./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 15:01:17,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 15:01:17,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 15:01:17,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 15:01:17,576 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 15:01:17,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 15:01:17,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 15:01:17,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 15:01:17,591 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 15:01:17,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 15:01:17,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 15:01:17,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 15:01:17,600 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 15:01:17,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 15:01:17,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 15:01:17,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 15:01:17,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 15:01:17,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 15:01:17,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 15:01:17,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 15:01:17,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 15:01:17,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 15:01:17,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 15:01:17,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 15:01:17,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 15:01:17,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 15:01:17,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 15:01:17,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 15:01:17,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 15:01:17,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 15:01:17,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 15:01:17,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 15:01:17,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 15:01:17,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 15:01:17,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 15:01:17,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 15:01:17,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 15:01:17,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 15:01:17,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 15:01:17,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 15:01:17,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 15:01:17,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-19 15:01:17,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 15:01:17,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 15:01:17,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 15:01:17,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 15:01:17,697 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 15:01:17,698 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 15:01:17,698 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 15:01:17,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 15:01:17,704 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 15:01:17,705 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 15:01:17,706 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 15:01:17,707 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 15:01:17,707 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 15:01:17,707 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 15:01:17,707 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 15:01:17,708 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 15:01:17,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 15:01:17,709 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 15:01:17,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 15:01:17,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 15:01:17,710 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 15:01:17,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 15:01:17,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 15:01:17,710 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 15:01:17,711 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 15:01:17,711 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 15:01:17,712 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 15:01:17,712 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 15:01:17,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 15:01:17,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:17,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 15:01:17,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 15:01:17,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 15:01:17,716 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 15:01:17,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 15:01:17,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 15:01:17,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 15:01:17,717 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 15:01:17,717 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efdefce34cf14810e5ec1d77e1f554e2bed3f5bebae91d0e56823b49df9d7d1a [2021-11-19 15:01:17,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 15:01:18,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 15:01:18,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 15:01:18,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 15:01:18,034 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 15:01:18,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-11-19 15:01:18,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/data/192f6b1d0/2b484b5dac2c4f828a85a4d6fb324c0e/FLAG1b25cbc27 [2021-11-19 15:01:18,682 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 15:01:18,683 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/sv-benchmarks/c/signedintegeroverflow-regression/NoNegativeIntegerConstant.i [2021-11-19 15:01:18,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/data/192f6b1d0/2b484b5dac2c4f828a85a4d6fb324c0e/FLAG1b25cbc27 [2021-11-19 15:01:18,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/data/192f6b1d0/2b484b5dac2c4f828a85a4d6fb324c0e [2021-11-19 15:01:18,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 15:01:18,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 15:01:18,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:18,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 15:01:18,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 15:01:18,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:18" (1/1) ... [2021-11-19 15:01:18,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ad13fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:18, skipping insertion in model container [2021-11-19 15:01:18,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:18" (1/1) ... [2021-11-19 15:01:19,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 15:01:19,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 15:01:19,331 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:19,343 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 15:01:19,399 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 15:01:19,448 INFO L208 MainTranslator]: Completed translation [2021-11-19 15:01:19,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19 WrapperNode [2021-11-19 15:01:19,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 15:01:19,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 15:01:19,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 15:01:19,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 15:01:19,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,505 INFO L137 Inliner]: procedures = 109, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2021-11-19 15:01:19,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 15:01:19,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 15:01:19,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 15:01:19,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 15:01:19,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 15:01:19,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 15:01:19,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 15:01:19,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 15:01:19,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (1/1) ... [2021-11-19 15:01:19,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 15:01:19,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 15:01:19,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 15:01:19,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 15:01:19,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 15:01:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 15:01:19,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 15:01:19,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 15:01:19,703 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 15:01:19,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 15:01:19,778 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 15:01:19,805 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 15:01:19,805 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 15:01:19,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:19 BoogieIcfgContainer [2021-11-19 15:01:19,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 15:01:19,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 15:01:19,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 15:01:19,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 15:01:19,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 03:01:18" (1/3) ... [2021-11-19 15:01:19,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d433ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:19, skipping insertion in model container [2021-11-19 15:01:19,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:19" (2/3) ... [2021-11-19 15:01:19,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d433ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 03:01:19, skipping insertion in model container [2021-11-19 15:01:19,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:19" (3/3) ... [2021-11-19 15:01:19,825 INFO L111 eAbstractionObserver]: Analyzing ICFG NoNegativeIntegerConstant.i [2021-11-19 15:01:19,831 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 15:01:19,831 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 15:01:19,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d433ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 03:01:19, skipping insertion in model container [2021-11-19 15:01:19,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 15:01:19,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 15:01:19,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 15:01:19,835 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 15:01:19,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:19" (3/3) ... [2021-11-19 15:01:19,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 15:01:19,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-19 15:01:19,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-19 15:01:19,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 15:01:19,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 15:01:19,894 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 15:01:19,894 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 15:01:19,897 INFO L158 Benchmark]: Toolchain (without parser) took 907.86ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 61.2MB in the beginning and 78.2MB in the end (delta: -17.1MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-19 15:01:19,898 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:01:19,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.85ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.9MB in the beginning and 92.9MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:01:19,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.65ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:01:19,901 INFO L158 Benchmark]: Boogie Preprocessor took 29.37ms. Allocated memory is still 121.6MB. Free memory was 90.8MB in the beginning and 90.1MB in the end (delta: 698.9kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 15:01:19,906 INFO L158 Benchmark]: RCFGBuilder took 271.48ms. Allocated memory is still 121.6MB. Free memory was 90.1MB in the beginning and 81.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 15:01:19,908 INFO L158 Benchmark]: TraceAbstraction took 23.58ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 677.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 15:01:19,909 INFO L158 Benchmark]: Witness Printer took 60.07ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 15:01:19,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 68.0MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.85ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 60.9MB in the beginning and 92.9MB in the end (delta: -32.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.65ms. Allocated memory is still 121.6MB. Free memory was 92.9MB in the beginning and 90.8MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.37ms. Allocated memory is still 121.6MB. Free memory was 90.8MB in the beginning and 90.1MB in the end (delta: 698.9kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 271.48ms. Allocated memory is still 121.6MB. Free memory was 90.1MB in the beginning and 81.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 23.58ms. Allocated memory is still 121.6MB. Free memory was 81.0MB in the beginning and 80.4MB in the end (delta: 677.2kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 60.07ms. Allocated memory is still 121.6MB. Free memory was 80.4MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-19 15:01:19,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b2a411-a92c-40f4-99bf-6131a005e885/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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