./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 35987657 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-?-3598765 [2022-07-20 22:08:48,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 22:08:48,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 22:08:48,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 22:08:48,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 22:08:48,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 22:08:48,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 22:08:48,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 22:08:48,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 22:08:48,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 22:08:48,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 22:08:48,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 22:08:48,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 22:08:48,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 22:08:48,761 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 22:08:48,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 22:08:48,765 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 22:08:48,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 22:08:48,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 22:08:48,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 22:08:48,776 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 22:08:48,777 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 22:08:48,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 22:08:48,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 22:08:48,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 22:08:48,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 22:08:48,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 22:08:48,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 22:08:48,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 22:08:48,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 22:08:48,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 22:08:48,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 22:08:48,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 22:08:48,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 22:08:48,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 22:08:48,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 22:08:48,793 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 22:08:48,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 22:08:48,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 22:08:48,794 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 22:08:48,795 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 22:08:48,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 22:08:48,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-20 22:08:48,826 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 22:08:48,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 22:08:48,827 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 22:08:48,827 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 22:08:48,828 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 22:08:48,828 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 22:08:48,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 22:08:48,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 22:08:48,830 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 22:08:48,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 22:08:48,831 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-20 22:08:48,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 22:08:48,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-20 22:08:48,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 22:08:48,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 22:08:48,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 22:08:48,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 22:08:48,832 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-20 22:08:48,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 22:08:48,832 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 22:08:48,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 22:08:48,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 22:08:48,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 22:08:48,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 22:08:48,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:08:48,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 22:08:48,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 22:08:48,834 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 22:08:48,834 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 22:08:48,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 22:08:48,835 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 22:08:48,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 22:08:48,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 22:08:48,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d53d0c5140132772dbe7b2411a0e5f61e1871ba1484fe3a275622a831eef23f [2022-07-20 22:08:49,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 22:08:49,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 22:08:49,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 22:08:49,108 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 22:08:49,111 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 22:08:49,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms1f.c [2022-07-20 22:08:49,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca937d918/dc73268cd5b7413d8d0d42ef49f0c6d9/FLAGfe8549ad3 [2022-07-20 22:08:49,599 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 22:08:49,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c [2022-07-20 22:08:49,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca937d918/dc73268cd5b7413d8d0d42ef49f0c6d9/FLAGfe8549ad3 [2022-07-20 22:08:49,615 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca937d918/dc73268cd5b7413d8d0d42ef49f0c6d9 [2022-07-20 22:08:49,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 22:08:49,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 22:08:49,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 22:08:49,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 22:08:49,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 22:08:49,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d4de346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49, skipping insertion in model container [2022-07-20 22:08:49,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 22:08:49,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 22:08:49,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c[587,600] [2022-07-20 22:08:49,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:08:49,800 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 22:08:49,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms1f.c[587,600] [2022-07-20 22:08:49,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 22:08:49,838 INFO L208 MainTranslator]: Completed translation [2022-07-20 22:08:49,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49 WrapperNode [2022-07-20 22:08:49,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 22:08:49,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 22:08:49,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 22:08:49,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 22:08:49,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,885 INFO L137 Inliner]: procedures = 17, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-07-20 22:08:49,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 22:08:49,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 22:08:49,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 22:08:49,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 22:08:49,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,894 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 22:08:49,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 22:08:49,905 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 22:08:49,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 22:08:49,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (1/1) ... [2022-07-20 22:08:49,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 22:08:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 22:08:49,941 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) [2022-07-20 22:08:49,956 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 [2022-07-20 22:08:49,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 22:08:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 22:08:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 22:08:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 22:08:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 22:08:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 22:08:49,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 22:08:49,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 22:08:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 22:08:50,032 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 22:08:50,033 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 22:08:50,214 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 22:08:50,219 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 22:08:50,219 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-20 22:08:50,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:08:50 BoogieIcfgContainer [2022-07-20 22:08:50,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 22:08:50,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 22:08:50,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 22:08:50,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 22:08:50,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:08:49" (1/3) ... [2022-07-20 22:08:50,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b63d6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:08:50, skipping insertion in model container [2022-07-20 22:08:50,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:08:49" (2/3) ... [2022-07-20 22:08:50,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b63d6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:08:50, skipping insertion in model container [2022-07-20 22:08:50,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:08:50" (3/3) ... [2022-07-20 22:08:50,227 INFO L111 eAbstractionObserver]: Analyzing ICFG ms1f.c [2022-07-20 22:08:50,239 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 22:08:50,239 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 22:08:50,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 22:08:50,298 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@673324ee, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4b5c45e2 [2022-07-20 22:08:50,299 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 22:08:50,311 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) [2022-07-20 22:08:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-20 22:08:50,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:08:50,318 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:08:50,319 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:08:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:08:50,328 INFO L85 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2022-07-20 22:08:50,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:08:50,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467992930] [2022-07-20 22:08:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:08:50,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:08:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:08:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:08:50,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:08:50,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467992930] [2022-07-20 22:08:50,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467992930] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:08:50,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:08:50,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-20 22:08:50,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217948836] [2022-07-20 22:08:50,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:08:50,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-20 22:08:50,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:08:50,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-20 22:08:50,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-20 22:08:50,537 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) [2022-07-20 22:08:50,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:08:50,552 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2022-07-20 22:08:50,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-20 22:08:50,555 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 [2022-07-20 22:08:50,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:08:50,561 INFO L225 Difference]: With dead ends: 34 [2022-07-20 22:08:50,561 INFO L226 Difference]: Without dead ends: 15 [2022-07-20 22:08:50,565 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 [2022-07-20 22:08:50,572 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 [2022-07-20 22:08:50,573 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] [2022-07-20 22:08:50,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-07-20 22:08:50,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-07-20 22:08:50,600 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) [2022-07-20 22:08:50,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-07-20 22:08:50,601 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2022-07-20 22:08:50,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:08:50,602 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-07-20 22:08:50,603 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) [2022-07-20 22:08:50,603 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2022-07-20 22:08:50,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-07-20 22:08:50,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:08:50,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:08:50,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 22:08:50,604 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:08:50,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:08:50,607 INFO L85 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2022-07-20 22:08:50,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:08:50,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314910240] [2022-07-20 22:08:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:08:50,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:08:50,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 22:08:50,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-20 22:08:50,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 22:08:50,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314910240] [2022-07-20 22:08:50,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314910240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 22:08:50,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 22:08:50,688 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 22:08:50,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239248882] [2022-07-20 22:08:50,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 22:08:50,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 22:08:50,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 22:08:50,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 22:08:50,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-07-20 22:08:50,691 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) [2022-07-20 22:08:50,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 22:08:50,728 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2022-07-20 22:08:50,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 22:08:50,729 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 [2022-07-20 22:08:50,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 22:08:50,730 INFO L225 Difference]: With dead ends: 28 [2022-07-20 22:08:50,730 INFO L226 Difference]: Without dead ends: 20 [2022-07-20 22:08:50,730 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 [2022-07-20 22:08:50,731 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 22:08:50,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 11 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 22:08:50,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-07-20 22:08:50,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-07-20 22:08:50,736 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) [2022-07-20 22:08:50,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-07-20 22:08:50,737 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2022-07-20 22:08:50,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 22:08:50,737 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-07-20 22:08:50,738 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) [2022-07-20 22:08:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-07-20 22:08:50,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-20 22:08:50,738 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 22:08:50,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 22:08:50,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 22:08:50,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 22:08:50,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 22:08:50,740 INFO L85 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2022-07-20 22:08:50,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 22:08:50,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40885187] [2022-07-20 22:08:50,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 22:08:50,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 22:08:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:08:50,776 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-20 22:08:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-20 22:08:50,818 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-20 22:08:50,819 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-20 22:08:50,820 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-20 22:08:50,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 22:08:50,824 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-20 22:08:50,827 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-20 22:08:50,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:08:50 BoogieIcfgContainer [2022-07-20 22:08:50,849 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-20 22:08:50,849 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-20 22:08:50,849 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-20 22:08:50,850 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-20 22:08:50,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:08:50" (3/4) ... [2022-07-20 22:08:50,851 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-20 22:08:50,885 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-20 22:08:50,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-20 22:08:50,886 INFO L158 Benchmark]: Toolchain (without parser) took 1267.41ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 53.9MB in the beginning and 69.4MB in the end (delta: -15.6MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2022-07-20 22:08:50,886 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:08:50,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.35ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 67.9MB in the end (delta: -14.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-07-20 22:08:50,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.37ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 66.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 22:08:50,887 INFO L158 Benchmark]: Boogie Preprocessor took 16.51ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 65.1MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-20 22:08:50,887 INFO L158 Benchmark]: RCFGBuilder took 316.61ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 54.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-20 22:08:50,888 INFO L158 Benchmark]: TraceAbstraction took 627.04ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 72.3MB in the end (delta: -18.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2022-07-20 22:08:50,888 INFO L158 Benchmark]: Witness Printer took 35.84ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 69.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-20 22:08:50,890 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.35ms. Allocated memory is still 92.3MB. Free memory was 53.7MB in the beginning and 67.9MB in the end (delta: -14.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.37ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 66.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.51ms. Allocated memory is still 92.3MB. Free memory was 66.2MB in the beginning and 65.1MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 316.61ms. Allocated memory is still 92.3MB. Free memory was 65.1MB in the beginning and 54.9MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 627.04ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 54.3MB in the beginning and 72.3MB in the end (delta: -18.0MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 35.84ms. Allocated memory is still 119.5MB. Free memory was 71.5MB in the beginning and 69.4MB 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