./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V --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-aef121e [2021-11-23 02:47:38,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:47:38,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:47:39,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:47:39,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:47:39,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:47:39,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:47:39,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:47:39,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:47:39,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:47:39,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:47:39,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:47:39,042 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:47:39,044 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:47:39,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:47:39,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:47:39,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:47:39,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:47:39,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:47:39,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:47:39,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:47:39,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:47:39,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:47:39,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:47:39,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:47:39,074 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:47:39,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:47:39,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:47:39,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:47:39,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:47:39,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:47:39,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:47:39,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:47:39,088 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:47:39,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:47:39,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:47:39,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:47:39,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:47:39,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:47:39,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:47:39,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:47:39,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-23 02:47:39,156 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:47:39,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:47:39,158 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:47:39,158 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:47:39,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:47:39,167 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:47:39,167 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:47:39,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:47:39,168 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:47:39,168 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:47:39,169 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:47:39,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:47:39,169 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:47:39,169 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:47:39,169 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:47:39,170 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:47:39,170 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:47:39,170 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:47:39,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:47:39,172 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:47:39,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:47:39,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:47:39,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:47:39,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:47:39,173 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:47:39,173 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 02:47:39,173 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:47:39,174 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:47:39,174 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:47:39,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:47:39,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:47:39,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:47:39,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:47:39,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:47:39,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:47:39,176 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:47:39,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:47:39,176 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:47:39,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:47:39,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:47:39,178 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_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 [2021-11-23 02:47:39,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:47:39,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:47:39,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:47:39,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:47:39,521 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:47:39,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-11-23 02:47:39,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/data/22165fd80/6229e95a350b48669fa4eb8911491ba9/FLAG2e350cb7e [2021-11-23 02:47:40,212 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:47:40,212 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-11-23 02:47:40,221 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/data/22165fd80/6229e95a350b48669fa4eb8911491ba9/FLAG2e350cb7e [2021-11-23 02:47:40,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/data/22165fd80/6229e95a350b48669fa4eb8911491ba9 [2021-11-23 02:47:40,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:47:40,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:47:40,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:47:40,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:47:40,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:47:40,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:40" (1/1) ... [2021-11-23 02:47:40,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6582c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:40, skipping insertion in model container [2021-11-23 02:47:40,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:47:40" (1/1) ... [2021-11-23 02:47:40,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:47:40,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:47:40,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:47:40,883 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:47:40,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:47:41,002 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:47:41,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41 WrapperNode [2021-11-23 02:47:41,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:47:41,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:47:41,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:47:41,004 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:47:41,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,044 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2021-11-23 02:47:41,045 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:47:41,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:47:41,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:47:41,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:47:41,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:47:41,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:47:41,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:47:41,075 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:47:41,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (1/1) ... [2021-11-23 02:47:41,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:47:41,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:47:41,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:47:41,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:47:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:47:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:47:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:47:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:47:41,308 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:47:41,327 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:47:41,396 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:47:41,434 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:47:41,434 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:47:41,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:41 BoogieIcfgContainer [2021-11-23 02:47:41,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:47:41,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:47:41,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:47:41,451 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:47:41,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:47:40" (1/3) ... [2021-11-23 02:47:41,453 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:41, skipping insertion in model container [2021-11-23 02:47:41,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:47:41" (2/3) ... [2021-11-23 02:47:41,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:47:41, skipping insertion in model container [2021-11-23 02:47:41,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:41" (3/3) ... [2021-11-23 02:47:41,466 INFO L111 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2021-11-23 02:47:41,472 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:47:41,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 02:47:41,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f6f395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:47:41, skipping insertion in model container [2021-11-23 02:47:41,474 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:47:41,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:47:41,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:47:41,475 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:47:41,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:47:41" (3/3) ... [2021-11-23 02:47:41,480 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 02:47:41,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 02:47:41,497 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-23 02:47:41,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-23 02:47:41,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 02:47:41,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 02:47:41,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:47:41,549 INFO L158 Benchmark]: Toolchain (without parser) took 1047.36ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 65.2MB in the end (delta: 10.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 02:47:41,549 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:47:41,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.54ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 79.9MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:47:41,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.25ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:47:41,553 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 77.3MB in the end (delta: 897.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:47:41,554 INFO L158 Benchmark]: RCFGBuilder took 366.62ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 68.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 02:47:41,564 INFO L158 Benchmark]: TraceAbstraction took 34.41ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 67.6MB in the end (delta: 892.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:47:41,565 INFO L158 Benchmark]: Witness Printer took 70.65ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 65.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:47:41,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 109.1MB. Free memory is still 61.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.54ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 79.9MB in the end (delta: -4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.25ms. Allocated memory is still 109.1MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.61ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 77.3MB in the end (delta: 897.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.62ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 68.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 34.41ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 67.6MB in the end (delta: 892.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.65ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 65.2MB in the end (delta: 2.4MB). 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! [2021-11-23 02:47:41,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08e77cce-c989-4ec1-952d-fe56f5bc2826/bin/utaipan-EQgc7hIp5V/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