./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sumt3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e8d55036 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/loops-crafted-1/sumt3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e30b5fab1e4d82c0eedde50f4c0c38801322108217030da03826d472d6d39908 --- Real Ultimate output --- This is Ultimate 0.2.2-?-e8d5503-m [2023-02-15 20:17:15,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 20:17:15,711 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 20:17:15,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 20:17:15,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 20:17:15,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 20:17:15,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 20:17:15,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 20:17:15,758 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 20:17:15,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 20:17:15,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 20:17:15,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 20:17:15,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 20:17:15,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 20:17:15,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 20:17:15,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 20:17:15,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 20:17:15,771 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 20:17:15,772 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 20:17:15,777 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 20:17:15,778 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 20:17:15,779 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 20:17:15,780 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 20:17:15,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 20:17:15,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 20:17:15,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 20:17:15,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 20:17:15,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 20:17:15,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 20:17:15,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 20:17:15,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 20:17:15,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 20:17:15,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 20:17:15,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 20:17:15,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 20:17:15,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 20:17:15,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 20:17:15,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 20:17:15,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 20:17:15,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 20:17:15,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 20:17:15,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 20:17:15,825 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 20:17:15,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 20:17:15,828 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 20:17:15,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 20:17:15,829 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 20:17:15,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 20:17:15,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 20:17:15,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 20:17:15,831 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 20:17:15,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 20:17:15,831 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 20:17:15,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 20:17:15,832 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 20:17:15,832 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 20:17:15,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 20:17:15,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 20:17:15,833 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 20:17:15,833 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 20:17:15,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 20:17:15,833 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 20:17:15,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 20:17:15,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 20:17:15,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 20:17:15,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 20:17:15,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 20:17:15,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 20:17:15,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 20:17:15,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 20:17:15,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 20:17:15,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 20:17:15,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 20:17:15,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 20:17:15,836 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 20:17:15,836 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 20:17:15,843 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 20:17:15,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e30b5fab1e4d82c0eedde50f4c0c38801322108217030da03826d472d6d39908 [2023-02-15 20:17:16,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 20:17:16,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 20:17:16,062 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 20:17:16,063 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 20:17:16,064 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 20:17:16,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/sumt3.c [2023-02-15 20:17:17,168 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 20:17:17,335 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 20:17:17,335 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt3.c [2023-02-15 20:17:17,340 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9835df0/a184eb186dc34f5291fc35cd77504401/FLAG32026ecc3 [2023-02-15 20:17:17,356 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b9835df0/a184eb186dc34f5291fc35cd77504401 [2023-02-15 20:17:17,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 20:17:17,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 20:17:17,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 20:17:17,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 20:17:17,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 20:17:17,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8847bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17, skipping insertion in model container [2023-02-15 20:17:17,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,376 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 20:17:17,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 20:17:17,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt3.c[403,416] [2023-02-15 20:17:17,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 20:17:17,506 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 20:17:17,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/sumt3.c[403,416] [2023-02-15 20:17:17,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 20:17:17,529 INFO L208 MainTranslator]: Completed translation [2023-02-15 20:17:17,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17 WrapperNode [2023-02-15 20:17:17,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 20:17:17,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 20:17:17,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 20:17:17,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 20:17:17,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,554 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-02-15 20:17:17,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 20:17:17,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 20:17:17,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 20:17:17,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 20:17:17,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,564 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,569 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 20:17:17,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 20:17:17,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 20:17:17,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 20:17:17,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (1/1) ... [2023-02-15 20:17:17,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 20:17:17,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 20:17:17,610 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) [2023-02-15 20:17:17,632 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 [2023-02-15 20:17:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 20:17:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 20:17:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 20:17:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 20:17:17,696 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 20:17:17,698 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 20:17:17,816 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 20:17:17,821 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 20:17:17,821 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-15 20:17:17,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:17:17 BoogieIcfgContainer [2023-02-15 20:17:17,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 20:17:17,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 20:17:17,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 20:17:17,828 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 20:17:17,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 08:17:17" (1/3) ... [2023-02-15 20:17:17,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274c3670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 08:17:17, skipping insertion in model container [2023-02-15 20:17:17,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 08:17:17" (2/3) ... [2023-02-15 20:17:17,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274c3670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 08:17:17, skipping insertion in model container [2023-02-15 20:17:17,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:17:17" (3/3) ... [2023-02-15 20:17:17,831 INFO L112 eAbstractionObserver]: Analyzing ICFG sumt3.c [2023-02-15 20:17:17,846 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 20:17:17,846 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 20:17:17,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 20:17:17,903 INFO L357 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=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@785ae747, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 20:17:17,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 20:17:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 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) [2023-02-15 20:17:17,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-15 20:17:17,915 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 20:17:17,916 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-15 20:17:17,917 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 20:17:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 20:17:17,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1806982232, now seen corresponding path program 1 times [2023-02-15 20:17:17,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 20:17:17,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486163218] [2023-02-15 20:17:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 20:17:17,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 20:17:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 20:17:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 20:17:18,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 20:17:18,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486163218] [2023-02-15 20:17:18,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486163218] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 20:17:18,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 20:17:18,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 20:17:18,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251112824] [2023-02-15 20:17:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 20:17:18,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 20:17:18,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 20:17:18,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 20:17:18,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-02-15 20:17:18,673 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 14 states have internal predecessors, (20), 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 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-02-15 20:17:18,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 20:17:18,729 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2023-02-15 20:17:18,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 20:17:18,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2023-02-15 20:17:18,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 20:17:18,744 INFO L225 Difference]: With dead ends: 38 [2023-02-15 20:17:18,744 INFO L226 Difference]: Without dead ends: 13 [2023-02-15 20:17:18,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-02-15 20:17:18,752 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 20:17:18,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 20:17:18,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2023-02-15 20:17:18,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-02-15 20:17:18,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2023-02-15 20:17:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2023-02-15 20:17:18,788 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2023-02-15 20:17:18,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 20:17:18,788 INFO L495 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2023-02-15 20:17:18,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2023-02-15 20:17:18,789 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-02-15 20:17:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-02-15 20:17:18,790 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 20:17:18,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 20:17:18,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 20:17:18,791 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 20:17:18,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 20:17:18,792 INFO L85 PathProgramCache]: Analyzing trace with hash 83295881, now seen corresponding path program 1 times [2023-02-15 20:17:18,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 20:17:18,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259506211] [2023-02-15 20:17:18,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 20:17:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 20:17:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 20:17:19,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 20:17:19,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 20:17:19,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259506211] [2023-02-15 20:17:19,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259506211] provided 0 perfect and 1 imperfect interpolant sequences [2023-02-15 20:17:19,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256227789] [2023-02-15 20:17:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 20:17:19,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 20:17:19,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 20:17:19,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-02-15 20:17:19,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-02-15 20:17:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 20:17:19,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 18 conjunts are in the unsatisfiable core [2023-02-15 20:17:19,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-15 20:17:19,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-15 20:17:19,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-02-15 20:17:19,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-02-15 20:17:19,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256227789] provided 1 perfect and 1 imperfect interpolant sequences [2023-02-15 20:17:19,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-02-15 20:17:19,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 6] total 13 [2023-02-15 20:17:19,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136234856] [2023-02-15 20:17:19,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 20:17:19,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-15 20:17:19,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 20:17:19,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-15 20:17:19,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-02-15 20:17:19,610 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-02-15 20:17:19,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 20:17:19,715 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2023-02-15 20:17:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-15 20:17:19,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2023-02-15 20:17:19,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 20:17:19,716 INFO L225 Difference]: With dead ends: 13 [2023-02-15 20:17:19,716 INFO L226 Difference]: Without dead ends: 0 [2023-02-15 20:17:19,717 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-02-15 20:17:19,720 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-02-15 20:17:19,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-02-15 20:17:19,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-02-15 20:17:19,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-02-15 20:17:19,722 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) [2023-02-15 20:17:19,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-02-15 20:17:19,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2023-02-15 20:17:19,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 20:17:19,722 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-15 20:17:19,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-02-15 20:17:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-02-15 20:17:19,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-02-15 20:17:19,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 20:17:19,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-02-15 20:17:19,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-02-15 20:17:19,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-02-15 20:17:19,942 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-02-15 20:17:19,942 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-02-15 20:17:19,942 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-02-15 20:17:19,942 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 16 36) the Hoare annotation is: true [2023-02-15 20:17:19,942 INFO L899 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2023-02-15 20:17:19,943 INFO L895 garLoopResultBuilder]: At program point L9-2(lines 8 13) the Hoare annotation is: (not (= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|)) [2023-02-15 20:17:19,943 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-02-15 20:17:19,943 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-02-15 20:17:19,943 INFO L899 garLoopResultBuilder]: For program point L28(lines 28 31) no Hoare annotation was computed. [2023-02-15 20:17:19,943 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2023-02-15 20:17:19,944 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 26 31) no Hoare annotation was computed. [2023-02-15 20:17:19,944 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 10) no Hoare annotation was computed. [2023-02-15 20:17:19,944 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 33) the Hoare annotation is: (= (mod (+ |ULTIMATE.start_main_~j~0#1| |ULTIMATE.start_main_~i~0#1| |ULTIMATE.start_main_~k~0#1|) 4294967296) (mod |ULTIMATE.start_main_~l~0#1| 4294967296)) [2023-02-15 20:17:19,944 INFO L899 garLoopResultBuilder]: For program point L24-3(lines 24 33) no Hoare annotation was computed. [2023-02-15 20:17:19,944 INFO L899 garLoopResultBuilder]: For program point L10(line 10) no Hoare annotation was computed. [2023-02-15 20:17:19,947 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-02-15 20:17:19,949 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 20:17:19,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 08:17:19 BoogieIcfgContainer [2023-02-15 20:17:19,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 20:17:19,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 20:17:19,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 20:17:19,972 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 20:17:19,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 08:17:17" (3/4) ... [2023-02-15 20:17:19,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-02-15 20:17:19,983 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-02-15 20:17:19,984 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-02-15 20:17:19,984 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-02-15 20:17:19,984 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 20:17:19,985 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-02-15 20:17:20,024 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 20:17:20,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 20:17:20,025 INFO L158 Benchmark]: Toolchain (without parser) took 2663.91ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 79.5MB in the beginning and 109.8MB in the end (delta: -30.3MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-02-15 20:17:20,026 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 20:17:20,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 165.17ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 68.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 20:17:20,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.14ms. Allocated memory is still 121.6MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 20:17:20,026 INFO L158 Benchmark]: Boogie Preprocessor took 17.45ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 66.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 20:17:20,027 INFO L158 Benchmark]: RCFGBuilder took 245.22ms. Allocated memory is still 121.6MB. Free memory was 66.3MB in the beginning and 56.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 20:17:20,027 INFO L158 Benchmark]: TraceAbstraction took 2145.44ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 55.5MB in the beginning and 112.9MB in the end (delta: -57.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 20:17:20,028 INFO L158 Benchmark]: Witness Printer took 53.52ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 109.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 20:17:20,029 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 165.17ms. Allocated memory is still 121.6MB. Free memory was 79.5MB in the beginning and 68.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.14ms. Allocated memory is still 121.6MB. Free memory was 68.9MB in the beginning and 67.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.45ms. Allocated memory is still 121.6MB. Free memory was 67.3MB in the beginning and 66.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 245.22ms. Allocated memory is still 121.6MB. Free memory was 66.3MB in the beginning and 56.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2145.44ms. Allocated memory was 121.6MB in the beginning and 169.9MB in the end (delta: 48.2MB). Free memory was 55.5MB in the beginning and 112.9MB in the end (delta: -57.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 53.52ms. Allocated memory is still 169.9MB. Free memory was 112.9MB in the beginning and 109.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 10]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 18 mSDtfsCounter, 45 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 10 NumberOfFragments, 15 HoareAnnotationTreeSize, 3 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 358 SizeOfPredicates, 5 NumberOfNonLiveVariables, 69 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 1/3 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 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (j + i + k) % 4294967296 == l % 4294967296 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: !(0 == cond) RESULT: Ultimate proved your program to be correct! [2023-02-15 20:17:20,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE