./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/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_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/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 64bit --witnessprinter.graph.data.programhash 021e4f8940d15c94127389d77cde2abb11b72d35c826acc8caed8d604de7e2d1 --- 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 17:03:13,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:03:13,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:03:13,569 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:03:13,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:03:13,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:03:13,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:03:13,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:03:13,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:03:13,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:03:13,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:03:13,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:03:13,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:03:13,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:03:13,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:03:13,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:03:13,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:03:13,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:03:13,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:03:13,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:03:13,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:03:13,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:03:13,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:03:13,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:03:13,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:03:13,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:03:13,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:03:13,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:03:13,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:03:13,642 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:03:13,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:03:13,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:03:13,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:03:13,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:03:13,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:03:13,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:03:13,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:03:13,652 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:03:13,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:03:13,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:03:13,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:03:13,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 17:03:13,701 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:03:13,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:03:13,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:03:13,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:03:13,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:03:13,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:03:13,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:03:13,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:03:13,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:03:13,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:03:13,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:03:13,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:03:13,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:03:13,709 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:03:13,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:03:13,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:03:13,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:03:13,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:03:13,710 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:03:13,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:03:13,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:13,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:03:13,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:03:13,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:03:13,712 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:03:13,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:03:13,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:03:13,713 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_1ab745f5-0fd5-4921-b163-f95e20ed006f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 021e4f8940d15c94127389d77cde2abb11b72d35c826acc8caed8d604de7e2d1 [2022-10-17 17:03:14,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:03:14,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:03:14,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:03:14,060 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:03:14,061 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:03:14,063 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-2.i [2022-10-17 17:03:14,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/data/8bc816492/64be03e64c8d460493cd13f1a6119a58/FLAGe90e249a6 [2022-10-17 17:03:14,694 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:03:14,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-2.i [2022-10-17 17:03:14,715 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/data/8bc816492/64be03e64c8d460493cd13f1a6119a58/FLAGe90e249a6 [2022-10-17 17:03:15,020 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/data/8bc816492/64be03e64c8d460493cd13f1a6119a58 [2022-10-17 17:03:15,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:03:15,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:03:15,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:15,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:03:15,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:03:15,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6941ecdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15, skipping insertion in model container [2022-10-17 17:03:15,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:03:15,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:03:15,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:15,398 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:03:15,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:03:15,459 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:03:15,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15 WrapperNode [2022-10-17 17:03:15,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:03:15,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:15,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:03:15,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:03:15,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,500 INFO L138 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2022-10-17 17:03:15,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:03:15,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:03:15,501 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:03:15,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:03:15,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,513 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:03:15,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:03:15,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:03:15,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:03:15,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:03:15,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:03:15,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:03:15,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:03:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:03:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:03:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:03:15,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:03:15,686 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:03:15,688 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:03:15,765 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:03:15,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:03:15,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:03:15,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:15 BoogieIcfgContainer [2022-10-17 17:03:15,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:03:15,796 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:03:15,796 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:03:15,805 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:03:15,805 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:15" (1/1) ... [2022-10-17 17:03:15,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:03:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:15,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2022-10-17 17:03:15,875 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2022-10-17 17:03:15,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:03:15,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:15,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:15,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:16,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:03:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:03:16,102 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 17:03:16,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:03:16 ImpRootNode [2022-10-17 17:03:16,138 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:03:16,139 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:03:16,139 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:03:16,139 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:03:16,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:03:15" (3/4) ... [2022-10-17 17:03:16,142 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:03:16,197 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:03:16,197 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:03:16,198 INFO L158 Benchmark]: Toolchain (without parser) took 1173.86ms. Allocated memory is still 132.1MB. Free memory was 91.0MB in the beginning and 78.6MB in the end (delta: 12.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2022-10-17 17:03:16,199 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:03:16,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.69ms. Allocated memory is still 132.1MB. Free memory was 90.7MB in the beginning and 101.7MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:03:16,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.13ms. Allocated memory is still 132.1MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:16,201 INFO L158 Benchmark]: Boogie Preprocessor took 20.27ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 99.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:03:16,202 INFO L158 Benchmark]: RCFGBuilder took 273.11ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 90.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:03:16,203 INFO L158 Benchmark]: CodeCheck took 342.15ms. Allocated memory is still 132.1MB. Free memory was 90.1MB in the beginning and 80.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:03:16,204 INFO L158 Benchmark]: Witness Printer took 58.55ms. Allocated memory is still 132.1MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:03:16,209 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, 4 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 332]: integer overflow possible integer overflow possible We found a FailurePath: [L332] 65536 * 32768 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 108.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.69ms. Allocated memory is still 132.1MB. Free memory was 90.7MB in the beginning and 101.7MB in the end (delta: -11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.13ms. Allocated memory is still 132.1MB. Free memory was 101.7MB in the beginning and 100.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.27ms. Allocated memory is still 132.1MB. Free memory was 100.1MB in the beginning and 99.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.11ms. Allocated memory is still 132.1MB. Free memory was 99.0MB in the beginning and 90.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 342.15ms. Allocated memory is still 132.1MB. Free memory was 90.1MB in the beginning and 80.2MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 58.55ms. Allocated memory is still 132.1MB. Free memory was 80.2MB in the beginning and 78.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:03:16,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ab745f5-0fd5-4921-b163-f95e20ed006f/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)