./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.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_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/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_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/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_d2465045-0dfd-4d05-ac43-476354ff352e/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 a2ca33357f027403889c5389836fd555c35be5ddc08c99fd81cecc21ac71c9a7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:11:52,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:11:52,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:11:52,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:11:52,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:11:52,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:11:52,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:11:52,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:11:52,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:11:52,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:11:52,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:11:52,388 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:11:52,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:11:52,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:11:52,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:11:52,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:11:52,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:11:52,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:11:52,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:11:52,412 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:11:52,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:11:52,415 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:11:52,419 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:11:52,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:11:52,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:11:52,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:11:52,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:11:52,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:11:52,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:11:52,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:11:52,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:11:52,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:11:52,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:11:52,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:11:52,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:11:52,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:11:52,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:11:52,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:11:52,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:11:52,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:11:52,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:11:52,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:11:52,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:11:52,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:11:52,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:11:52,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:11:52,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:11:52,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:11:52,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:11:52,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:11:52,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:11:52,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:11:52,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:11:52,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:11:52,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:11:52,503 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:11:52,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:11:52,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:11:52,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:11:52,504 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:11:52,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:11:52,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:11:52,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:11:52,505 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:11:52,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:11:52,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:11:52,505 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:11:52,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:11:52,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:11:52,506 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_d2465045-0dfd-4d05-ac43-476354ff352e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2ca33357f027403889c5389836fd555c35be5ddc08c99fd81cecc21ac71c9a7 [2021-11-13 23:11:52,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:11:52,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:11:52,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:11:52,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:11:52,828 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:11:52,829 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2021-11-13 23:11:52,894 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/data/1c8bf3770/aaecf28f57e843d2a2fed8e05eec3db3/FLAGcd1fe9459 [2021-11-13 23:11:53,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:11:53,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2021-11-13 23:11:53,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/data/1c8bf3770/aaecf28f57e843d2a2fed8e05eec3db3/FLAGcd1fe9459 [2021-11-13 23:11:53,833 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/data/1c8bf3770/aaecf28f57e843d2a2fed8e05eec3db3 [2021-11-13 23:11:53,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:11:53,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:11:53,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:11:53,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:11:53,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:11:53,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:53" (1/1) ... [2021-11-13 23:11:53,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40a1e35d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:53, skipping insertion in model container [2021-11-13 23:11:53,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:11:53" (1/1) ... [2021-11-13 23:11:53,852 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:11:53,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:11:54,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:11:54,039 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:11:54,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:11:54,079 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:11:54,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54 WrapperNode [2021-11-13 23:11:54,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:11:54,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:11:54,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:11:54,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:11:54,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:11:54,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:11:54,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:11:54,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:11:54,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:11:54,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:11:54,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:11:54,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:11:54,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:11:54,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:11:54,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:11:54,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:11:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:11:54,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:11:54,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:11:54,419 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:11:54,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:54 BoogieIcfgContainer [2021-11-13 23:11:54,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:11:54,423 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:11:54,424 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:11:54,433 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:11:54,434 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:54" (1/1) ... [2021-11-13 23:11:54,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:11:54,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-11-13 23:11:54,539 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-11-13 23:11:54,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:11:54,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:54,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:54,738 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 23:11:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2021-11-13 23:11:54,821 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2021-11-13 23:11:54,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:11:54,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:54,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:54,937 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 23:11:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-13 23:11:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-13 23:11:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:11:55,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:11:55,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:11:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:11:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:11:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:11:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2021-11-13 23:11:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2021-11-13 23:11:55,284 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:11:55,285 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-11-13 23:11:55,294 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-11-13 23:11:55,313 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-13 23:11:55,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:11:55 ImpRootNode [2021-11-13 23:11:55,322 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:11:55,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:11:55,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:11:55,323 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:11:55,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:11:54" (3/4) ... [2021-11-13 23:11:55,327 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:11:55,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-13 23:11:55,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-13 23:11:55,355 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-13 23:11:55,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:11:55,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:11:55,387 INFO L158 Benchmark]: Toolchain (without parser) took 1549.67ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 80.4MB in the end (delta: 32.4MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-13 23:11:55,388 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:11:55,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.63ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 118.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:11:55,389 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.87ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 117.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:11:55,390 INFO L158 Benchmark]: Boogie Preprocessor took 23.19ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:11:55,391 INFO L158 Benchmark]: RCFGBuilder took 280.75ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 108.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:11:55,392 INFO L158 Benchmark]: CodeCheck took 899.23ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 82.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-13 23:11:55,392 INFO L158 Benchmark]: Witness Printer took 63.65ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 80.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:11:55,396 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, 7 locations, 2 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, 10 SdHoareTripleChecker+Valid, 147.51ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 129.61ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 0 mSDtfsCounter, 53 mSolverCounterSat, 2.29ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 80 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: 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: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.63ms. Allocated memory is still 142.6MB. Free memory was 112.4MB in the beginning and 118.6MB in the end (delta: -6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.87ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 117.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.19ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 116.5MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 280.75ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 108.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 899.23ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 82.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 63.65ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 80.4MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:11:55,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2465045-0dfd-4d05-ac43-476354ff352e/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 Result: TRUE