./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs --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 9053a59183bda48b00ea35c6720e8fb929c8af09 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:37:26,256 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:37:26,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:37:26,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:37:26,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:37:26,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:37:26,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:37:26,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:37:26,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:37:26,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:37:26,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:37:26,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:37:26,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:37:26,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:37:26,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:37:26,331 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:37:26,332 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:37:26,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:37:26,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:37:26,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:37:26,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:37:26,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:37:26,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:37:26,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:37:26,352 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:37:26,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:37:26,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:37:26,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:37:26,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:37:26,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:37:26,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:37:26,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:37:26,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:37:26,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:37:26,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:37:26,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:37:26,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:37:26,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:37:26,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:37:26,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:37:26,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:37:26,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-16 02:37:26,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:37:26,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:37:26,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:37:26,400 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:37:26,400 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:37:26,400 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:37:26,401 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:37:26,401 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:37:26,401 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:37:26,402 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:37:26,402 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:37:26,402 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:37:26,403 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:37:26,403 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:37:26,403 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:37:26,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:37:26,405 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 02:37:26,405 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:37:26,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:37:26,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:37:26,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:37:26,406 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:37:26,406 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-16 02:37:26,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:37:26,407 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:37:26,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:37:26,408 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:37:26,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:37:26,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:37:26,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:37:26,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:37:26,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:37:26,410 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:37:26,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:37:26,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:37:26,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:37:26,411 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:37:26,411 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_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9053a59183bda48b00ea35c6720e8fb929c8af09 [2021-10-16 02:37:26,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:37:26,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:37:26,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:37:26,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:37:26,754 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:37:26,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i [2021-10-16 02:37:26,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/data/959280364/2b45a758b3a64f60a6cb52ec44d0c440/FLAGb81ab6282 [2021-10-16 02:37:27,446 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:37:27,451 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i [2021-10-16 02:37:27,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/data/959280364/2b45a758b3a64f60a6cb52ec44d0c440/FLAGb81ab6282 [2021-10-16 02:37:27,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/data/959280364/2b45a758b3a64f60a6cb52ec44d0c440 [2021-10-16 02:37:27,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:37:27,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:37:27,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:37:27,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:37:27,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:37:27,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:27" (1/1) ... [2021-10-16 02:37:27,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@782fbe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:27, skipping insertion in model container [2021-10-16 02:37:27,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:37:27" (1/1) ... [2021-10-16 02:37:27,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:37:27,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:37:28,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:37:28,256 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:37:28,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:37:28,355 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:37:28,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28 WrapperNode [2021-10-16 02:37:28,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:37:28,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:37:28,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:37:28,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:37:28,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:37:28,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:37:28,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:37:28,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:37:28,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:37:28,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:37:28,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:37:28,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:37:28,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (1/1) ... [2021-10-16 02:37:28,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:37:28,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:37:28,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:37:28,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:37:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:37:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:37:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:37:28,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:37:28,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:37:28,778 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-16 02:37:28,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:28 BoogieIcfgContainer [2021-10-16 02:37:28,795 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:37:28,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:37:28,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:37:28,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:37:28,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:37:27" (1/3) ... [2021-10-16 02:37:28,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11232eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:28, skipping insertion in model container [2021-10-16 02:37:28,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:37:28" (2/3) ... [2021-10-16 02:37:28,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11232eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:37:28, skipping insertion in model container [2021-10-16 02:37:28,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:28" (3/3) ... [2021-10-16 02:37:28,805 INFO L111 eAbstractionObserver]: Analyzing ICFG ConversionToSignedInt.i [2021-10-16 02:37:28,812 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:37:28,812 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-16 02:37:28,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11232eed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:37:28, skipping insertion in model container [2021-10-16 02:37:28,814 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:37:28,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:37:28,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:37:28,816 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:37:28,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:37:28" (3/3) ... [2021-10-16 02:37:28,820 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:37:28,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-16 02:37:28,832 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:37:28,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:37:28,833 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:37:28,890 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:37:28,890 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:37:28,893 INFO L168 Benchmark]: Toolchain (without parser) took 1138.08 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 69.5 MB in the beginning and 97.4 MB in the end (delta: -27.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,894 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:37:28,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.27 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 69.2 MB in the beginning and 113.0 MB in the end (delta: -43.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,896 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.53 ms. Allocated memory is still 140.5 MB. Free memory was 112.7 MB in the beginning and 110.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,897 INFO L168 Benchmark]: Boogie Preprocessor took 41.29 ms. Allocated memory is still 140.5 MB. Free memory was 110.8 MB in the beginning and 110.0 MB in the end (delta: 859.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,898 INFO L168 Benchmark]: RCFGBuilder took 331.45 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 101.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,899 INFO L168 Benchmark]: TraceAbstraction took 17.54 ms. Allocated memory is still 140.5 MB. Free memory was 100.4 MB in the beginning and 99.5 MB in the end (delta: 905.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,900 INFO L168 Benchmark]: Witness Printer took 75.29 ms. Allocated memory is still 140.5 MB. Free memory was 99.5 MB in the beginning and 97.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:37:28,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 98.6 MB. Free memory is still 51.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 598.27 ms. Allocated memory was 98.6 MB in the beginning and 140.5 MB in the end (delta: 41.9 MB). Free memory was 69.2 MB in the beginning and 113.0 MB in the end (delta: -43.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.53 ms. Allocated memory is still 140.5 MB. Free memory was 112.7 MB in the beginning and 110.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.29 ms. Allocated memory is still 140.5 MB. Free memory was 110.8 MB in the beginning and 110.0 MB in the end (delta: 859.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 331.45 ms. Allocated memory is still 140.5 MB. Free memory was 110.0 MB in the beginning and 101.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 17.54 ms. Allocated memory is still 140.5 MB. Free memory was 100.4 MB in the beginning and 99.5 MB in the end (delta: 905.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 75.29 ms. Allocated memory is still 140.5 MB. Free memory was 99.5 MB in the beginning and 97.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-10-16 02:37:29,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8c0abbb-7cfb-4fcf-9cca-5de368921109/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...