./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-fpi/ms3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/ms3f.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 d41fc8f45d6677615383aa59c803c310c6c67fce ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 02:16:00,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 02:16:00,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 02:16:00,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 02:16:00,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 02:16:00,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 02:16:00,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 02:16:00,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 02:16:00,455 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 02:16:00,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 02:16:00,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 02:16:00,469 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 02:16:00,469 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 02:16:00,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 02:16:00,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 02:16:00,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 02:16:00,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 02:16:00,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 02:16:00,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 02:16:00,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 02:16:00,494 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 02:16:00,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 02:16:00,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 02:16:00,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 02:16:00,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 02:16:00,513 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 02:16:00,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 02:16:00,514 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 02:16:00,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 02:16:00,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 02:16:00,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 02:16:00,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 02:16:00,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 02:16:00,518 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 02:16:00,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 02:16:00,519 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 02:16:00,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 02:16:00,519 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 02:16:00,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 02:16:00,521 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 02:16:00,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 02:16:00,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 02:16:00,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 02:16:00,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 02:16:00,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 02:16:00,544 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 02:16:00,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 02:16:00,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 02:16:00,545 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 02:16:00,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 02:16:00,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 02:16:00,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 02:16:00,546 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 02:16:00,546 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 02:16:00,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 02:16:00,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 02:16:00,547 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 02:16:00,547 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 02:16:00,547 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 02:16:00,547 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 02:16:00,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 02:16:00,548 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 02:16:00,548 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 02:16:00,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 02:16:00,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 02:16:00,549 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 02:16:00,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 02:16:00,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 02:16:00,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 02:16:00,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 02:16:00,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 02:16:00,550 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 02:16:00,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d41fc8f45d6677615383aa59c803c310c6c67fce [2021-08-29 02:16:01,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 02:16:01,065 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 02:16:01,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 02:16:01,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 02:16:01,071 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 02:16:01,073 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-fpi/ms3f.c [2021-08-29 02:16:01,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756ce4a8a/7437b2b683fe4d9296ecb41b87a2ac95/FLAGf35ec9e66 [2021-08-29 02:16:01,877 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 02:16:01,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-fpi/ms3f.c [2021-08-29 02:16:01,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756ce4a8a/7437b2b683fe4d9296ecb41b87a2ac95/FLAGf35ec9e66 [2021-08-29 02:16:01,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/756ce4a8a/7437b2b683fe4d9296ecb41b87a2ac95 [2021-08-29 02:16:01,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 02:16:01,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 02:16:01,969 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 02:16:01,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 02:16:01,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 02:16:01,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:16:01" (1/1) ... [2021-08-29 02:16:01,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16624d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:01, skipping insertion in model container [2021-08-29 02:16:01,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 02:16:01" (1/1) ... [2021-08-29 02:16:01,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 02:16:02,014 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 02:16:02,292 WARN L228 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/ms3f.c[587,600] [2021-08-29 02:16:02,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 02:16:02,336 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 02:16:02,369 WARN L228 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/ms3f.c[587,600] [2021-08-29 02:16:02,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 02:16:02,427 INFO L208 MainTranslator]: Completed translation [2021-08-29 02:16:02,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02 WrapperNode [2021-08-29 02:16:02,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 02:16:02,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 02:16:02,452 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 02:16:02,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 02:16:02,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 02:16:02,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 02:16:02,534 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 02:16:02,534 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 02:16:02,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 02:16:02,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 02:16:02,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 02:16:02,617 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 02:16:02,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (1/1) ... [2021-08-29 02:16:02,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 02:16:02,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 02:16:02,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 02:16:02,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 02:16:02,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 02:16:02,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 02:16:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-29 02:16:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-08-29 02:16:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 02:16:02,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 02:16:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-29 02:16:02,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-29 02:16:02,994 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 02:16:02,994 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-08-29 02:16:02,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:16:02 BoogieIcfgContainer [2021-08-29 02:16:02,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 02:16:02,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 02:16:02,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 02:16:03,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 02:16:03,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 02:16:01" (1/3) ... [2021-08-29 02:16:03,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b501bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:16:03, skipping insertion in model container [2021-08-29 02:16:03,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 02:16:02" (2/3) ... [2021-08-29 02:16:03,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b501bb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 02:16:03, skipping insertion in model container [2021-08-29 02:16:03,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:16:02" (3/3) ... [2021-08-29 02:16:03,009 INFO L111 eAbstractionObserver]: Analyzing ICFG ms3f.c [2021-08-29 02:16:03,013 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 02:16:03,025 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 02:16:03,086 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 02:16:03,095 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 02:16:03,095 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 02:16:03,112 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) [2021-08-29 02:16:03,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 02:16:03,120 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 02:16:03,120 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 02:16:03,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 02:16:03,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 02:16:03,127 INFO L82 PathProgramCache]: Analyzing trace with hash 356661439, now seen corresponding path program 1 times [2021-08-29 02:16:03,141 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 02:16:03,141 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066467438] [2021-08-29 02:16:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 02:16:03,143 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 02:16:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 02:16:03,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 02:16:03,335 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 02:16:03,335 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066467438] [2021-08-29 02:16:03,336 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066467438] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 02:16:03,336 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 02:16:03,336 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 02:16:03,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530773043] [2021-08-29 02:16:03,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 02:16:03,342 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 02:16:03,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 02:16:03,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 02:16:03,380 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) [2021-08-29 02:16:03,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 02:16:03,443 INFO L93 Difference]: Finished difference Result 34 states and 46 transitions. [2021-08-29 02:16:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 02:16:03,445 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 [2021-08-29 02:16:03,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 02:16:03,452 INFO L225 Difference]: With dead ends: 34 [2021-08-29 02:16:03,452 INFO L226 Difference]: Without dead ends: 15 [2021-08-29 02:16:03,455 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.04ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 02:16:03,458 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.84ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.36ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.79ms IncrementalHoareTripleChecker+Time [2021-08-29 02:16:03,459 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 22 Unknown, 0 Unchecked, 0.36ms Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 47.79ms Time] [2021-08-29 02:16:03,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-08-29 02:16:03,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-08-29 02:16:03,485 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) [2021-08-29 02:16:03,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-08-29 02:16:03,486 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2021-08-29 02:16:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 02:16:03,487 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-08-29 02:16:03,487 INFO L471 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) [2021-08-29 02:16:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-08-29 02:16:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-08-29 02:16:03,488 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 02:16:03,488 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 02:16:03,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 02:16:03,489 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 02:16:03,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 02:16:03,489 INFO L82 PathProgramCache]: Analyzing trace with hash -452685187, now seen corresponding path program 1 times [2021-08-29 02:16:03,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 02:16:03,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002826516] [2021-08-29 02:16:03,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 02:16:03,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 02:16:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 02:16:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 02:16:03,550 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 02:16:03,550 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002826516] [2021-08-29 02:16:03,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002826516] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 02:16:03,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 02:16:03,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-29 02:16:03,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646871938] [2021-08-29 02:16:03,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 02:16:03,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 02:16:03,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 02:16:03,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 02:16:03,553 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) [2021-08-29 02:16:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 02:16:03,596 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2021-08-29 02:16:03,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 02:16:03,597 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 [2021-08-29 02:16:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 02:16:03,598 INFO L225 Difference]: With dead ends: 28 [2021-08-29 02:16:03,598 INFO L226 Difference]: Without dead ends: 20 [2021-08-29 02:16:03,598 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.18ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 02:16:03,599 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 19 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.84ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.42ms IncrementalHoareTripleChecker+Time [2021-08-29 02:16:03,600 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 0 Invalid, 37 Unknown, 0 Unchecked, 0.84ms Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 33.42ms Time] [2021-08-29 02:16:03,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-08-29 02:16:03,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-08-29 02:16:03,604 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) [2021-08-29 02:16:03,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-08-29 02:16:03,605 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2021-08-29 02:16:03,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 02:16:03,605 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-08-29 02:16:03,606 INFO L471 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) [2021-08-29 02:16:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-08-29 02:16:03,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-08-29 02:16:03,606 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 02:16:03,607 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 02:16:03,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 02:16:03,607 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 02:16:03,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 02:16:03,608 INFO L82 PathProgramCache]: Analyzing trace with hash 623611495, now seen corresponding path program 1 times [2021-08-29 02:16:03,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 02:16:03,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919001104] [2021-08-29 02:16:03,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 02:16:03,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 02:16:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 02:16:03,677 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-29 02:16:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-29 02:16:03,746 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-29 02:16:03,746 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-08-29 02:16:03,747 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 02:16:03,749 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 02:16:03,755 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 02:16:03,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 02:16:03 BoogieIcfgContainer [2021-08-29 02:16:03,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 02:16:03,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 02:16:03,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 02:16:03,781 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 02:16:03,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 02:16:02" (3/4) ... [2021-08-29 02:16:03,783 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-29 02:16:03,817 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 02:16:03,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 02:16:03,818 INFO L158 Benchmark]: Toolchain (without parser) took 1909.82ms. Allocated memory was 48.2MB in the beginning and 73.4MB in the end (delta: 25.2MB). Free memory was 24.1MB in the beginning and 47.4MB in the end (delta: -23.3MB). Peak memory consumption was 1.9MB. Max. memory is 16.1GB. [2021-08-29 02:16:03,818 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 02:16:03,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.27ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.9MB in the beginning and 43.2MB in the end (delta: -19.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-08-29 02:16:03,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.73ms. Allocated memory is still 58.7MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 02:16:03,819 INFO L158 Benchmark]: Boogie Preprocessor took 81.79ms. Allocated memory is still 58.7MB. Free memory was 41.6MB in the beginning and 40.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 02:16:03,820 INFO L158 Benchmark]: RCFGBuilder took 380.01ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 41.7MB in the end (delta: -1.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-08-29 02:16:03,820 INFO L158 Benchmark]: TraceAbstraction took 782.25ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 41.4MB in the beginning and 49.8MB in the end (delta: -8.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-08-29 02:16:03,820 INFO L158 Benchmark]: Witness Printer took 36.87ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 47.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 02:16:03,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 48.2MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 481.27ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 23.9MB in the beginning and 43.2MB in the end (delta: -19.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.73ms. Allocated memory is still 58.7MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 81.79ms. Allocated memory is still 58.7MB. Free memory was 41.6MB in the beginning and 40.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 380.01ms. Allocated memory is still 58.7MB. Free memory was 40.1MB in the beginning and 41.7MB in the end (delta: -1.7MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 782.25ms. Allocated memory was 58.7MB in the beginning and 73.4MB in the end (delta: 14.7MB). Free memory was 41.4MB in the beginning and 49.8MB in the end (delta: -8.4MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 36.87ms. Allocated memory is still 73.4MB. Free memory was 49.8MB in the beginning and 47.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms 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) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] i=0 VAL [N=1] [L31] COND TRUE i