./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina4f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/sina4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE --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 4e568115ab37514ce4d1cc7d9471baa0668b07bc729fc18b545852f01c4086e0 .................................................................................................................................................................................................................................................................................................................................................................................. 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-dev-e943c26 [2021-10-24 11:09:24,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:09:24,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:09:24,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:09:24,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:09:24,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:09:24,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:09:24,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:09:24,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:09:24,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:09:24,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:09:24,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:09:24,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:09:24,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:09:24,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:09:24,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:09:24,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:09:24,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:09:24,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:09:24,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:09:24,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:09:24,314 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:09:24,315 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:09:24,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:09:24,320 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:09:24,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:09:24,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:09:24,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:09:24,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:09:24,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:09:24,324 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:09:24,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:09:24,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:09:24,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:09:24,329 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:09:24,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:09:24,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:09:24,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:09:24,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:09:24,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:09:24,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:09:24,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 11:09:24,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:09:24,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:09:24,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:09:24,362 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:09:24,362 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:09:24,362 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:09:24,363 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:09:24,363 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:09:24,363 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:09:24,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:09:24,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:09:24,364 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:09:24,364 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:09:24,364 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:09:24,364 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:09:24,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:09:24,365 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:09:24,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:09:24,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:09:24,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:09:24,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:09:24,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:09:24,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:09:24,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 11:09:24,367 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:09:24,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:09:24,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:09:24,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:09:24,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:09:24,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:09:24,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:09:24,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:09:24,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:09:24,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:09:24,370 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:09:24,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:09:24,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:09:24,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:09:24,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:09:24,371 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_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e568115ab37514ce4d1cc7d9471baa0668b07bc729fc18b545852f01c4086e0 [2021-10-24 11:09:24,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:09:24,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:09:24,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:09:24,684 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:09:24,685 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:09:24,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/array-fpi/sina4f.c [2021-10-24 11:09:24,783 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/data/5707b11e1/3719174bb1e142a69799a855bfdc2e87/FLAG48607c41d [2021-10-24 11:09:25,284 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:09:25,284 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/sv-benchmarks/c/array-fpi/sina4f.c [2021-10-24 11:09:25,299 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/data/5707b11e1/3719174bb1e142a69799a855bfdc2e87/FLAG48607c41d [2021-10-24 11:09:25,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/data/5707b11e1/3719174bb1e142a69799a855bfdc2e87 [2021-10-24 11:09:25,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:09:25,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:09:25,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:09:25,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:09:25,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:09:25,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149c77dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25, skipping insertion in model container [2021-10-24 11:09:25,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:09:25,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:09:25,811 WARN L228 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_777752be-8b95-4ef0-8a71-5d17d8aa88f0/sv-benchmarks/c/array-fpi/sina4f.c[589,602] [2021-10-24 11:09:25,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:09:25,843 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:09:25,856 WARN L228 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_777752be-8b95-4ef0-8a71-5d17d8aa88f0/sv-benchmarks/c/array-fpi/sina4f.c[589,602] [2021-10-24 11:09:25,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:09:25,879 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:09:25,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25 WrapperNode [2021-10-24 11:09:25,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:09:25,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:09:25,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:09:25,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:09:25,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,897 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:09:25,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:09:25,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:09:25,920 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:09:25,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:09:25,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:09:25,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:09:25,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:09:25,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (1/1) ... [2021-10-24 11:09:25,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:09:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:09:25,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:09:25,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:09:26,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 11:09:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:09:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-24 11:09:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-24 11:09:26,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:09:26,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:09:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-24 11:09:26,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 11:09:26,461 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:09:26,462 INFO L299 CfgBuilder]: Removed 13 assume(true) statements. [2021-10-24 11:09:26,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:26 BoogieIcfgContainer [2021-10-24 11:09:26,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:09:26,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:09:26,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:09:26,483 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:09:26,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:09:25" (1/3) ... [2021-10-24 11:09:26,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3448119e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:26, skipping insertion in model container [2021-10-24 11:09:26,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:09:25" (2/3) ... [2021-10-24 11:09:26,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3448119e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:26, skipping insertion in model container [2021-10-24 11:09:26,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:26" (3/3) ... [2021-10-24 11:09:26,487 INFO L111 eAbstractionObserver]: Analyzing ICFG sina4f.c [2021-10-24 11:09:26,493 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:09:26,507 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 11:09:26,594 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:09:26,606 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, mAutomataTypeConcurrency=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 [2021-10-24 11:09:26,608 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 11:09:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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) [2021-10-24 11:09:26,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-24 11:09:26,635 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:26,635 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:26,636 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:09:26,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:26,653 INFO L82 PathProgramCache]: Analyzing trace with hash -155408202, now seen corresponding path program 1 times [2021-10-24 11:09:26,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:09:26,667 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281203629] [2021-10-24 11:09:26,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:26,669 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:09:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:09:26,929 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:09:26,929 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281203629] [2021-10-24 11:09:26,930 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281203629] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:26,931 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:26,931 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:09:26,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321135697] [2021-10-24 11:09:26,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:09:26,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:09:26,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:09:26,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:09:26,954 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 12 states have internal predecessors, (19), 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 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-24 11:09:27,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:27,001 INFO L93 Difference]: Finished difference Result 24 states and 35 transitions. [2021-10-24 11:09:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:09:27,003 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2021-10-24 11:09:27,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:27,013 INFO L225 Difference]: With dead ends: 24 [2021-10-24 11:09:27,014 INFO L226 Difference]: Without dead ends: 12 [2021-10-24 11:09:27,017 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:09:27,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-10-24 11:09:27,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-24 11:09:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-10-24 11:09:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2021-10-24 11:09:27,047 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 16 transitions. Word has length 9 [2021-10-24 11:09:27,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:27,048 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-24 11:09:27,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2021-10-24 11:09:27,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-10-24 11:09:27,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-24 11:09:27,049 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:27,049 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:27,050 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 11:09:27,050 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:09:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:27,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1655315069, now seen corresponding path program 1 times [2021-10-24 11:09:27,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:09:27,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348271676] [2021-10-24 11:09:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:27,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:09:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:09:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-24 11:09:27,112 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:09:27,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348271676] [2021-10-24 11:09:27,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348271676] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:09:27,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:09:27,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-24 11:09:27,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063825793] [2021-10-24 11:09:27,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-24 11:09:27,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:09:27,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-24 11:09:27,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:09:27,117 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-10-24 11:09:27,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:09:27,157 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2021-10-24 11:09:27,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-24 11:09:27,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2021-10-24 11:09:27,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:09:27,159 INFO L225 Difference]: With dead ends: 27 [2021-10-24 11:09:27,159 INFO L226 Difference]: Without dead ends: 20 [2021-10-24 11:09:27,160 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-24 11:09:27,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-24 11:09:27,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-10-24 11:09:27,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2021-10-24 11:09:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-10-24 11:09:27,165 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 19 transitions. Word has length 10 [2021-10-24 11:09:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:09:27,165 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-10-24 11:09:27,165 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2021-10-24 11:09:27,166 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2021-10-24 11:09:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-24 11:09:27,166 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:09:27,166 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:09:27,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 11:09:27,167 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 11:09:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:09:27,168 INFO L82 PathProgramCache]: Analyzing trace with hash -165518152, now seen corresponding path program 1 times [2021-10-24 11:09:27,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:09:27,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983214312] [2021-10-24 11:09:27,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:09:27,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:09:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:09:27,230 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 11:09:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:09:27,352 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 11:09:27,353 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 11:09:27,354 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 11:09:27,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 11:09:27,363 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:09:27,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:09:27 BoogieIcfgContainer [2021-10-24 11:09:27,413 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:09:27,414 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:09:27,414 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:09:27,415 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:09:27,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:26" (3/4) ... [2021-10-24 11:09:27,418 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 11:09:27,504 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_777752be-8b95-4ef0-8a71-5d17d8aa88f0/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:09:27,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:09:27,506 INFO L168 Benchmark]: Toolchain (without parser) took 1881.27 ms. Allocated memory is still 130.0 MB. Free memory was 95.5 MB in the beginning and 46.7 MB in the end (delta: 48.8 MB). Peak memory consumption was 47.3 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:27,507 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:09:27,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.05 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 106.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:27,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 130.0 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:27,508 INFO L168 Benchmark]: Boogie Preprocessor took 28.33 ms. Allocated memory is still 130.0 MB. Free memory was 103.9 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:09:27,509 INFO L168 Benchmark]: RCFGBuilder took 509.51 ms. Allocated memory is still 130.0 MB. Free memory was 102.7 MB in the beginning and 86.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:27,509 INFO L168 Benchmark]: TraceAbstraction took 946.26 ms. Allocated memory is still 130.0 MB. Free memory was 85.9 MB in the beginning and 49.4 MB in the end (delta: 36.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:27,510 INFO L168 Benchmark]: Witness Printer took 90.63 ms. Allocated memory is still 130.0 MB. Free memory was 49.4 MB in the beginning and 46.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:09:27,524 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 54.6 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.05 ms. Allocated memory is still 130.0 MB. Free memory was 95.3 MB in the beginning and 106.0 MB in the end (delta: -10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 130.0 MB. Free memory was 106.0 MB in the beginning and 103.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.33 ms. Allocated memory is still 130.0 MB. Free memory was 103.9 MB in the beginning and 102.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 509.51 ms. Allocated memory is still 130.0 MB. Free memory was 102.7 MB in the beginning and 86.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 946.26 ms. Allocated memory is still 130.0 MB. Free memory was 85.9 MB in the beginning and 49.4 MB in the end (delta: 36.5 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 90.63 ms. Allocated memory is still 130.0 MB. Free memory was 49.4 MB in the beginning and 46.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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; [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); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [N=1] [L33] COND TRUE i