./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB --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 32bit --witnessprinter.graph.data.programhash ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda --- 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-dbf71c6-m [2022-10-17 17:02:38,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:38,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:38,625 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:38,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:38,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:38,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:38,637 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:38,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:38,647 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:38,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:38,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:38,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:38,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:38,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:38,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:38,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:38,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:38,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:38,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:38,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:38,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:38,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:38,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:38,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:38,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:38,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:38,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:38,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:38,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:38,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:38,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:38,708 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:38,709 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:38,710 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:38,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:38,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:38,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:38,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:38,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:38,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:38,716 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 17:02:38,760 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:38,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:38,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:38,763 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:38,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:38,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:38,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:38,764 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:38,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:38,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:38,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:38,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:38,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:38,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:38,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:38,767 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:02:38,768 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:38,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:38,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:38,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:38,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:38,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:38,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:38,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:38,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:38,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:38,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:38,770 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:38,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:38,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:38,771 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_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbe73983438c23c42e2ed0d81896f3aad03ba3c52d7d8ba5ad74018d0035eda [2022-10-17 17:02:39,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:39,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:39,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:39,096 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:39,097 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:39,098 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2022-10-17 17:02:39,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/data/bc1a3f87f/7f321a16c7064a57803b4b87bef7abc0/FLAGf55ad629b [2022-10-17 17:02:39,663 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:39,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i [2022-10-17 17:02:39,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/data/bc1a3f87f/7f321a16c7064a57803b4b87bef7abc0/FLAGf55ad629b [2022-10-17 17:02:40,048 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/data/bc1a3f87f/7f321a16c7064a57803b4b87bef7abc0 [2022-10-17 17:02:40,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:40,052 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:40,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:40,054 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:40,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:40,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d65aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40, skipping insertion in model container [2022-10-17 17:02:40,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:40,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:40,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2022-10-17 17:02:40,310 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:40,320 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:40,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/sv-benchmarks/c/loop-zilu/benchmark05_conjunctive.i[873,886] [2022-10-17 17:02:40,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:40,359 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:40,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40 WrapperNode [2022-10-17 17:02:40,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:40,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:40,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:40,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:40,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,405 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2022-10-17 17:02:40,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:40,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:40,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:40,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:40,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,417 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,425 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:40,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:40,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:40,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:40,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:40,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:40,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:40,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:40,593 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:40,594 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:40,712 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:40,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:40,755 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:02:40,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:40 BoogieIcfgContainer [2022-10-17 17:02:40,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:40,764 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:40,764 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:40,777 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:40,777 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:40" (1/1) ... [2022-10-17 17:02:40,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:40,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:40,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 17:02:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 17:02:40,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:02:40,864 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:40,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:41,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2022-10-17 17:02:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2022-10-17 17:02:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:02:41,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-10-17 17:02:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-10-17 17:02:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:02:41,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 17:02:42,090 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 17:02:42,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:42,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2022-10-17 17:02:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2022-10-17 17:02:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:02:42,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,095 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:43,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2022-10-17 17:02:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2022-10-17 17:02:43,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:43,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,378 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 17:02:44,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2022-10-17 17:02:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 17:02:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:44,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:44,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2022-10-17 17:02:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2022-10-17 17:02:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:44,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:45,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-10-17 17:02:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-10-17 17:02:45,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:02:45,654 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-10-17 17:02:45,664 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-10-17 17:02:45,741 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-10-17 17:02:45,752 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:02:45,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:45 ImpRootNode [2022-10-17 17:02:45,753 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:45,754 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:45,754 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:45,754 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:45,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:40" (3/4) ... [2022-10-17 17:02:45,757 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:02:45,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-10-17 17:02:45,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:02:45,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:02:45,767 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:02:45,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:45,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:45,810 INFO L158 Benchmark]: Toolchain (without parser) took 5758.11ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 82.7MB in the beginning and 95.9MB in the end (delta: -13.2MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-10-17 17:02:45,811 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 113.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:45,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 87.3MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:45,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.36ms. Allocated memory is still 113.2MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:45,812 INFO L158 Benchmark]: Boogie Preprocessor took 20.49ms. Allocated memory is still 113.2MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:45,813 INFO L158 Benchmark]: RCFGBuilder took 334.23ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 73.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:02:45,814 INFO L158 Benchmark]: CodeCheck took 4989.15ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 73.9MB in the beginning and 98.0MB in the end (delta: -24.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-10-17 17:02:45,814 INFO L158 Benchmark]: Witness Printer took 55.65ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:45,818 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 144 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 233 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 907 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 233 mSolverCounterUnsat, 0 mSDtfsCounter, 907 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 654 GetRequests, 534 SyntacticMatches, 6 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5192 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 7/13 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: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: 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: 24]: Loop Invariant Derived loop invariant: ((((n <= 2147483647 && 0 <= x) && y <= 2147483646) && 0 <= y + 2147483648) || (n <= 2147483647 && !(x <= 2147483646))) || (((0 <= x && n + y <= 2147483647 + x) && !(y <= 2147483646)) && x <= 2147483646) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 113.2MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.22ms. Allocated memory is still 113.2MB. Free memory was 82.4MB in the beginning and 87.3MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.36ms. Allocated memory is still 113.2MB. Free memory was 87.3MB in the beginning and 86.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.49ms. Allocated memory is still 113.2MB. Free memory was 86.1MB in the beginning and 84.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.23ms. Allocated memory is still 113.2MB. Free memory was 84.8MB in the beginning and 73.9MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 4989.15ms. Allocated memory was 113.2MB in the beginning and 155.2MB in the end (delta: 41.9MB). Free memory was 73.9MB in the beginning and 98.0MB in the end (delta: -24.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Witness Printer took 55.65ms. Allocated memory is still 155.2MB. Free memory was 98.0MB in the beginning and 95.9MB 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! [2022-10-17 17:02:45,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6337f9a0-66a8-4d76-a313-0a60b76fc04b/bin/ukojak-92XMlrwhuB/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