 INFO L158 Benchmark]: RCFGBuilder took 358.82ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 57.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:15:57,738 INFO L158 Benchmark]: CodeCheck took 907.42ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 57.3MB in the beginning and 79.7MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:15:57,739 INFO L158 Benchmark]: Witness Printer took 38.82ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 23:15:57,744 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 134.29ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 112.14ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 72 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 6 mSDtfsCounter, 72 mSolverCounterSat, 3.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 91 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.57ms. Allocated memory is still 90.2MB. Free memory is still 70.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.38ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 68.4MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.38ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 67.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 90.2MB. Free memory was 67.2MB in the beginning and 66.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 358.82ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 57.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 907.42ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 57.3MB in the beginning and 79.7MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.82ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 23:15:57,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_790fd87b-47de-4fdc-bd1d-f27a23460884/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)