./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 02:56:44,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:56:44,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:56:44,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:56:44,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:56:44,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:56:44,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:56:44,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:56:44,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:56:44,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:56:44,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:56:44,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:56:44,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:56:44,870 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:56:44,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:56:44,872 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:56:44,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:56:44,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:56:44,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:56:44,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:56:44,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:56:44,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:56:44,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:56:44,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:56:44,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:56:44,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:56:44,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:56:44,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:56:44,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:56:44,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:56:44,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:56:44,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:56:44,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:56:44,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:56:44,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:56:44,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:56:44,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:56:44,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:56:44,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:56:44,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:56:44,897 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:56:44,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-02-14 02:56:44,921 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:56:44,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:56:44,922 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:56:44,922 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:56:44,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:56:44,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:56:44,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:56:44,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:56:44,924 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:56:44,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:56:44,925 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:56:44,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:56:44,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:56:44,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-14 02:56:44,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:56:44,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:56:44,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:56:44,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:56:44,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:56:44,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:56:44,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-14 02:56:44,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:56:44,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:56:44,929 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:56:44,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-14 02:56:44,929 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:56:44,929 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:56:44,929 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:56:44,929 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16c87f757d11a5b22574448d8ecfef35f586564e2cd4dda7a1b2fc9778ac5c5b [2023-02-14 02:56:45,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:56:45,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:56:45,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:56:45,168 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:56:45,168 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:56:45,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2023-02-14 02:56:46,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:56:46,437 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:56:46,440 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Masse-alloca-2.i [2023-02-14 02:56:46,449 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd766be1/00b612433d5c48f18cb0471f65dbfa63/FLAG45f163f7d [2023-02-14 02:56:46,458 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd766be1/00b612433d5c48f18cb0471f65dbfa63 [2023-02-14 02:56:46,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:56:46,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:56:46,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:56:46,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:56:46,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:56:46,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336d5ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46, skipping insertion in model container [2023-02-14 02:56:46,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:56:46,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:56:46,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:56:46,710 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 02:56:46,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 02:56:46,757 INFO L208 MainTranslator]: Completed translation [2023-02-14 02:56:46,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46 WrapperNode [2023-02-14 02:56:46,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:56:46,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 02:56:46,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 02:56:46,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 02:56:46,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,791 INFO L138 Inliner]: procedures = 110, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2023-02-14 02:56:46,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 02:56:46,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 02:56:46,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 02:56:46,793 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 02:56:46,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 02:56:46,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 02:56:46,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 02:56:46,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 02:56:46,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (1/1) ... [2023-02-14 02:56:46,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:56:46,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 02:56:46,849 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) [2023-02-14 02:56:46,855 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 [2023-02-14 02:56:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-14 02:56:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-14 02:56:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-14 02:56:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-14 02:56:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 02:56:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 02:56:46,989 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 02:56:47,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 02:56:47,142 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 02:56:47,146 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 02:56:47,153 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 02:56:47,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:56:47 BoogieIcfgContainer [2023-02-14 02:56:47,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 02:56:47,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-14 02:56:47,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-14 02:56:47,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-14 02:56:47,160 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.02 02:56:46" (1/3) ... [2023-02-14 02:56:47,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4622cee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:56:47, skipping insertion in model container [2023-02-14 02:56:47,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:56:46" (2/3) ... [2023-02-14 02:56:47,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4622cee0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.02 02:56:47, skipping insertion in model container [2023-02-14 02:56:47,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:56:47" (3/3) ... [2023-02-14 02:56:47,163 INFO L112 eAbstractionObserver]: Analyzing ICFG Masse-alloca-2.i [2023-02-14 02:56:47,175 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-14 02:56:47,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-02-14 02:56:47,213 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-14 02:56:47,218 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;@c3c343e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-14 02:56:47,218 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-02-14 02:56:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 16 states have (on average 1.6875) internal successors, (27), 24 states have internal predecessors, (27), 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) [2023-02-14 02:56:47,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 02:56:47,226 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:56:47,226 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 02:56:47,226 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 02:56:47,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:56:47,232 INFO L85 PathProgramCache]: Analyzing trace with hash 889571593, now seen corresponding path program 1 times [2023-02-14 02:56:47,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:56:47,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078938267] [2023-02-14 02:56:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:56:47,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:56:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:56:47,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:56:47,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:56:47,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078938267] [2023-02-14 02:56:47,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078938267] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:56:47,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:56:47,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:56:47,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972500334] [2023-02-14 02:56:47,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:56:47,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:56:47,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:56:47,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:56:47,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:56:47,462 INFO L87 Difference]: Start difference. First operand has 25 states, 16 states have (on average 1.6875) internal successors, (27), 24 states have internal predecessors, (27), 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 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-02-14 02:56:47,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:56:47,518 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2023-02-14 02:56:47,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 02:56:47,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2023-02-14 02:56:47,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:56:47,526 INFO L225 Difference]: With dead ends: 29 [2023-02-14 02:56:47,526 INFO L226 Difference]: Without dead ends: 19 [2023-02-14 02:56:47,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:56:47,531 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 19 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:56:47,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 40 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:56:47,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2023-02-14 02:56:47,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-02-14 02:56:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 18 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) [2023-02-14 02:56:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2023-02-14 02:56:47,551 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 6 [2023-02-14 02:56:47,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:56:47,551 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2023-02-14 02:56:47,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-02-14 02:56:47,552 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-02-14 02:56:47,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-02-14 02:56:47,552 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:56:47,552 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-02-14 02:56:47,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-14 02:56:47,553 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 02:56:47,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:56:47,553 INFO L85 PathProgramCache]: Analyzing trace with hash 889571273, now seen corresponding path program 1 times [2023-02-14 02:56:47,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:56:47,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401120307] [2023-02-14 02:56:47,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:56:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:56:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 02:56:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 02:56:47,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-14 02:56:47,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401120307] [2023-02-14 02:56:47,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401120307] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-14 02:56:47,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-14 02:56:47,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-14 02:56:47,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632311107] [2023-02-14 02:56:47,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-14 02:56:47,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-02-14 02:56:47,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-14 02:56:47,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-02-14 02:56:47,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-02-14 02:56:47,624 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-02-14 02:56:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-14 02:56:47,690 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2023-02-14 02:56:47,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-02-14 02:56:47,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 6 [2023-02-14 02:56:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-14 02:56:47,691 INFO L225 Difference]: With dead ends: 19 [2023-02-14 02:56:47,691 INFO L226 Difference]: Without dead ends: 17 [2023-02-14 02:56:47,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-02-14 02:56:47,692 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-14 02:56:47,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 22 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-14 02:56:47,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2023-02-14 02:56:47,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2023-02-14 02:56:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 16 states have internal predecessors, (18), 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) [2023-02-14 02:56:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2023-02-14 02:56:47,695 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 6 [2023-02-14 02:56:47,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-14 02:56:47,695 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2023-02-14 02:56:47,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2023-02-14 02:56:47,696 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-02-14 02:56:47,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-02-14 02:56:47,696 INFO L187 NwaCegarLoop]: Found error trace [2023-02-14 02:56:47,696 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-02-14 02:56:47,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-14 02:56:47,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-02-14 02:56:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 02:56:47,697 INFO L85 PathProgramCache]: Analyzing trace with hash 1806915666, now seen corresponding path program 1 times [2023-02-14 02:56:47,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 02:56:47,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80079755] [2023-02-14 02:56:47,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 02:56:47,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 02:56:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 02:56:47,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 02:56:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 02:56:47,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 02:56:47,757 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-14 02:56:47,758 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-02-14 02:56:47,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-02-14 02:56:47,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-02-14 02:56:47,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-02-14 02:56:47,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-02-14 02:56:47,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-02-14 02:56:47,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-02-14 02:56:47,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-02-14 02:56:47,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-14 02:56:47,767 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-14 02:56:47,770 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-14 02:56:47,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.02 02:56:47 BoogieIcfgContainer [2023-02-14 02:56:47,785 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-14 02:56:47,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 02:56:47,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 02:56:47,785 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 02:56:47,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 02:56:47" (3/4) ... [2023-02-14 02:56:47,787 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-14 02:56:47,816 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-14 02:56:47,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 02:56:47,819 INFO L158 Benchmark]: Toolchain (without parser) took 1354.79ms. Allocated memory is still 157.3MB. Free memory was 125.8MB in the beginning and 122.5MB in the end (delta: 3.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-02-14 02:56:47,819 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:56:47,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.44ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 110.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-02-14 02:56:47,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.85ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 108.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:56:47,820 INFO L158 Benchmark]: Boogie Preprocessor took 33.69ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:56:47,820 INFO L158 Benchmark]: RCFGBuilder took 328.63ms. Allocated memory is still 157.3MB. Free memory was 107.4MB in the beginning and 96.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-14 02:56:47,820 INFO L158 Benchmark]: TraceAbstraction took 627.72ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 123.9MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:56:47,821 INFO L158 Benchmark]: Witness Printer took 31.55ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 122.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 02:56:47,823 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 125.8MB. Free memory was 79.4MB in the beginning and 79.3MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.44ms. Allocated memory is still 157.3MB. Free memory was 125.4MB in the beginning and 110.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.85ms. Allocated memory is still 157.3MB. Free memory was 110.2MB in the beginning and 108.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.69ms. Allocated memory is still 157.3MB. Free memory was 108.4MB in the beginning and 107.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.63ms. Allocated memory is still 157.3MB. Free memory was 107.4MB in the beginning and 96.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 627.72ms. Allocated memory is still 157.3MB. Free memory was 95.9MB in the beginning and 123.9MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 31.55ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 122.5MB in the end (delta: 1.4MB). 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 - CounterExampleResult [Line: 554]: integer overflow possible integer overflow possible We found a FailurePath: [L548] int* x = __builtin_alloca (sizeof(int)); [L549] *x = __VERIFIER_nondet_int() [L550] EXPR \read(*x) VAL [\read(*x)=-715827883, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] [L550] COND TRUE *x <= 1000 [L551] COND FALSE !(__VERIFIER_nondet_int()) [L554] EXPR \read(*x) VAL [\read(*x)=-715827883, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] [L554] - 3 * (*x) VAL [\read(*x)=-715827883, __builtin_alloca (sizeof(int))={2:0}, x={2:0}] - UnprovableResult [Line: 552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 554]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 41 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 21 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 38 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2023-02-14 02:56:47,844 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)