./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8 --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 e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:36:00,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:36:00,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:36:00,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:36:00,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:36:00,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:36:00,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:36:00,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:36:00,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:36:00,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:36:00,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:36:00,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:36:00,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:36:00,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:36:00,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:36:00,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:36:00,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:36:00,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:36:00,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:36:00,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:36:00,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:36:00,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:36:00,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:36:00,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:36:00,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:36:00,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:36:00,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:36:00,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:36:00,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:36:00,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:36:00,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:36:00,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:36:00,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:36:00,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:36:00,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:36:00,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:36:00,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:36:00,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:36:00,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:36:00,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:36:00,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:36:00,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-07 01:36:00,875 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:36:00,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:36:00,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:36:00,876 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:36:00,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:36:00,877 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:36:00,877 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:36:00,877 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:36:00,877 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:36:00,878 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:36:00,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:36:00,879 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:36:00,879 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:36:00,879 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:36:00,880 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:36:00,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:36:00,880 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 01:36:00,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:36:00,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:36:00,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:36:00,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:36:00,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:36:00,882 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 01:36:00,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:36:00,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:36:00,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:36:00,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:36:00,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:36:00,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:00,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:36:00,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:36:00,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:36:00,884 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:36:00,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:36:00,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:36:00,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:36:00,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:36:00,885 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_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 [2021-11-07 01:36:01,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:36:01,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:36:01,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:36:01,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:36:01,190 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:36:01,191 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-11-07 01:36:01,260 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/data/8464c332e/51378763057a48b7ba04c1365a0f6616/FLAGdd510c250 [2021-11-07 01:36:01,824 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:36:01,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-11-07 01:36:01,838 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/data/8464c332e/51378763057a48b7ba04c1365a0f6616/FLAGdd510c250 [2021-11-07 01:36:02,142 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/data/8464c332e/51378763057a48b7ba04c1365a0f6616 [2021-11-07 01:36:02,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:36:02,148 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:36:02,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:02,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:36:02,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:36:02,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fae1c0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02, skipping insertion in model container [2021-11-07 01:36:02,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:36:02,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:36:02,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:02,517 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:36:02,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:36:02,584 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:36:02,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02 WrapperNode [2021-11-07 01:36:02,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:36:02,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:02,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:36:02,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:36:02,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:36:02,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:36:02,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:36:02,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:36:02,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,648 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:36:02,649 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:36:02,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:36:02,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:36:02,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (1/1) ... [2021-11-07 01:36:02,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:36:02,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:02,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:36:02,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:36:02,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:36:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:36:02,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:36:02,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:36:03,030 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:36:03,040 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 01:36:03,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:03 BoogieIcfgContainer [2021-11-07 01:36:03,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:36:03,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:36:03,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:36:03,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:36:03,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:36:02" (1/3) ... [2021-11-07 01:36:03,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9dc4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:03, skipping insertion in model container [2021-11-07 01:36:03,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:36:02" (2/3) ... [2021-11-07 01:36:03,069 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9dc4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:36:03, skipping insertion in model container [2021-11-07 01:36:03,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:03" (3/3) ... [2021-11-07 01:36:03,070 INFO L111 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2021-11-07 01:36:03,075 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:36:03,076 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-07 01:36:03,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9dc4b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:36:03, skipping insertion in model container [2021-11-07 01:36:03,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:36:03,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:36:03,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:36:03,092 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:36:03,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:36:03" (3/3) ... [2021-11-07 01:36:03,096 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 01:36:03,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-07 01:36:03,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 01:36:03,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 01:36:03,113 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 01:36:03,169 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:36:03,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:36:03,184 INFO L168 Benchmark]: Toolchain (without parser) took 1034.45 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 64.2 MB in the beginning and 87.0 MB in the end (delta: -22.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,185 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory was 74.4 MB in the beginning and 74.3 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:03,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.43 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 64.0 MB in the beginning and 102.6 MB in the end (delta: -38.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.42 ms. Allocated memory is still 132.1 MB. Free memory was 102.6 MB in the beginning and 100.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,188 INFO L168 Benchmark]: Boogie Preprocessor took 19.60 ms. Allocated memory is still 132.1 MB. Free memory was 100.9 MB in the beginning and 100.2 MB in the end (delta: 771.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:03,189 INFO L168 Benchmark]: RCFGBuilder took 394.00 ms. Allocated memory is still 132.1 MB. Free memory was 100.0 MB in the beginning and 90.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,190 INFO L168 Benchmark]: TraceAbstraction took 44.97 ms. Allocated memory is still 132.1 MB. Free memory was 90.0 MB in the beginning and 89.1 MB in the end (delta: 918.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,191 INFO L168 Benchmark]: Witness Printer took 90.04 ms. Allocated memory is still 132.1 MB. Free memory was 89.1 MB in the beginning and 87.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:03,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory was 74.4 MB in the beginning and 74.3 MB in the end (delta: 28.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.43 ms. Allocated memory was 100.7 MB in the beginning and 132.1 MB in the end (delta: 31.5 MB). Free memory was 64.0 MB in the beginning and 102.6 MB in the end (delta: -38.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.42 ms. Allocated memory is still 132.1 MB. Free memory was 102.6 MB in the beginning and 100.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.60 ms. Allocated memory is still 132.1 MB. Free memory was 100.9 MB in the beginning and 100.2 MB in the end (delta: 771.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 394.00 ms. Allocated memory is still 132.1 MB. Free memory was 100.0 MB in the beginning and 90.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 44.97 ms. Allocated memory is still 132.1 MB. Free memory was 90.0 MB in the beginning and 89.1 MB in the end (delta: 918.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 90.04 ms. Allocated memory is still 132.1 MB. Free memory was 89.1 MB in the beginning and 87.0 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! [2021-11-07 01:36:03,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b475eb9b-c089-4a8f-9622-18e1386dce82/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE