./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 25c195ba8f45bf926b5797f815caf7c64c26ab87 ............................................................................................................................................................................................................................................................................................................................................................................................ 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 0.2.0-7b2dab5 [2021-10-11 02:31:27,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:27,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:27,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:27,503 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:27,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:27,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:27,510 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:27,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:27,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:27,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:27,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:27,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:27,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:27,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:27,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:27,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:27,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:27,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:27,532 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:27,534 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:27,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:27,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:27,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:27,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:27,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:27,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:27,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:27,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:27,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:27,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:27,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:27,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:27,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:27,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:27,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:27,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:27,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:27,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:27,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:27,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:27,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:27,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:27,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:27,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:27,617 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:27,617 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:27,618 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:27,618 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:27,618 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:27,618 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:27,619 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:27,620 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:27,620 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:27,620 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:27,621 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:27,621 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:27,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:27,622 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:27,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:27,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:27,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:27,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:27,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:27,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:27,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:27,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:27,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:27,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:27,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:27,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:27,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:27,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:27,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:27,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:27,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:27,627 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:27,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:27,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:27,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:27,628 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:27,628 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25c195ba8f45bf926b5797f815caf7c64c26ab87 [2021-10-11 02:31:28,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:28,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:28,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:28,051 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:28,055 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:28,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/array-fpi/ss4f.c [2021-10-11 02:31:28,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/data/ac25c8861/7234e064c4c34f97a364e513b37fb5d4/FLAG786cc0498 [2021-10-11 02:31:28,804 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:28,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/sv-benchmarks/c/array-fpi/ss4f.c [2021-10-11 02:31:28,819 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/data/ac25c8861/7234e064c4c34f97a364e513b37fb5d4/FLAG786cc0498 [2021-10-11 02:31:29,154 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/data/ac25c8861/7234e064c4c34f97a364e513b37fb5d4 [2021-10-11 02:31:29,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:29,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:29,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:29,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:29,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:29,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2424dde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29, skipping insertion in model container [2021-10-11 02:31:29,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:29,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:29,455 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2021-10-11 02:31:29,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:29,490 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:29,506 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2021-10-11 02:31:29,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:29,535 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:29,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29 WrapperNode [2021-10-11 02:31:29,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:29,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:29,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:29,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:29,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,558 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:29,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:29,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:29,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:29,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,649 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... [2021-10-11 02:31:29,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:29,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:29,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:29,658 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:29,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:31:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:31:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:31:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:31:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:31:30,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:30,513 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-11 02:31:30,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:30 BoogieIcfgContainer [2021-10-11 02:31:30,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:30,517 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:30,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:30,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:30,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:29" (1/3) ... [2021-10-11 02:31:30,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef146e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:30, skipping insertion in model container [2021-10-11 02:31:30,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:29" (2/3) ... [2021-10-11 02:31:30,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef146e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:30, skipping insertion in model container [2021-10-11 02:31:30,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:30" (3/3) ... [2021-10-11 02:31:30,525 INFO L111 eAbstractionObserver]: Analyzing ICFG ss4f.c [2021-10-11 02:31:30,540 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:30,544 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:31:30,556 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:31:30,594 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:30,595 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:30,595 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:30,595 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:30,595 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:30,596 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:30,596 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:30,597 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2021-10-11 02:31:30,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:31:30,619 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:30,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:30,621 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:30,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:30,628 INFO L82 PathProgramCache]: Analyzing trace with hash -18499789, now seen corresponding path program 1 times [2021-10-11 02:31:30,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:30,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306902890] [2021-10-11 02:31:30,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:30,764 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:31:30,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [33203247] [2021-10-11 02:31:30,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:31:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:30,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-11 02:31:30,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:30,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:31:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:31,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306902890] [2021-10-11 02:31:31,018 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:31:31,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33203247] [2021-10-11 02:31:31,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:31,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-11 02:31:31,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772438224] [2021-10-11 02:31:31,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:31,026 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:31:31,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:31,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:31,043 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2021-10-11 02:31:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:31,097 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-10-11 02:31:31,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:31:31,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2021-10-11 02:31:31,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:31,109 INFO L225 Difference]: With dead ends: 22 [2021-10-11 02:31:31,109 INFO L226 Difference]: Without dead ends: 10 [2021-10-11 02:31:31,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-11 02:31:31,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-11 02:31:31,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-10-11 02:31:31,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-11 02:31:31,149 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 13 transitions. Word has length 8 [2021-10-11 02:31:31,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:31,150 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-11 02:31:31,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-10-11 02:31:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:31:31,150 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:31,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:31,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-10-11 02:31:31,367 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:31,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:31,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1032677322, now seen corresponding path program 1 times [2021-10-11 02:31:31,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:31,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194957594] [2021-10-11 02:31:31,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:31,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:31:31,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194957594] [2021-10-11 02:31:31,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:31,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:31:31,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421961806] [2021-10-11 02:31:31,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:31:31,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:31:31,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:31:31,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:31:31,496 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 4 states. [2021-10-11 02:31:31,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:31,562 INFO L93 Difference]: Finished difference Result 18 states and 25 transitions. [2021-10-11 02:31:31,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:31:31,564 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2021-10-11 02:31:31,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:31,565 INFO L225 Difference]: With dead ends: 18 [2021-10-11 02:31:31,565 INFO L226 Difference]: Without dead ends: 13 [2021-10-11 02:31:31,567 INFO L677 BasicCegarLoop]: 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 [2021-10-11 02:31:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-10-11 02:31:31,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-10-11 02:31:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2021-10-11 02:31:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-10-11 02:31:31,572 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-10-11 02:31:31,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:31,573 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-10-11 02:31:31,573 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:31:31,574 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-11 02:31:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:31:31,574 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:31,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:31,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:31:31,575 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:31,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:31,576 INFO L82 PathProgramCache]: Analyzing trace with hash -721748818, now seen corresponding path program 1 times [2021-10-11 02:31:31,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:31,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293905568] [2021-10-11 02:31:31,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:31,626 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-11 02:31:31,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989345661] [2021-10-11 02:31:31,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:31:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:31,712 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:31,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:31,810 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:31:31,811 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:32,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:31:32,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:32 BoogieIcfgContainer [2021-10-11 02:31:32,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:32,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:32,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:32,047 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:32,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:30" (3/4) ... [2021-10-11 02:31:32,050 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:31:32,105 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adca43ce-b80c-4379-a69f-c117118af103/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:32,105 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:32,107 INFO L168 Benchmark]: Toolchain (without parser) took 2945.76 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 47.3 MB in the beginning and 47.9 MB in the end (delta: -536.4 kB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:32,108 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:32,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.62 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 47.2 MB in the beginning and 84.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:32,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 111.1 MB. Free memory was 84.7 MB in the beginning and 83.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:32,110 INFO L168 Benchmark]: Boogie Preprocessor took 65.56 ms. Allocated memory is still 111.1 MB. Free memory was 83.0 MB in the beginning and 81.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:32,111 INFO L168 Benchmark]: RCFGBuilder took 858.22 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 55.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:32,111 INFO L168 Benchmark]: TraceAbstraction took 1528.91 ms. Allocated memory is still 111.1 MB. Free memory was 54.9 MB in the beginning and 50.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:32,112 INFO L168 Benchmark]: Witness Printer took 58.61 ms. Allocated memory is still 111.1 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:32,116 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.62 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 47.2 MB in the beginning and 84.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.27 ms. Allocated memory is still 111.1 MB. Free memory was 84.7 MB in the beginning and 83.0 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.56 ms. Allocated memory is still 111.1 MB. Free memory was 83.0 MB in the beginning and 81.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 858.22 ms. Allocated memory is still 111.1 MB. Free memory was 81.7 MB in the beginning and 55.3 MB in the end (delta: 26.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1528.91 ms. Allocated memory is still 111.1 MB. Free memory was 54.9 MB in the beginning and 50.0 MB in the end (delta: 4.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Witness Printer took 58.61 ms. Allocated memory is still 111.1 MB. Free memory was 50.0 MB in the beginning and 47.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [N=1] [L32] COND TRUE i