./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG --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 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:07:06,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:07:06,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:07:06,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:07:06,084 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:07:06,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:07:06,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:07:06,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:07:06,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:07:06,103 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:07:06,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:07:06,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:07:06,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:07:06,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:07:06,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:07:06,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:07:06,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:07:06,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:07:06,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:07:06,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:07:06,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:07:06,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:07:06,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:07:06,139 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:07:06,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:07:06,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:07:06,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:07:06,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:07:06,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:07:06,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:07:06,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:07:06,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:07:06,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:07:06,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:07:06,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:07:06,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:07:06,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:07:06,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:07:06,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:07:06,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:07:06,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:07:06,156 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-29 05:07:06,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:07:06,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:07:06,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:07:06,198 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:07:06,199 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:07:06,199 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:07:06,199 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:07:06,199 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:07:06,199 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:07:06,200 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:07:06,200 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:07:06,200 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:07:06,200 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:07:06,200 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:07:06,201 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:07:06,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:07:06,201 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 05:07:06,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:07:06,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:07:06,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:07:06,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:07:06,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:07:06,202 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 05:07:06,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:07:06,203 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:07:06,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:07:06,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:07:06,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:07:06,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:07:06,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:07:06,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:07:06,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:07:06,204 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:07:06,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:07:06,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:07:06,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:07:06,205 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:07:06,205 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_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 [2021-10-29 05:07:06,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:07:06,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:07:06,477 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:07:06,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:07:06,479 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:07:06,480 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-10-29 05:07:06,554 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/data/e6111bdba/4f47c059893a4f5faed70a6cbb614115/FLAG4df1d68b7 [2021-10-29 05:07:07,150 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:07:07,150 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-10-29 05:07:07,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/data/e6111bdba/4f47c059893a4f5faed70a6cbb614115/FLAG4df1d68b7 [2021-10-29 05:07:07,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/data/e6111bdba/4f47c059893a4f5faed70a6cbb614115 [2021-10-29 05:07:07,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:07:07,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:07:07,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:07:07,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:07:07,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:07:07,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7407008c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07, skipping insertion in model container [2021-10-29 05:07:07,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:07:07,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:07:07,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:07:07,783 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:07:07,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:07:07,863 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:07:07,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07 WrapperNode [2021-10-29 05:07:07,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:07:07,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:07:07,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:07:07,866 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:07:07,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,887 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:07:07,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:07:07,911 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:07:07,911 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:07:07,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:07:07,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:07:07,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:07:07,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:07:07,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (1/1) ... [2021-10-29 05:07:07,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:07:07,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:07:07,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:07:07,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:07:07,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:07:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:07:08,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:07:08,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:07:08,186 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:07:08,186 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 05:07:08,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:07:08 BoogieIcfgContainer [2021-10-29 05:07:08,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:07:08,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:07:08,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:07:08,194 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:07:08,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:07:07" (1/3) ... [2021-10-29 05:07:08,195 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3510ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:07:08, skipping insertion in model container [2021-10-29 05:07:08,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:07:07" (2/3) ... [2021-10-29 05:07:08,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3510ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:07:08, skipping insertion in model container [2021-10-29 05:07:08,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:07:08" (3/3) ... [2021-10-29 05:07:08,198 INFO L111 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2021-10-29 05:07:08,203 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:07:08,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-29 05:07:08,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c3510ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:07:08, skipping insertion in model container [2021-10-29 05:07:08,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:07:08,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:07:08,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:07:08,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:07:08,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:07:08" (3/3) ... [2021-10-29 05:07:08,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:07:08,219 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 05:07:08,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:07:08,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 05:07:08,220 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:07:08,247 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:07:08,248 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:07:08,250 INFO L168 Benchmark]: Toolchain (without parser) took 795.07 ms. Allocated memory is still 121.6 MB. Free memory was 85.1 MB in the beginning and 76.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:08,251 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 121.6 MB. Free memory was 91.8 MB in the beginning and 91.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:07:08,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 409.03 ms. Allocated memory is still 121.6 MB. Free memory was 84.9 MB in the beginning and 92.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:08,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 121.6 MB. Free memory was 92.0 MB in the beginning and 90.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:08,253 INFO L168 Benchmark]: Boogie Preprocessor took 18.10 ms. Allocated memory is still 121.6 MB. Free memory was 90.5 MB in the beginning and 89.9 MB in the end (delta: 613.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:07:08,254 INFO L168 Benchmark]: RCFGBuilder took 259.67 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 80.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:08,255 INFO L168 Benchmark]: TraceAbstraction took 14.30 ms. Allocated memory is still 121.6 MB. Free memory was 79.4 MB in the beginning and 78.5 MB in the end (delta: 904.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:08,256 INFO L168 Benchmark]: Witness Printer took 42.14 ms. Allocated memory is still 121.6 MB. Free memory was 78.5 MB in the beginning and 76.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:07:08,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 121.6 MB. Free memory was 91.8 MB in the beginning and 91.8 MB in the end (delta: 28.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 409.03 ms. Allocated memory is still 121.6 MB. Free memory was 84.9 MB in the beginning and 92.0 MB in the end (delta: -7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.03 ms. Allocated memory is still 121.6 MB. Free memory was 92.0 MB in the beginning and 90.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.10 ms. Allocated memory is still 121.6 MB. Free memory was 90.5 MB in the beginning and 89.9 MB in the end (delta: 613.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 259.67 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 80.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14.30 ms. Allocated memory is still 121.6 MB. Free memory was 79.4 MB in the beginning and 78.5 MB in the end (delta: 904.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 42.14 ms. Allocated memory is still 121.6 MB. Free memory was 78.5 MB in the beginning and 76.4 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! [2021-10-29 05:07:08,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fffc2248-12e7-45bd-9f71-97a9c243e191/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...