./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 77098736f5169a5c2e75e37a12864a0b01bafe22ee148a27a29123419dc4c214 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 14:31:25,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 14:31:25,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 14:31:25,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 14:31:25,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 14:31:25,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 14:31:25,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 14:31:25,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 14:31:25,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 14:31:25,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 14:31:25,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 14:31:25,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 14:31:25,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 14:31:25,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 14:31:25,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 14:31:25,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 14:31:25,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 14:31:25,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 14:31:25,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 14:31:25,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 14:31:25,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 14:31:25,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 14:31:25,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 14:31:25,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 14:31:25,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 14:31:25,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 14:31:25,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 14:31:25,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 14:31:25,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 14:31:25,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 14:31:25,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 14:31:25,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 14:31:25,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 14:31:25,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 14:31:25,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 14:31:25,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 14:31:25,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 14:31:25,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 14:31:25,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 14:31:25,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 14:31:25,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 14:31:25,660 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-19 14:31:25,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 14:31:25,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 14:31:25,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 14:31:25,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 14:31:25,698 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 14:31:25,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 14:31:25,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 14:31:25,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 14:31:25,699 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 14:31:25,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 14:31:25,700 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 14:31:25,701 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 14:31:25,701 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 14:31:25,701 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-19 14:31:25,701 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 14:31:25,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-19 14:31:25,702 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-19 14:31:25,702 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 14:31:25,702 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 14:31:25,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-19 14:31:25,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 14:31:25,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 14:31:25,703 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 14:31:25,703 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 14:31:25,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 14:31:25,703 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 14:31:25,703 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-19 14:31:25,704 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 14:31:25,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 14:31:25,704 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-19 14:31:25,704 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 14:31:25,704 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77098736f5169a5c2e75e37a12864a0b01bafe22ee148a27a29123419dc4c214 [2021-12-19 14:31:25,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 14:31:25,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 14:31:25,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 14:31:25,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 14:31:25,978 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 14:31:25,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i [2021-12-19 14:31:26,052 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974d94ca9/9ccfb0246baf4b8b8b9b4fb71599c4e2/FLAGf791d5de1 [2021-12-19 14:31:26,466 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 14:31:26,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/ConversionToSignedInt.i [2021-12-19 14:31:26,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974d94ca9/9ccfb0246baf4b8b8b9b4fb71599c4e2/FLAGf791d5de1 [2021-12-19 14:31:26,494 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974d94ca9/9ccfb0246baf4b8b8b9b4fb71599c4e2 [2021-12-19 14:31:26,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 14:31:26,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 14:31:26,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 14:31:26,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 14:31:26,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 14:31:26,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cd1612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26, skipping insertion in model container [2021-12-19 14:31:26,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 14:31:26,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 14:31:26,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 14:31:26,783 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 14:31:26,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 14:31:26,855 INFO L208 MainTranslator]: Completed translation [2021-12-19 14:31:26,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26 WrapperNode [2021-12-19 14:31:26,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 14:31:26,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 14:31:26,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 14:31:26,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 14:31:26,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,899 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2021-12-19 14:31:26,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 14:31:26,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 14:31:26,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 14:31:26,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 14:31:26,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 14:31:26,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 14:31:26,914 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 14:31:26,914 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 14:31:26,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (1/1) ... [2021-12-19 14:31:26,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 14:31:26,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 14:31:26,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-19 14:31:26,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-19 14:31:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 14:31:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 14:31:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 14:31:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 14:31:27,068 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 14:31:27,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 14:31:27,152 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 14:31:27,156 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 14:31:27,171 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-19 14:31:27,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:31:27 BoogieIcfgContainer [2021-12-19 14:31:27,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 14:31:27,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-19 14:31:27,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-19 14:31:27,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-19 14:31:27,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 02:31:26" (1/3) ... [2021-12-19 14:31:27,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ccb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:31:27, skipping insertion in model container [2021-12-19 14:31:27,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 02:31:26" (2/3) ... [2021-12-19 14:31:27,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ccb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 02:31:27, skipping insertion in model container [2021-12-19 14:31:27,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:31:27" (3/3) ... [2021-12-19 14:31:27,180 INFO L111 eAbstractionObserver]: Analyzing ICFG ConversionToSignedInt.i [2021-12-19 14:31:27,184 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-19 14:31:27,184 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-19 14:31:27,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2ccb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 02:31:27, skipping insertion in model container [2021-12-19 14:31:27,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-19 14:31:27,186 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 14:31:27,186 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 14:31:27,187 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 14:31:27,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 02:31:27" (3/3) ... [2021-12-19 14:31:27,189 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-19 14:31:27,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-12-19 14:31:27,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-19 14:31:27,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-19 14:31:27,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-19 14:31:27,231 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 14:31:27,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 14:31:27,246 INFO L158 Benchmark]: Toolchain (without parser) took 748.08ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 58.6MB in the end (delta: -7.3MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-12-19 14:31:27,247 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 14:31:27,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.98ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.1MB in the beginning and 72.8MB in the end (delta: -21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 14:31:27,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.88ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 71.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 14:31:27,249 INFO L158 Benchmark]: Boogie Preprocessor took 12.48ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 70.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 14:31:27,249 INFO L158 Benchmark]: RCFGBuilder took 259.83ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 62.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-19 14:31:27,250 INFO L158 Benchmark]: TraceAbstraction took 10.87ms. Allocated memory is still 100.7MB. Free memory was 61.9MB in the beginning and 60.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 14:31:27,250 INFO L158 Benchmark]: Witness Printer took 58.02ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 58.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-19 14:31:27,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 54.3MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.98ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 51.1MB in the beginning and 72.8MB in the end (delta: -21.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.88ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 71.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.48ms. Allocated memory is still 100.7MB. Free memory was 71.3MB in the beginning and 70.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 259.83ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 62.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10.87ms. Allocated memory is still 100.7MB. Free memory was 61.9MB in the beginning and 60.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 58.02ms. Allocated memory is still 100.7MB. Free memory was 60.8MB in the beginning and 58.6MB in the end (delta: 2.2MB). 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! [2021-12-19 14:31:27,302 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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