./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:53:01,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:53:01,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:53:01,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:53:01,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:53:01,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:53:01,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:53:01,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:53:01,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:53:01,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:53:01,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:53:01,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:53:01,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:53:01,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:53:01,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:53:01,813 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:53:01,814 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:53:01,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:53:01,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:53:01,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:53:01,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:53:01,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:53:01,827 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:53:01,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:53:01,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:53:01,839 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:53:01,839 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:53:01,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:53:01,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:53:01,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:53:01,844 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:53:01,845 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:53:01,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:53:01,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:53:01,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:53:01,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:53:01,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:53:01,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:53:01,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:53:01,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:53:01,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:53:01,854 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-25 17:53:01,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:53:01,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:53:01,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:53:01,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:53:01,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:53:01,900 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:53:01,900 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:53:01,901 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:53:01,901 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:53:01,901 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:53:01,902 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:53:01,903 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:53:01,903 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:53:01,903 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:53:01,903 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:53:01,904 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:53:01,904 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:53:01,904 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:53:01,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:53:01,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 17:53:01,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:53:01,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:53:01,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:53:01,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:53:01,906 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:53:01,907 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 17:53:01,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:53:01,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:53:01,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:53:01,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:53:01,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:53:01,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:53:01,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:53:01,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:53:01,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:53:01,911 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:53:01,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:53:01,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:53:01,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:53:01,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:53:01,912 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_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 [2021-11-25 17:53:02,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:53:02,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:53:02,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:53:02,268 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:53:02,269 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:53:02,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-11-25 17:53:02,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/data/fdbc96dc2/2b6b8316173d4c47ba1d3699009b56ee/FLAGefa7fe0b9 [2021-11-25 17:53:02,984 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:53:02,984 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-11-25 17:53:02,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/data/fdbc96dc2/2b6b8316173d4c47ba1d3699009b56ee/FLAGefa7fe0b9 [2021-11-25 17:53:03,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/data/fdbc96dc2/2b6b8316173d4c47ba1d3699009b56ee [2021-11-25 17:53:03,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:53:03,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:53:03,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:53:03,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:53:03,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:53:03,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3db4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03, skipping insertion in model container [2021-11-25 17:53:03,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:53:03,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:53:03,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:53:03,714 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:53:03,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:53:03,809 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:53:03,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03 WrapperNode [2021-11-25 17:53:03,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:53:03,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:53:03,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:53:03,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:53:03,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,831 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,849 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2021-11-25 17:53:03,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:53:03,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:53:03,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:53:03,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:53:03,860 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:53:03,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:53:03,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:53:03,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:53:03,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (1/1) ... [2021-11-25 17:53:03,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:53:03,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:53:03,911 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:53:03,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:53:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:53:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:53:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:53:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:53:04,080 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:53:04,082 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:53:04,155 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:53:04,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:53:04,183 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 17:53:04,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:04 BoogieIcfgContainer [2021-11-25 17:53:04,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:53:04,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:53:04,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:53:04,192 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:53:04,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:53:03" (1/3) ... [2021-11-25 17:53:04,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f54a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:04, skipping insertion in model container [2021-11-25 17:53:04,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:53:03" (2/3) ... [2021-11-25 17:53:04,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f54a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:04, skipping insertion in model container [2021-11-25 17:53:04,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:04" (3/3) ... [2021-11-25 17:53:04,196 INFO L111 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2021-11-25 17:53:04,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:53:04,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-25 17:53:04,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f54a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:53:04, skipping insertion in model container [2021-11-25 17:53:04,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 17:53:04,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 17:53:04,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 17:53:04,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 17:53:04,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:04" (3/3) ... [2021-11-25 17:53:04,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 17:53:04,222 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-25 17:53:04,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-25 17:53:04,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 17:53:04,223 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 17:53:04,268 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 17:53:04,268 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 17:53:04,271 INFO L158 Benchmark]: Toolchain (without parser) took 975.05ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 55.8MB in the end (delta: 10.7MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-25 17:53:04,271 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:53:04,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.38ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 70.1MB in the end (delta: -3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:53:04,274 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.59ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 17:53:04,275 INFO L158 Benchmark]: Boogie Preprocessor took 19.80ms. Allocated memory is still 100.7MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 951.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:53:04,276 INFO L158 Benchmark]: RCFGBuilder took 314.44ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 59.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 17:53:04,282 INFO L158 Benchmark]: TraceAbstraction took 17.05ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 57.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:53:04,283 INFO L158 Benchmark]: Witness Printer took 62.78ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 17:53:04,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 100.7MB. Free memory was 53.5MB in the beginning and 53.4MB in the end (delta: 49.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.38ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 70.1MB in the end (delta: -3.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.59ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.80ms. Allocated memory is still 100.7MB. Free memory was 68.6MB in the beginning and 67.6MB in the end (delta: 951.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.44ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 59.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 17.05ms. Allocated memory is still 100.7MB. Free memory was 58.9MB in the beginning and 57.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.78ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 55.8MB 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! [2021-11-25 17:53:04,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_542f2a3f-e7dc-4c13-8b7e-0d025d2e09cd/bin/utaipan-eEHZpOm5b7/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