./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_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 21:59:13,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 21:59:13,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 21:59:13,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 21:59:13,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 21:59:13,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 21:59:13,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 21:59:13,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 21:59:13,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 21:59:13,722 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 21:59:13,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 21:59:13,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 21:59:13,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 21:59:13,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 21:59:13,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 21:59:13,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 21:59:13,730 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 21:59:13,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 21:59:13,733 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 21:59:13,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 21:59:13,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 21:59:13,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 21:59:13,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 21:59:13,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 21:59:13,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 21:59:13,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 21:59:13,746 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 21:59:13,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 21:59:13,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 21:59:13,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 21:59:13,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 21:59:13,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 21:59:13,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 21:59:13,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 21:59:13,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 21:59:13,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 21:59:13,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 21:59:13,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 21:59:13,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 21:59:13,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 21:59:13,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 21:59:13,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-06 21:59:13,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 21:59:13,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 21:59:13,778 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 21:59:13,778 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 21:59:13,779 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 21:59:13,779 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 21:59:13,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 21:59:13,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 21:59:13,780 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 21:59:13,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 21:59:13,781 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 21:59:13,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 21:59:13,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 21:59:13,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 21:59:13,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 21:59:13,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 21:59:13,782 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-06 21:59:13,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 21:59:13,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 21:59:13,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 21:59:13,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 21:59:13,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 21:59:13,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 21:59:13,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:59:13,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 21:59:13,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 21:59:13,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 21:59:13,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 21:59:13,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 21:59:13,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 21:59:13,785 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 21:59:13,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e46599cdd85639b9d4a8eaf66215c6418707303896e184d9908fd70e8cc1cd60 [2021-12-06 21:59:13,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 21:59:14,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 21:59:14,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 21:59:14,004 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 21:59:14,005 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 21:59:14,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-12-06 21:59:14,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/data/2e82ab4cf/f855a0c08f084f449ab076b1563b1c11/FLAG3ccb881a3 [2021-12-06 21:59:14,473 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 21:59:14,473 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2021-12-06 21:59:14,481 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/data/2e82ab4cf/f855a0c08f084f449ab076b1563b1c11/FLAG3ccb881a3 [2021-12-06 21:59:14,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/data/2e82ab4cf/f855a0c08f084f449ab076b1563b1c11 [2021-12-06 21:59:14,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 21:59:14,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 21:59:14,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 21:59:14,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 21:59:14,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 21:59:14,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,499 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f766036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14, skipping insertion in model container [2021-12-06 21:59:14,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 21:59:14,527 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 21:59:14,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:59:14,719 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 21:59:14,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 21:59:14,769 INFO L208 MainTranslator]: Completed translation [2021-12-06 21:59:14,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14 WrapperNode [2021-12-06 21:59:14,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 21:59:14,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 21:59:14,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 21:59:14,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 21:59:14,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,805 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2021-12-06 21:59:14,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 21:59:14,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 21:59:14,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 21:59:14,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 21:59:14,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 21:59:14,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 21:59:14,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 21:59:14,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 21:59:14,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (1/1) ... [2021-12-06 21:59:14,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 21:59:14,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 21:59:14,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 21:59:14,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 21:59:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 21:59:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 21:59:14,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 21:59:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 21:59:14,950 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 21:59:14,951 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 21:59:14,987 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 21:59:14,991 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 21:59:14,991 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 21:59:14,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:59:14 BoogieIcfgContainer [2021-12-06 21:59:14,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 21:59:14,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 21:59:14,994 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 21:59:14,997 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 21:59:14,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 09:59:14" (1/3) ... [2021-12-06 21:59:14,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ca610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:59:14, skipping insertion in model container [2021-12-06 21:59:14,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:59:14" (2/3) ... [2021-12-06 21:59:14,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ca610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 09:59:14, skipping insertion in model container [2021-12-06 21:59:14,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:59:14" (3/3) ... [2021-12-06 21:59:15,000 INFO L111 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2021-12-06 21:59:15,005 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 21:59:15,006 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-06 21:59:15,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ca610c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 09:59:15, skipping insertion in model container [2021-12-06 21:59:15,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 21:59:15,008 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 21:59:15,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 21:59:15,008 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 21:59:15,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 09:59:14" (3/3) ... [2021-12-06 21:59:15,012 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 21:59:15,021 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-12-06 21:59:15,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 21:59:15,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 21:59:15,022 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 21:59:15,044 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 21:59:15,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 21:59:15,046 INFO L158 Benchmark]: Toolchain (without parser) took 550.75ms. Allocated memory is still 100.7MB. Free memory was 67.8MB in the beginning and 56.6MB in the end (delta: 11.2MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-06 21:59:15,046 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:59:15,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.93ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 70.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 21:59:15,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.46ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 69.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:59:15,048 INFO L158 Benchmark]: Boogie Preprocessor took 16.96ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 68.2MB in the end (delta: 933.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 21:59:15,049 INFO L158 Benchmark]: RCFGBuilder took 169.33ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 60.3MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 21:59:15,050 INFO L158 Benchmark]: TraceAbstraction took 13.28ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 58.9MB in the end (delta: 839.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:59:15,050 INFO L158 Benchmark]: Witness Printer took 36.00ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 56.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 21:59:15,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory was 57.2MB in the beginning and 57.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.93ms. Allocated memory is still 100.7MB. Free memory was 67.6MB in the beginning and 70.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.46ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 69.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.96ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 68.2MB in the end (delta: 933.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 169.33ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 60.3MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13.28ms. Allocated memory is still 100.7MB. Free memory was 59.8MB in the beginning and 58.9MB in the end (delta: 839.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 36.00ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 56.6MB in the end (delta: 2.0MB). 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! [2021-12-06 21:59:15,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5a31-73e4-4d4d-a611-d01189e894b9/bin/uautomizer-DrprNOufMa/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