./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY --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 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 .............................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 04:20:45,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 04:20:45,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 04:20:45,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 04:20:45,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 04:20:45,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 04:20:45,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 04:20:45,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 04:20:45,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 04:20:45,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 04:20:45,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 04:20:45,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 04:20:45,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 04:20:45,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 04:20:45,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 04:20:45,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 04:20:45,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 04:20:45,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 04:20:45,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 04:20:45,240 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 04:20:45,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 04:20:45,248 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 04:20:45,249 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 04:20:45,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 04:20:45,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 04:20:45,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 04:20:45,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 04:20:45,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 04:20:45,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 04:20:45,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 04:20:45,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 04:20:45,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 04:20:45,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 04:20:45,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 04:20:45,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 04:20:45,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 04:20:45,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 04:20:45,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 04:20:45,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 04:20:45,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 04:20:45,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 04:20:45,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-13 04:20:45,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 04:20:45,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 04:20:45,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 04:20:45,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-13 04:20:45,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 04:20:45,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 04:20:45,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 04:20:45,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 04:20:45,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 04:20:45,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 04:20:45,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 04:20:45,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 04:20:45,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 04:20:45,320 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 04:20:45,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 04:20:45,321 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 04:20:45,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 04:20:45,321 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-13 04:20:45,322 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-13 04:20:45,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 04:20:45,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:20:45,322 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 04:20:45,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 04:20:45,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 04:20:45,323 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-13 04:20:45,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 04:20:45,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 04:20:45,324 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_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a661b9ed427d2e9174ef6e6cb1f5d6d0ab8d9e2 [2021-10-13 04:20:45,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 04:20:45,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 04:20:45,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 04:20:45,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 04:20:45,594 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 04:20:45,595 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/../../sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2021-10-13 04:20:45,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/data/0975f4f0b/2a27136b5f5f4e47a39e479b9ac4b7fe/FLAGd1e3b9910 [2021-10-13 04:20:46,112 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 04:20:46,112 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/sv-benchmarks/c/termination-crafted-lit/CookSeeZuleger-TACAS2013-Fig8a-modified.c [2021-10-13 04:20:46,120 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/data/0975f4f0b/2a27136b5f5f4e47a39e479b9ac4b7fe/FLAGd1e3b9910 [2021-10-13 04:20:46,139 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/data/0975f4f0b/2a27136b5f5f4e47a39e479b9ac4b7fe [2021-10-13 04:20:46,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 04:20:46,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 04:20:46,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 04:20:46,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 04:20:46,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 04:20:46,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b2bc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46, skipping insertion in model container [2021-10-13 04:20:46,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,156 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 04:20:46,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 04:20:46,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:20:46,294 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 04:20:46,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 04:20:46,338 INFO L208 MainTranslator]: Completed translation [2021-10-13 04:20:46,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46 WrapperNode [2021-10-13 04:20:46,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 04:20:46,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 04:20:46,345 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 04:20:46,345 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 04:20:46,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 04:20:46,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 04:20:46,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 04:20:46,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 04:20:46,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 04:20:46,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 04:20:46,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 04:20:46,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 04:20:46,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-13 04:20:46,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/z3 [2021-10-13 04:20:46,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-13 04:20:46,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-13 04:20:46,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 04:20:46,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 04:20:46,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 04:20:46,700 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 04:20:46,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:20:46 BoogieIcfgContainer [2021-10-13 04:20:46,702 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 04:20:46,703 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-13 04:20:46,704 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-13 04:20:46,714 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-13 04:20:46,714 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:20:46" (1/1) ... [2021-10-13 04:20:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 04:20:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:46,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-10-13 04:20:46,756 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-10-13 04:20:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:20:46,758 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:46,758 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:46,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:47,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-10-13 04:20:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-10-13 04:20:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-13 04:20:47,030 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:47,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:47,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:47,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2021-10-13 04:20:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2021-10-13 04:20:47,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:20:47,324 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:47,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:47,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 17 states and 23 transitions. [2021-10-13 04:20:47,583 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 23 transitions. [2021-10-13 04:20:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 04:20:47,583 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:47,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-13 04:20:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-13 04:20:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:20:47,972 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:47,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:48,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:48,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2021-10-13 04:20:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2021-10-13 04:20:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:20:48,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:48,828 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:48,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:48,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-10-13 04:20:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-10-13 04:20:48,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 04:20:48,949 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:48,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:48,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:48,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2021-10-13 04:20:48,987 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2021-10-13 04:20:48,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:20:48,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:48,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 04:20:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:49,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2021-10-13 04:20:49,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2021-10-13 04:20:49,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 04:20:49,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:49,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:49,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:20:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:49,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 32 states and 42 transitions. [2021-10-13 04:20:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 42 transitions. [2021-10-13 04:20:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 04:20:49,264 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:49,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 04:20:49,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2021-10-13 04:20:49,375 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-10-13 04:20:49,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 04:20:49,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:49,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 04:20:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2021-10-13 04:20:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2021-10-13 04:20:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 04:20:49,731 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-13 04:20:49,731 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 04:20:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 04:20:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-13 04:20:49,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-13 04:20:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2021-10-13 04:20:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2021-10-13 04:20:49,903 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 04:20:49,903 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2021-10-13 04:20:49,908 INFO L759 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2021-10-13 04:20:49,947 INFO L565 CodeCheckObserver]: Invariant with dag size 12 [2021-10-13 04:20:49,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.10 04:20:49 ImpRootNode [2021-10-13 04:20:49,957 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-13 04:20:49,958 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 04:20:49,958 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 04:20:49,958 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 04:20:49,959 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:20:46" (3/4) ... [2021-10-13 04:20:49,962 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 04:20:49,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 04:20:49,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 04:20:49,971 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-13 04:20:50,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/witness.graphml [2021-10-13 04:20:50,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 04:20:50,010 INFO L168 Benchmark]: Toolchain (without parser) took 3866.80 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 59.8 MB in the beginning and 55.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-13 04:20:50,011 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 92.3 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:20:50,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.97 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 59.7 MB in the beginning and 88.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:20:50,013 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 111.1 MB. Free memory was 88.5 MB in the beginning and 87.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 04:20:50,014 INFO L168 Benchmark]: Boogie Preprocessor took 17.80 ms. Allocated memory is still 111.1 MB. Free memory was 87.2 MB in the beginning and 86.4 MB in the end (delta: 823.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:20:50,015 INFO L168 Benchmark]: RCFGBuilder took 309.24 ms. Allocated memory is still 111.1 MB. Free memory was 86.4 MB in the beginning and 77.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 04:20:50,015 INFO L168 Benchmark]: CodeCheck took 3253.93 ms. Allocated memory is still 111.1 MB. Free memory was 77.6 MB in the beginning and 57.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-10-13 04:20:50,016 INFO L168 Benchmark]: Witness Printer took 50.63 ms. Allocated memory is still 111.1 MB. Free memory was 57.4 MB in the beginning and 55.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 04:20:50,020 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3169.3ms, OverallIterations: 13, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 0.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 0 SDtfs, 26070 SDslu, 0 SDs, 0 SdLazy, 129118 SolverSat, 32452 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2237.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 836 GetRequests, 713 SyntacticMatches, 41 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3023 ImplicationChecksByTransitivity, 2181.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 11.2ms SsaConstructionTime, 94.9ms SatisfiabilityAnalysisTime, 608.6ms InterpolantComputationTime, 97 NumberOfCodeBlocks, 97 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 28/35 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((K <= 2147483647 && 0 <= K + 2147483648) && x <= 2147483647) && 0 <= x + 2147483648 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 92.3 MB. Free memory is still 48.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 199.97 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 59.7 MB in the beginning and 88.5 MB in the end (delta: -28.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.82 ms. Allocated memory is still 111.1 MB. Free memory was 88.5 MB in the beginning and 87.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.80 ms. Allocated memory is still 111.1 MB. Free memory was 87.2 MB in the beginning and 86.4 MB in the end (delta: 823.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 309.24 ms. Allocated memory is still 111.1 MB. Free memory was 86.4 MB in the beginning and 77.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 3253.93 ms. Allocated memory is still 111.1 MB. Free memory was 77.6 MB in the beginning and 57.4 MB in the end (delta: 20.1 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * Witness Printer took 50.63 ms. Allocated memory is still 111.1 MB. Free memory was 57.4 MB in the beginning and 55.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-13 04:20:50,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25aed3ea-eda2-4ff8-b651-07ff43436e8f/bin/ukojak-fKGseLULKY/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...