./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ms1f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a31fd051 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/array-fpi/ms1f.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 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f --- Real Ultimate output --- This is Ultimate 0.2.2-?-a31fd05 [2023-02-15 10:04:03,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 10:04:03,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 10:04:03,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 10:04:03,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 10:04:03,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 10:04:03,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 10:04:03,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 10:04:03,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 10:04:03,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 10:04:03,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 10:04:03,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 10:04:03,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 10:04:03,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 10:04:03,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 10:04:03,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 10:04:03,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 10:04:03,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 10:04:03,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 10:04:03,103 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 10:04:03,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 10:04:03,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 10:04:03,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 10:04:03,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 10:04:03,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 10:04:03,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 10:04:03,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 10:04:03,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 10:04:03,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 10:04:03,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 10:04:03,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 10:04:03,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 10:04:03,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 10:04:03,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 10:04:03,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 10:04:03,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 10:04:03,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 10:04:03,124 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 10:04:03,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 10:04:03,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 10:04:03,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 10:04:03,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-02-15 10:04:03,143 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 10:04:03,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 10:04:03,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 10:04:03,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 10:04:03,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 10:04:03,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 10:04:03,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 10:04:03,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 10:04:03,145 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 10:04:03,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 10:04:03,146 INFO L138 SettingsManager]: * sizeof long=4 [2023-02-15 10:04:03,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 10:04:03,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-02-15 10:04:03,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 10:04:03,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-02-15 10:04:03,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 10:04:03,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-02-15 10:04:03,147 INFO L138 SettingsManager]: * sizeof long double=12 [2023-02-15 10:04:03,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-15 10:04:03,147 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 10:04:03,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-02-15 10:04:03,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 10:04:03,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 10:04:03,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 10:04:03,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:04:03,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 10:04:03,148 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 10:04:03,148 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-02-15 10:04:03,148 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 10:04:03,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 10:04:03,149 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 10:04:03,149 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-02-15 10:04:03,149 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 10:04:03,149 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 10:04:03,149 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 10:04:03,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f [2023-02-15 10:04:03,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 10:04:03,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 10:04:03,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 10:04:03,351 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 10:04:03,351 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 10:04:03,352 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms1f.c [2023-02-15 10:04:04,274 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 10:04:04,415 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 10:04:04,416 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c [2023-02-15 10:04:04,423 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41eb47f1/5d121d5d027740ba9d70b2bcd3f36812/FLAG13055989a [2023-02-15 10:04:04,432 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b41eb47f1/5d121d5d027740ba9d70b2bcd3f36812 [2023-02-15 10:04:04,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 10:04:04,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 10:04:04,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 10:04:04,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 10:04:04,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 10:04:04,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295c42f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04, skipping insertion in model container [2023-02-15 10:04:04,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 10:04:04,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 10:04:04,535 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/array-fpi/ms1f.c[587,600] [2023-02-15 10:04:04,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:04:04,554 INFO L203 MainTranslator]: Completed pre-run [2023-02-15 10:04:04,565 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/array-fpi/ms1f.c[587,600] [2023-02-15 10:04:04,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-15 10:04:04,587 INFO L208 MainTranslator]: Completed translation [2023-02-15 10:04:04,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04 WrapperNode [2023-02-15 10:04:04,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 10:04:04,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-15 10:04:04,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-15 10:04:04,589 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-15 10:04:04,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,619 INFO L138 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-02-15 10:04:04,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-15 10:04:04,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-15 10:04:04,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-15 10:04:04,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-15 10:04:04,625 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-15 10:04:04,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-15 10:04:04,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-15 10:04:04,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-15 10:04:04,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (1/1) ... [2023-02-15 10:04:04,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 10:04:04,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-15 10:04:04,659 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 10:04:04,667 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 10:04:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-02-15 10:04:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-02-15 10:04:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-02-15 10:04:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-02-15 10:04:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-02-15 10:04:04,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-15 10:04:04,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-15 10:04:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-02-15 10:04:04,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-02-15 10:04:04,731 INFO L235 CfgBuilder]: Building ICFG [2023-02-15 10:04:04,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-15 10:04:04,822 INFO L276 CfgBuilder]: Performing block encoding [2023-02-15 10:04:04,826 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-15 10:04:04,826 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2023-02-15 10:04:04,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:04:04 BoogieIcfgContainer [2023-02-15 10:04:04,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-15 10:04:04,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-02-15 10:04:04,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-02-15 10:04:04,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-02-15 10:04:04,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.02 10:04:04" (1/3) ... [2023-02-15 10:04:04,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3007209c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:04:04, skipping insertion in model container [2023-02-15 10:04:04,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:04:04" (2/3) ... [2023-02-15 10:04:04,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3007209c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.02 10:04:04, skipping insertion in model container [2023-02-15 10:04:04,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:04:04" (3/3) ... [2023-02-15 10:04:04,833 INFO L112 eAbstractionObserver]: Analyzing ICFG ms1f.c [2023-02-15 10:04:04,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-02-15 10:04:04,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-02-15 10:04:04,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-02-15 10:04:04,879 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;@9a732a4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-02-15 10:04:04,880 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-02-15 10:04:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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 10:04:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 10:04:04,886 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:04:04,886 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:04:04,887 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:04:04,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:04:04,890 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2023-02-15 10:04:04,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:04:04,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566064398] [2023-02-15 10:04:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:04:04,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:04:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:04:05,000 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 10:04:05,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:04:05,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566064398] [2023-02-15 10:04:05,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566064398] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:04:05,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:04:05,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-02-15 10:04:05,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11686887] [2023-02-15 10:04:05,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:04:05,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-02-15 10:04:05,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:04:05,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-02-15 10:04:05,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 10:04:05,042 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 10:04:05,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:04:05,055 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2023-02-15 10:04:05,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-02-15 10:04:05,057 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2023-02-15 10:04:05,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:04:05,062 INFO L225 Difference]: With dead ends: 34 [2023-02-15 10:04:05,062 INFO L226 Difference]: Without dead ends: 15 [2023-02-15 10:04:05,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-02-15 10:04:05,068 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 10:04:05,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 10:04:05,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2023-02-15 10:04:05,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-02-15 10:04:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-15 10:04:05,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-02-15 10:04:05,103 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2023-02-15 10:04:05,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:04:05,104 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-02-15 10:04:05,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 10:04:05,104 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-02-15 10:04:05,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-02-15 10:04:05,105 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:04:05,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:04:05,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-02-15 10:04:05,106 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:04:05,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:04:05,108 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2023-02-15 10:04:05,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:04:05,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077173522] [2023-02-15 10:04:05,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:04:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:04:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-15 10:04:05,247 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 10:04:05,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-02-15 10:04:05,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077173522] [2023-02-15 10:04:05,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077173522] provided 1 perfect and 0 imperfect interpolant sequences [2023-02-15 10:04:05,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-02-15 10:04:05,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-02-15 10:04:05,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437583094] [2023-02-15 10:04:05,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-02-15 10:04:05,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-02-15 10:04:05,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-02-15 10:04:05,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-02-15 10:04:05,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 10:04:05,250 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 10:04:05,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-02-15 10:04:05,282 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2023-02-15 10:04:05,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-02-15 10:04:05,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11 [2023-02-15 10:04:05,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-02-15 10:04:05,283 INFO L225 Difference]: With dead ends: 28 [2023-02-15 10:04:05,284 INFO L226 Difference]: Without dead ends: 20 [2023-02-15 10:04:05,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-02-15 10:04:05,285 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 20 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-02-15 10:04:05,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-02-15 10:04:05,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-02-15 10:04:05,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2023-02-15 10:04:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 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 10:04:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2023-02-15 10:04:05,289 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2023-02-15 10:04:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-02-15 10:04:05,289 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2023-02-15 10:04:05,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 10:04:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-02-15 10:04:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-02-15 10:04:05,290 INFO L187 NwaCegarLoop]: Found error trace [2023-02-15 10:04:05,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-02-15 10:04:05,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-02-15 10:04:05,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-02-15 10:04:05,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-15 10:04:05,291 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2023-02-15 10:04:05,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-15 10:04:05,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520203994] [2023-02-15 10:04:05,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-15 10:04:05,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-15 10:04:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:04:05,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-15 10:04:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-15 10:04:05,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-15 10:04:05,345 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-02-15 10:04:05,346 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-02-15 10:04:05,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-02-15 10:04:05,349 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-02-15 10:04:05,352 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-02-15 10:04:05,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.02 10:04:05 BoogieIcfgContainer [2023-02-15 10:04:05,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-02-15 10:04:05,374 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-15 10:04:05,374 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-15 10:04:05,374 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-15 10:04:05,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.02 10:04:04" (3/4) ... [2023-02-15 10:04:05,376 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-02-15 10:04:05,413 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-02-15 10:04:05,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-15 10:04:05,413 INFO L158 Benchmark]: Toolchain (without parser) took 978.99ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 99.7MB in the beginning and 129.3MB in the end (delta: -29.6MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-02-15 10:04:05,414 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:04:05,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.59ms. Allocated memory is still 132.1MB. Free memory was 99.3MB in the beginning and 88.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:04:05,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.90ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 87.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:04:05,414 INFO L158 Benchmark]: Boogie Preprocessor took 14.34ms. Allocated memory is still 132.1MB. Free memory was 87.0MB in the beginning and 85.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:04:05,414 INFO L158 Benchmark]: RCFGBuilder took 192.99ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 74.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-02-15 10:04:05,415 INFO L158 Benchmark]: TraceAbstraction took 543.54ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 74.1MB in the beginning and 131.4MB in the end (delta: -57.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 10:04:05,415 INFO L158 Benchmark]: Witness Printer took 39.24ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-15 10:04:05,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 132.1MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.59ms. Allocated memory is still 132.1MB. Free memory was 99.3MB in the beginning and 88.7MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.90ms. Allocated memory is still 132.1MB. Free memory was 88.7MB in the beginning and 87.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 14.34ms. Allocated memory is still 132.1MB. Free memory was 87.0MB in the beginning and 85.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 192.99ms. Allocated memory is still 132.1MB. Free memory was 85.7MB in the beginning and 74.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 543.54ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 74.1MB in the beginning and 131.4MB in the end (delta: -57.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.24ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 129.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] int sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [a={-1:0}, i=0, N=1, sum={8:0}] [L31] COND TRUE i