./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-nla/fermat2-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 574ddb4e 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/termination-nla/fermat2-both-nt.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-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 32bit --witnessprinter.graph.data.programhash 760a0b2b1b245d5ac1be42e6ec5571f53ca3866e6882e51b761d842230d5c7d0 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-17 09:30:20,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:30:20,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:30:20,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:30:20,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:30:20,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:30:20,504 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:30:20,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:30:20,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:30:20,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:30:20,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:30:20,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:30:20,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:30:20,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:30:20,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:30:20,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:30:20,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:30:20,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:30:20,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:30:20,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:30:20,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:30:20,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:30:20,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:30:20,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:30:20,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:30:20,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:30:20,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:30:20,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:30:20,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:30:20,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:30:20,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:30:20,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:30:20,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:30:20,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:30:20,540 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:30:20,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:30:20,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:30:20,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:30:20,541 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:30:20,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:30:20,542 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:30:20,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-02-17 09:30:20,569 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:30:20,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:30:20,569 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:30:20,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:30:20,570 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 09:30:20,570 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 09:30:20,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:30:20,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:30:20,571 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:30:20,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:30:20,572 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-17 09:30:20,572 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:30:20,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:30:20,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-17 09:30:20,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-17 09:30:20,574 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:30:20,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-17 09:30:20,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:30:20,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:30:20,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 09:30:20,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:30:20,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:30:20,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 09:30:20,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-17 09:30:20,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 09:30:20,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 09:30:20,575 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 09:30:20,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-17 09:30:20,576 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 09:30:20,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 09:30:20,576 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 09:30:20,576 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 760a0b2b1b245d5ac1be42e6ec5571f53ca3866e6882e51b761d842230d5c7d0 [2023-02-17 09:30:20,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:30:20,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:30:20,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:30:20,810 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:30:20,810 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:30:20,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-nla/fermat2-both-nt.c [2023-02-17 09:30:21,726 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:30:21,914 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:30:21,914 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-nla/fermat2-both-nt.c [2023-02-17 09:30:21,919 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29959ce33/92a5ec15fc5b4df2865abb1afa8c5c98/FLAGc4c0a503c [2023-02-17 09:30:22,368 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29959ce33/92a5ec15fc5b4df2865abb1afa8c5c98 [2023-02-17 09:30:22,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:30:22,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:30:22,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:30:22,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:30:22,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:30:22,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@159bf301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22, skipping insertion in model container [2023-02-17 09:30:22,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:30:22,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:30:22,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:30:22,519 INFO L203 MainTranslator]: Completed pre-run [2023-02-17 09:30:22,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-17 09:30:22,549 INFO L208 MainTranslator]: Completed translation [2023-02-17 09:30:22,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22 WrapperNode [2023-02-17 09:30:22,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:30:22,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-17 09:30:22,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-17 09:30:22,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-17 09:30:22,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,574 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-02-17 09:30:22,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-17 09:30:22,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-17 09:30:22,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-17 09:30:22,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-17 09:30:22,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-17 09:30:22,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-17 09:30:22,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-17 09:30:22,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-17 09:30:22,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (1/1) ... [2023-02-17 09:30:22,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:30:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-17 09:30:22,658 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) [2023-02-17 09:30:22,677 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 [2023-02-17 09:30:22,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-17 09:30:22,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-17 09:30:22,755 INFO L235 CfgBuilder]: Building ICFG [2023-02-17 09:30:22,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-17 09:30:24,977 INFO L276 CfgBuilder]: Performing block encoding [2023-02-17 09:30:24,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-17 09:30:24,982 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-02-17 09:30:24,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:30:24 BoogieIcfgContainer [2023-02-17 09:30:24,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-17 09:30:24,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-17 09:30:24,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-17 09:30:24,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-17 09:30:24,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.02 09:30:22" (1/3) ... [2023-02-17 09:30:24,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd7261d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 09:30:24, skipping insertion in model container [2023-02-17 09:30:24,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:30:22" (2/3) ... [2023-02-17 09:30:24,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd7261d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.02 09:30:24, skipping insertion in model container [2023-02-17 09:30:24,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:30:24" (3/3) ... [2023-02-17 09:30:24,990 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-both-nt.c [2023-02-17 09:30:25,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-17 09:30:25,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2023-02-17 09:30:25,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fd7261d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.02 09:30:25, skipping insertion in model container [2023-02-17 09:30:25,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-17 09:30:25,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-17 09:30:25,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-17 09:30:25,003 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-17 09:30:25,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.02 09:30:24" (3/3) ... [2023-02-17 09:30:25,006 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-17 09:30:25,012 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-02-17 09:30:25,013 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-17 09:30:25,013 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-17 09:30:25,054 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-17 09:30:25,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-17 09:30:25,055 INFO L158 Benchmark]: Toolchain (without parser) took 2676.57ms. Allocated memory is still 174.1MB. Free memory was 137.0MB in the beginning and 107.0MB in the end (delta: 30.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-02-17 09:30:25,055 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:30:25,056 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.30ms. Allocated memory is still 174.1MB. Free memory was 136.3MB in the beginning and 125.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 09:30:25,056 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.12ms. Allocated memory is still 174.1MB. Free memory was 125.9MB in the beginning and 124.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:30:25,056 INFO L158 Benchmark]: Boogie Preprocessor took 39.49ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 123.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:30:25,057 INFO L158 Benchmark]: RCFGBuilder took 2367.89ms. Allocated memory is still 174.1MB. Free memory was 123.2MB in the beginning and 112.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-17 09:30:25,057 INFO L158 Benchmark]: TraceAbstraction took 17.14ms. Allocated memory is still 174.1MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:30:25,057 INFO L158 Benchmark]: Witness Printer took 51.35ms. Allocated memory is still 174.1MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-17 09:30:25,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.30ms. Allocated memory is still 174.1MB. Free memory was 136.3MB in the beginning and 125.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.12ms. Allocated memory is still 174.1MB. Free memory was 125.9MB in the beginning and 124.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.49ms. Allocated memory is still 174.1MB. Free memory was 124.6MB in the beginning and 123.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2367.89ms. Allocated memory is still 174.1MB. Free memory was 123.2MB in the beginning and 112.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 17.14ms. Allocated memory is still 174.1MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 51.35ms. Allocated memory is still 174.1MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2023-02-17 09:30:25,069 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