./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version ff03de63 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/bitvector/s3_srvr_2a.BV.c.cil.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 b8cfead7c1f307a9ba2676fad86c005fa434c5b4bc168c34fe90a644ea9973b2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 20:50:04,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 20:50:04,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 20:50:04,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 20:50:04,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 20:50:04,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 20:50:04,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 20:50:04,580 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 20:50:04,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 20:50:04,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 20:50:04,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 20:50:04,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 20:50:04,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 20:50:04,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 20:50:04,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 20:50:04,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 20:50:04,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 20:50:04,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 20:50:04,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 20:50:04,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 20:50:04,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 20:50:04,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 20:50:04,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 20:50:04,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 20:50:04,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 20:50:04,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 20:50:04,598 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 20:50:04,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 20:50:04,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 20:50:04,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 20:50:04,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 20:50:04,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 20:50:04,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 20:50:04,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 20:50:04,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 20:50:04,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 20:50:04,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 20:50:04,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 20:50:04,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 20:50:04,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 20:50:04,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 20:50:04,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-21 20:50:04,624 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 20:50:04,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 20:50:04,624 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 20:50:04,625 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 20:50:04,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 20:50:04,625 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 20:50:04,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 20:50:04,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 20:50:04,626 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 20:50:04,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 20:50:04,627 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 20:50:04,627 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 20:50:04,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 20:50:04,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 20:50:04,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 20:50:04,628 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 20:50:04,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 20:50:04,628 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 20:50:04,628 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-21 20:50:04,629 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 20:50:04,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 20:50:04,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 20:50:04,629 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 20:50:04,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 20:50:04,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 20:50:04,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 20:50:04,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:50:04,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 20:50:04,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 20:50:04,631 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 20:50:04,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 20:50:04,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 20:50:04,631 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 20:50:04,632 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 20:50:04,632 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cfead7c1f307a9ba2676fad86c005fa434c5b4bc168c34fe90a644ea9973b2 [2021-12-21 20:50:04,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 20:50:04,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 20:50:04,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 20:50:04,879 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 20:50:04,880 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 20:50:04,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-12-21 20:50:04,950 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b3c0801/83bfddc14590431680d225527d6ee263/FLAGe604c8d72 [2021-12-21 20:50:05,315 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 20:50:05,316 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2021-12-21 20:50:05,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b3c0801/83bfddc14590431680d225527d6ee263/FLAGe604c8d72 [2021-12-21 20:50:05,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99b3c0801/83bfddc14590431680d225527d6ee263 [2021-12-21 20:50:05,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 20:50:05,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 20:50:05,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 20:50:05,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 20:50:05,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 20:50:05,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a418f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05, skipping insertion in model container [2021-12-21 20:50:05,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 20:50:05,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 20:50:05,631 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2021-12-21 20:50:05,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 20:50:05,651 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 20:50:05,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2021-12-21 20:50:05,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 20:50:05,755 INFO L208 MainTranslator]: Completed translation [2021-12-21 20:50:05,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05 WrapperNode [2021-12-21 20:50:05,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 20:50:05,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 20:50:05,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 20:50:05,757 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 20:50:05,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,777 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,812 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 533 [2021-12-21 20:50:05,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 20:50:05,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 20:50:05,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 20:50:05,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 20:50:05,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 20:50:05,853 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 20:50:05,853 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 20:50:05,853 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 20:50:05,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (1/1) ... [2021-12-21 20:50:05,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:50:05,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 20:50:05,889 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) [2021-12-21 20:50:05,895 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 [2021-12-21 20:50:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 20:50:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 20:50:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 20:50:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 20:50:06,024 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 20:50:06,026 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 20:50:06,054 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-21 20:50:06,498 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-12-21 20:50:06,499 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-12-21 20:50:06,499 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 20:50:06,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 20:50:06,509 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-21 20:50:06,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 08:50:06 BoogieIcfgContainer [2021-12-21 20:50:06,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 20:50:06,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 20:50:06,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 20:50:06,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 20:50:06,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 08:50:05" (1/3) ... [2021-12-21 20:50:06,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4ac164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 08:50:06, skipping insertion in model container [2021-12-21 20:50:06,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:50:05" (2/3) ... [2021-12-21 20:50:06,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4ac164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 08:50:06, skipping insertion in model container [2021-12-21 20:50:06,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 08:50:06" (3/3) ... [2021-12-21 20:50:06,520 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2021-12-21 20:50:06,525 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 20:50:06,525 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-12-21 20:50:06,589 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 20:50:06,596 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 20:50:06,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-12-21 20:50:06,615 INFO L276 IsEmpty]: Start isEmpty. Operand has 147 states, 141 states have (on average 1.7446808510638299) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 20:50:06,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-21 20:50:06,633 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 20:50:06,633 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 20:50:06,634 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2021-12-21 20:50:06,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 20:50:06,643 INFO L85 PathProgramCache]: Analyzing trace with hash -157109558, now seen corresponding path program 1 times [2021-12-21 20:50:06,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 20:50:06,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964434662] [2021-12-21 20:50:06,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 20:50:06,652 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 20:50:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 20:50:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 20:50:06,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 20:50:06,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964434662] [2021-12-21 20:50:06,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964434662] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 20:50:06,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 20:50:06,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 20:50:06,844 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160387183] [2021-12-21 20:50:06,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 20:50:06,849 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 20:50:06,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 20:50:06,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 20:50:06,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 20:50:06,880 INFO L87 Difference]: Start difference. First operand has 147 states, 141 states have (on average 1.7446808510638299) internal successors, (246), 146 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 20:50:06,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 20:50:06,930 INFO L93 Difference]: Finished difference Result 270 states and 457 transitions. [2021-12-21 20:50:06,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 20:50:06,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-12-21 20:50:06,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 20:50:06,937 INFO L225 Difference]: With dead ends: 270 [2021-12-21 20:50:06,938 INFO L226 Difference]: Without dead ends: 0 [2021-12-21 20:50:06,943 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 20:50:06,947 INFO L933 BasicCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 20:50:06,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 20:50:06,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-21 20:50:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-21 20:50:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 20:50:06,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-21 20:50:06,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-12-21 20:50:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 20:50:06,969 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-21 20:50:06,969 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 20:50:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-21 20:50:06,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-21 20:50:06,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2021-12-21 20:50:06,972 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2021-12-21 20:50:06,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2021-12-21 20:50:06,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2021-12-21 20:50:06,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2021-12-21 20:50:06,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 20:50:06,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-21 20:50:07,013 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 278) no Hoare annotation was computed. [2021-12-21 20:50:07,013 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 272) no Hoare annotation was computed. [2021-12-21 20:50:07,014 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 608) no Hoare annotation was computed. [2021-12-21 20:50:07,014 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 619) no Hoare annotation was computed. [2021-12-21 20:50:07,015 INFO L858 garLoopResultBuilder]: For program point L135(lines 135 630) no Hoare annotation was computed. [2021-12-21 20:50:07,016 INFO L861 garLoopResultBuilder]: At program point L697(lines 688 699) the Hoare annotation is: true [2021-12-21 20:50:07,016 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 398) no Hoare annotation was computed. [2021-12-21 20:50:07,016 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 338) no Hoare annotation was computed. [2021-12-21 20:50:07,017 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 338) no Hoare annotation was computed. [2021-12-21 20:50:07,017 INFO L861 garLoopResultBuilder]: At program point L202(lines 198 609) the Hoare annotation is: true [2021-12-21 20:50:07,017 INFO L861 garLoopResultBuilder]: At program point L169(lines 165 620) the Hoare annotation is: true [2021-12-21 20:50:07,018 INFO L861 garLoopResultBuilder]: At program point L136(lines 135 630) the Hoare annotation is: true [2021-12-21 20:50:07,018 INFO L858 garLoopResultBuilder]: For program point L533(lines 533 538) no Hoare annotation was computed. [2021-12-21 20:50:07,018 INFO L861 garLoopResultBuilder]: At program point L600(lines 111 668) the Hoare annotation is: true [2021-12-21 20:50:07,019 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 571) no Hoare annotation was computed. [2021-12-21 20:50:07,019 INFO L858 garLoopResultBuilder]: For program point L303(lines 303 307) no Hoare annotation was computed. [2021-12-21 20:50:07,020 INFO L858 garLoopResultBuilder]: For program point L303-2(lines 221 599) no Hoare annotation was computed. [2021-12-21 20:50:07,020 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 607) no Hoare annotation was computed. [2021-12-21 20:50:07,021 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 618) no Hoare annotation was computed. [2021-12-21 20:50:07,022 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 629) no Hoare annotation was computed. [2021-12-21 20:50:07,025 INFO L858 garLoopResultBuilder]: For program point L370(lines 370 397) no Hoare annotation was computed. [2021-12-21 20:50:07,025 INFO L858 garLoopResultBuilder]: For program point L370-1(lines 370 397) no Hoare annotation was computed. [2021-12-21 20:50:07,025 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 394) no Hoare annotation was computed. [2021-12-21 20:50:07,025 INFO L861 garLoopResultBuilder]: At program point L669(lines 110 670) the Hoare annotation is: true [2021-12-21 20:50:07,026 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 606) no Hoare annotation was computed. [2021-12-21 20:50:07,026 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 617) no Hoare annotation was computed. [2021-12-21 20:50:07,026 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 628) no Hoare annotation was computed. [2021-12-21 20:50:07,026 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-12-21 20:50:07,026 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 437) no Hoare annotation was computed. [2021-12-21 20:50:07,027 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2021-12-21 20:50:07,027 INFO L861 garLoopResultBuilder]: At program point L208(lines 204 607) the Hoare annotation is: true [2021-12-21 20:50:07,027 INFO L861 garLoopResultBuilder]: At program point L175(lines 171 618) the Hoare annotation is: true [2021-12-21 20:50:07,027 INFO L858 garLoopResultBuilder]: For program point L241-2(lines 221 599) no Hoare annotation was computed. [2021-12-21 20:50:07,027 INFO L858 garLoopResultBuilder]: For program point L638(lines 638 666) no Hoare annotation was computed. [2021-12-21 20:50:07,028 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-12-21 20:50:07,028 INFO L858 garLoopResultBuilder]: For program point L374(lines 374 393) no Hoare annotation was computed. [2021-12-21 20:50:07,031 INFO L858 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2021-12-21 20:50:07,031 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 663) no Hoare annotation was computed. [2021-12-21 20:50:07,031 INFO L858 garLoopResultBuilder]: For program point L573(lines 573 577) no Hoare annotation was computed. [2021-12-21 20:50:07,031 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 544) no Hoare annotation was computed. [2021-12-21 20:50:07,032 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2021-12-21 20:50:07,032 INFO L858 garLoopResultBuilder]: For program point L573-2(lines 573 577) no Hoare annotation was computed. [2021-12-21 20:50:07,032 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 221 599) no Hoare annotation was computed. [2021-12-21 20:50:07,033 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2021-12-21 20:50:07,033 INFO L858 garLoopResultBuilder]: For program point L375-2(lines 374 391) no Hoare annotation was computed. [2021-12-21 20:50:07,037 INFO L858 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2021-12-21 20:50:07,037 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2021-12-21 20:50:07,038 INFO L858 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-12-21 20:50:07,038 INFO L858 garLoopResultBuilder]: For program point L210(lines 210 605) no Hoare annotation was computed. [2021-12-21 20:50:07,038 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 616) no Hoare annotation was computed. [2021-12-21 20:50:07,038 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 627) no Hoare annotation was computed. [2021-12-21 20:50:07,038 INFO L861 garLoopResultBuilder]: At program point L111-2(lines 111 668) the Hoare annotation is: true [2021-12-21 20:50:07,038 INFO L858 garLoopResultBuilder]: For program point L673(lines 673 677) no Hoare annotation was computed. [2021-12-21 20:50:07,039 INFO L858 garLoopResultBuilder]: For program point L640(lines 640 649) no Hoare annotation was computed. [2021-12-21 20:50:07,039 INFO L858 garLoopResultBuilder]: For program point L673-2(lines 673 677) no Hoare annotation was computed. [2021-12-21 20:50:07,039 INFO L858 garLoopResultBuilder]: For program point L640-2(lines 639 661) no Hoare annotation was computed. [2021-12-21 20:50:07,039 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-12-21 20:50:07,039 INFO L858 garLoopResultBuilder]: For program point L343-1(lines 343 352) no Hoare annotation was computed. [2021-12-21 20:50:07,040 INFO L861 garLoopResultBuilder]: At program point L178(lines 177 616) the Hoare annotation is: true [2021-12-21 20:50:07,040 INFO L861 garLoopResultBuilder]: At program point L145(lines 138 629) the Hoare annotation is: true [2021-12-21 20:50:07,040 INFO L858 garLoopResultBuilder]: For program point L112(line 112) no Hoare annotation was computed. [2021-12-21 20:50:07,040 INFO L858 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2021-12-21 20:50:07,040 INFO L858 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2021-12-21 20:50:07,040 INFO L858 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2021-12-21 20:50:07,041 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 604) no Hoare annotation was computed. [2021-12-21 20:50:07,041 INFO L858 garLoopResultBuilder]: For program point L180(lines 180 615) no Hoare annotation was computed. [2021-12-21 20:50:07,041 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 626) no Hoare annotation was computed. [2021-12-21 20:50:07,041 INFO L858 garLoopResultBuilder]: For program point L114(lines 114 637) no Hoare annotation was computed. [2021-12-21 20:50:07,041 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 278) no Hoare annotation was computed. [2021-12-21 20:50:07,042 INFO L861 garLoopResultBuilder]: At program point L214(lines 210 605) the Hoare annotation is: true [2021-12-21 20:50:07,042 INFO L861 garLoopResultBuilder]: At program point L115(lines 114 637) the Hoare annotation is: true [2021-12-21 20:50:07,042 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2021-12-21 20:50:07,042 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 491) no Hoare annotation was computed. [2021-12-21 20:50:07,043 INFO L858 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2021-12-21 20:50:07,043 INFO L861 garLoopResultBuilder]: At program point L381(lines 364 399) the Hoare annotation is: true [2021-12-21 20:50:07,043 INFO L858 garLoopResultBuilder]: For program point L249(lines 249 254) no Hoare annotation was computed. [2021-12-21 20:50:07,043 INFO L858 garLoopResultBuilder]: For program point L216(lines 216 603) no Hoare annotation was computed. [2021-12-21 20:50:07,043 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 614) no Hoare annotation was computed. [2021-12-21 20:50:07,043 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 625) no Hoare annotation was computed. [2021-12-21 20:50:07,044 INFO L858 garLoopResultBuilder]: For program point L117(lines 117 636) no Hoare annotation was computed. [2021-12-21 20:50:07,044 INFO L861 garLoopResultBuilder]: At program point L415(lines 406 437) the Hoare annotation is: true [2021-12-21 20:50:07,044 INFO L861 garLoopResultBuilder]: At program point L217(lines 216 603) the Hoare annotation is: true [2021-12-21 20:50:07,044 INFO L861 garLoopResultBuilder]: At program point L184(lines 180 615) the Hoare annotation is: true [2021-12-21 20:50:07,044 INFO L861 garLoopResultBuilder]: At program point L151(lines 147 626) the Hoare annotation is: true [2021-12-21 20:50:07,044 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 93) no Hoare annotation was computed. [2021-12-21 20:50:07,045 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-12-21 20:50:07,045 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-21 20:50:07,045 INFO L858 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-12-21 20:50:07,045 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 613) no Hoare annotation was computed. [2021-12-21 20:50:07,045 INFO L858 garLoopResultBuilder]: For program point L153(lines 153 624) no Hoare annotation was computed. [2021-12-21 20:50:07,045 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 635) no Hoare annotation was computed. [2021-12-21 20:50:07,046 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 593) no Hoare annotation was computed. [2021-12-21 20:50:07,046 INFO L858 garLoopResultBuilder]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2021-12-21 20:50:07,046 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 488) no Hoare annotation was computed. [2021-12-21 20:50:07,046 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2021-12-21 20:50:07,046 INFO L861 garLoopResultBuilder]: At program point L220(lines 219 602) the Hoare annotation is: true [2021-12-21 20:50:07,046 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-12-21 20:50:07,047 INFO L858 garLoopResultBuilder]: For program point L88-2(lines 85 93) no Hoare annotation was computed. [2021-12-21 20:50:07,047 INFO L858 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2021-12-21 20:50:07,047 INFO L858 garLoopResultBuilder]: For program point L320(lines 320 328) no Hoare annotation was computed. [2021-12-21 20:50:07,047 INFO L861 garLoopResultBuilder]: At program point L684(lines 76 686) the Hoare annotation is: true [2021-12-21 20:50:07,047 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 657) no Hoare annotation was computed. [2021-12-21 20:50:07,047 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 557) no Hoare annotation was computed. [2021-12-21 20:50:07,047 INFO L858 garLoopResultBuilder]: For program point L189(lines 189 612) no Hoare annotation was computed. [2021-12-21 20:50:07,048 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 623) no Hoare annotation was computed. [2021-12-21 20:50:07,048 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 634) no Hoare annotation was computed. [2021-12-21 20:50:07,048 INFO L861 garLoopResultBuilder]: At program point L685(lines 19 687) the Hoare annotation is: true [2021-12-21 20:50:07,049 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-12-21 20:50:07,049 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-21 20:50:07,050 INFO L861 garLoopResultBuilder]: At program point L190(lines 186 613) the Hoare annotation is: true [2021-12-21 20:50:07,050 INFO L861 garLoopResultBuilder]: At program point L157(lines 153 624) the Hoare annotation is: true [2021-12-21 20:50:07,050 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-12-21 20:50:07,050 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 221 599) no Hoare annotation was computed. [2021-12-21 20:50:07,050 INFO L861 garLoopResultBuilder]: At program point L224(lines 117 636) the Hoare annotation is: true [2021-12-21 20:50:07,051 INFO L858 garLoopResultBuilder]: For program point L192(lines 192 611) no Hoare annotation was computed. [2021-12-21 20:50:07,051 INFO L858 garLoopResultBuilder]: For program point L159(lines 159 622) no Hoare annotation was computed. [2021-12-21 20:50:07,051 INFO L858 garLoopResultBuilder]: For program point L126(lines 126 633) no Hoare annotation was computed. [2021-12-21 20:50:07,051 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-12-21 20:50:07,051 INFO L858 garLoopResultBuilder]: For program point L523-2(lines 523 527) no Hoare annotation was computed. [2021-12-21 20:50:07,051 INFO L858 garLoopResultBuilder]: For program point L457-1(lines 457 469) no Hoare annotation was computed. [2021-12-21 20:50:07,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 275) no Hoare annotation was computed. [2021-12-21 20:50:07,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-21 20:50:07,052 INFO L861 garLoopResultBuilder]: At program point L425(lines 416 436) the Hoare annotation is: true [2021-12-21 20:50:07,052 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-12-21 20:50:07,052 INFO L858 garLoopResultBuilder]: For program point L359-2(lines 221 599) no Hoare annotation was computed. [2021-12-21 20:50:07,052 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-12-21 20:50:07,053 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 103) no Hoare annotation was computed. [2021-12-21 20:50:07,057 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 76 686) no Hoare annotation was computed. [2021-12-21 20:50:07,057 INFO L858 garLoopResultBuilder]: For program point L195(lines 195 610) no Hoare annotation was computed. [2021-12-21 20:50:07,057 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 621) no Hoare annotation was computed. [2021-12-21 20:50:07,057 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 632) no Hoare annotation was computed. [2021-12-21 20:50:07,058 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 100) no Hoare annotation was computed. [2021-12-21 20:50:07,058 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 465) no Hoare annotation was computed. [2021-12-21 20:50:07,058 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 233) no Hoare annotation was computed. [2021-12-21 20:50:07,059 INFO L861 garLoopResultBuilder]: At program point L196(lines 192 611) the Hoare annotation is: true [2021-12-21 20:50:07,059 INFO L861 garLoopResultBuilder]: At program point L163(lines 159 622) the Hoare annotation is: true [2021-12-21 20:50:07,059 INFO L858 garLoopResultBuilder]: For program point L229-2(lines 221 599) no Hoare annotation was computed. [2021-12-21 20:50:07,059 INFO L858 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2021-12-21 20:50:07,060 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-21 20:50:07,060 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 609) no Hoare annotation was computed. [2021-12-21 20:50:07,060 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 620) no Hoare annotation was computed. [2021-12-21 20:50:07,060 INFO L858 garLoopResultBuilder]: For program point L132(lines 132 631) no Hoare annotation was computed. [2021-12-21 20:50:07,060 INFO L858 garLoopResultBuilder]: For program point L562(lines 562 566) no Hoare annotation was computed. [2021-12-21 20:50:07,060 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2021-12-21 20:50:07,061 INFO L861 garLoopResultBuilder]: At program point L133(lines 129 632) the Hoare annotation is: true [2021-12-21 20:50:07,061 INFO L861 garLoopResultBuilder]: At program point L563(lines 76 686) the Hoare annotation is: true [2021-12-21 20:50:07,061 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 280) no Hoare annotation was computed. [2021-12-21 20:50:07,068 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 20:50:07,070 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 20:50:07,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 08:50:07 BoogieIcfgContainer [2021-12-21 20:50:07,080 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 20:50:07,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 20:50:07,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 20:50:07,082 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 20:50:07,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 08:50:06" (3/4) ... [2021-12-21 20:50:07,084 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 20:50:07,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-21 20:50:07,106 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-21 20:50:07,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 20:50:07,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 20:50:07,168 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 20:50:07,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 20:50:07,169 INFO L158 Benchmark]: Toolchain (without parser) took 1826.91ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 57.2MB in the beginning and 46.0MB in the end (delta: 11.2MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2021-12-21 20:50:07,170 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:50:07,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.20ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 56.9MB in the beginning and 81.2MB in the end (delta: -24.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 20:50:07,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.04ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 78.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 20:50:07,171 INFO L158 Benchmark]: Boogie Preprocessor took 39.11ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:50:07,171 INFO L158 Benchmark]: RCFGBuilder took 658.70ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 44.1MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-21 20:50:07,171 INFO L158 Benchmark]: TraceAbstraction took 567.30ms. Allocated memory is still 109.1MB. Free memory was 44.1MB in the beginning and 55.0MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:50:07,172 INFO L158 Benchmark]: Witness Printer took 87.38ms. Allocated memory is still 109.1MB. Free memory was 55.0MB in the beginning and 46.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 20:50:07,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.20ms. Allocated memory was 88.1MB in the beginning and 109.1MB in the end (delta: 21.0MB). Free memory was 56.9MB in the beginning and 81.2MB in the end (delta: -24.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.04ms. Allocated memory is still 109.1MB. Free memory was 81.2MB in the beginning and 78.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.11ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 658.70ms. Allocated memory is still 109.1MB. Free memory was 76.1MB in the beginning and 44.1MB in the end (delta: 32.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 567.30ms. Allocated memory is still 109.1MB. Free memory was 44.1MB in the beginning and 55.0MB in the end (delta: -10.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 87.38ms. Allocated memory is still 109.1MB. Free memory was 55.0MB in the beginning and 46.0MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 278]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 278]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 147 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 220 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 58 NumberOfFragments, 29 HoareAnnotationTreeSize, 29 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 688]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-21 20:50:07,207 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