./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg --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 f256d3c992d0432c53ebd28135ea0740504754f166830088ee9ee3a40836ca36 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:37:24,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:37:24,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:37:24,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:37:24,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:37:24,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:37:24,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:37:24,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:37:24,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:37:24,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:37:24,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:37:24,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:37:24,148 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:37:24,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:37:24,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:37:24,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:37:24,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:37:24,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:37:24,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:37:24,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:37:24,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:37:24,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:37:24,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:37:24,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:37:24,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:37:24,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:37:24,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:37:24,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:37:24,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:37:24,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:37:24,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:37:24,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:37:24,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:37:24,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:37:24,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:37:24,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:37:24,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:37:24,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:37:24,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:37:24,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:37:24,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:37:24,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:37:24,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:37:24,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:37:24,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:37:24,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:37:24,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:37:24,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:37:24,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:37:24,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:37:24,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:37:24,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:37:24,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:37:24,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:37:24,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:37:24,232 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:37:24,232 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:37:24,232 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:37:24,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:37:24,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:37:24,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:37:24,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:37:24,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:24,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:37:24,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:37:24,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:37:24,234 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:37:24,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:37:24,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:37:24,235 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_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f256d3c992d0432c53ebd28135ea0740504754f166830088ee9ee3a40836ca36 [2022-11-21 22:37:24,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:37:24,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:37:24,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:37:24,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:37:24,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:37:24,606 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/termination-restricted-15/GCD4.c [2022-11-21 22:37:27,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:37:27,985 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:37:27,986 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/sv-benchmarks/c/termination-restricted-15/GCD4.c [2022-11-21 22:37:27,991 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/data/ac448991b/9bcf1c596bce4d68946bfd9a52b23cf8/FLAGecb67803c [2022-11-21 22:37:28,006 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/data/ac448991b/9bcf1c596bce4d68946bfd9a52b23cf8 [2022-11-21 22:37:28,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:37:28,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:37:28,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:28,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:37:28,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:37:28,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7db4990e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28, skipping insertion in model container [2022-11-21 22:37:28,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:37:28,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:37:28,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:28,178 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:37:28,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:37:28,200 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:37:28,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28 WrapperNode [2022-11-21 22:37:28,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:37:28,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:28,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:37:28,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:37:28,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,232 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2022-11-21 22:37:28,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:37:28,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:37:28,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:37:28,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:37:28,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,250 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:37:28,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:37:28,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:37:28,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:37:28,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:37:28,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:37:28,281 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:37:28,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:37:28,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:37:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:37:28,396 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:37:28,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:37:28,496 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:37:28,523 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:37:28,523 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:37:28,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:28 BoogieIcfgContainer [2022-11-21 22:37:28,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:37:28,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:37:28,527 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:37:28,539 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:37:28,539 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:28" (1/1) ... [2022-11-21 22:37:28,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:37:28,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-11-21 22:37:28,640 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-11-21 22:37:28,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 22:37:28,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:28,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:28,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2022-11-21 22:37:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2022-11-21 22:37:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 22:37:28,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:28,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:29,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2022-11-21 22:37:29,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2022-11-21 22:37:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:37:29,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:29,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 12 states and 24 transitions. [2022-11-21 22:37:29,630 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 24 transitions. [2022-11-21 22:37:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:37:29,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:29,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:29,760 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:30,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 14 states and 30 transitions. [2022-11-21 22:37:30,276 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 30 transitions. [2022-11-21 22:37:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 22:37:30,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:30,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 16 states and 38 transitions. [2022-11-21 22:37:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 38 transitions. [2022-11-21 22:37:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 22:37:31,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 22:37:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:32,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 20 states and 49 transitions. [2022-11-21 22:37:32,428 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 49 transitions. [2022-11-21 22:37:32,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 22:37:32,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:37:32,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:37:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:37:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 22:37:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:37:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2022-11-21 22:37:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2022-11-21 22:37:32,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:37:32,950 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-21 22:37:32,959 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2022-11-21 22:37:32,985 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2022-11-21 22:37:32,996 INFO L560 CodeCheckObserver]: Invariant with dag size 6 [2022-11-21 22:37:32,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:37:32 ImpRootNode [2022-11-21 22:37:32,997 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:37:32,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:37:32,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:37:32,998 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:37:32,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:37:28" (3/4) ... [2022-11-21 22:37:33,002 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:37:33,011 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 22:37:33,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:37:33,012 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 22:37:33,046 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:37:33,047 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:37:33,048 INFO L158 Benchmark]: Toolchain (without parser) took 5038.69ms. Allocated memory is still 186.6MB. Free memory was 143.1MB in the beginning and 134.5MB in the end (delta: 8.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-21 22:37:33,048 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:33,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.03ms. Allocated memory is still 186.6MB. Free memory was 142.5MB in the beginning and 133.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:37:33,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.48ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 132.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:33,050 INFO L158 Benchmark]: Boogie Preprocessor took 18.45ms. Allocated memory is still 186.6MB. Free memory was 132.0MB in the beginning and 131.2MB in the end (delta: 841.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:33,051 INFO L158 Benchmark]: RCFGBuilder took 273.74ms. Allocated memory is still 186.6MB. Free memory was 131.2MB in the beginning and 121.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 22:37:33,051 INFO L158 Benchmark]: CodeCheck took 4470.19ms. Allocated memory is still 186.6MB. Free memory was 121.3MB in the beginning and 136.6MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:37:33,052 INFO L158 Benchmark]: Witness Printer took 49.23ms. Allocated memory is still 186.6MB. Free memory was 136.6MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:37:33,054 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, 8 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 113 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 619 IncrementalHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 0 mSDtfsCounter, 619 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 628 GetRequests, 536 SyntacticMatches, 10 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2276 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 196 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 13/25 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: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 17]: Loop Invariant Derived loop invariant: ((!(y <= 0) && xtmp + tmp <= 2147483647 + y) && tmp <= 2147483647) && y <= tmp - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: x <= 2147483647 && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 119.5MB. Free memory was 86.9MB in the beginning and 86.9MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 191.03ms. Allocated memory is still 186.6MB. Free memory was 142.5MB in the beginning and 133.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.48ms. Allocated memory is still 186.6MB. Free memory was 133.9MB in the beginning and 132.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.45ms. Allocated memory is still 186.6MB. Free memory was 132.0MB in the beginning and 131.2MB in the end (delta: 841.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.74ms. Allocated memory is still 186.6MB. Free memory was 131.2MB in the beginning and 121.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4470.19ms. Allocated memory is still 186.6MB. Free memory was 121.3MB in the beginning and 136.6MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.23ms. Allocated memory is still 186.6MB. Free memory was 136.6MB in the beginning and 134.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:37:33,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1cc852-f8cf-4da7-a3a9-64c16f8e85ad/bin/ukojak-jW3SillKbg/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