./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina2f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-fpi/sina2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8 --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 18a438d9195efc31a76e9f94e16dcade46dcc096 ......................................................................................................................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 08:00:10,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 08:00:10,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 08:00:10,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 08:00:10,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 08:00:10,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 08:00:10,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 08:00:10,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 08:00:10,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 08:00:10,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 08:00:10,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 08:00:10,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 08:00:10,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 08:00:10,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 08:00:10,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 08:00:10,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 08:00:10,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 08:00:10,327 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 08:00:10,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 08:00:10,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 08:00:10,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 08:00:10,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 08:00:10,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 08:00:10,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 08:00:10,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 08:00:10,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 08:00:10,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 08:00:10,344 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 08:00:10,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 08:00:10,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 08:00:10,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 08:00:10,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 08:00:10,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 08:00:10,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 08:00:10,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 08:00:10,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 08:00:10,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 08:00:10,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 08:00:10,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 08:00:10,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 08:00:10,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 08:00:10,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 08:00:10,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 08:00:10,387 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 08:00:10,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 08:00:10,388 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 08:00:10,388 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 08:00:10,388 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 08:00:10,389 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 08:00:10,389 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 08:00:10,389 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 08:00:10,389 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 08:00:10,389 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 08:00:10,390 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 08:00:10,390 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 08:00:10,390 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 08:00:10,390 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 08:00:10,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 08:00:10,391 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 08:00:10,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 08:00:10,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 08:00:10,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 08:00:10,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 08:00:10,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 08:00:10,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 08:00:10,393 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 08:00:10,393 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 08:00:10,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 08:00:10,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 08:00:10,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 08:00:10,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 08:00:10,394 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 08:00:10,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:10,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 08:00:10,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 08:00:10,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 08:00:10,395 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 08:00:10,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 08:00:10,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 08:00:10,395 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 08:00:10,396 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 08:00:10,396 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_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18a438d9195efc31a76e9f94e16dcade46dcc096 [2021-10-13 08:00:10,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 08:00:10,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 08:00:10,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 08:00:10,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 08:00:10,708 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 08:00:10,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/array-fpi/sina2f.c [2021-10-13 08:00:10,807 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/data/30745624a/412b80316ef5467b8b4153d381039b6e/FLAG771dd7b6d [2021-10-13 08:00:11,277 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 08:00:11,277 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/sv-benchmarks/c/array-fpi/sina2f.c [2021-10-13 08:00:11,283 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/data/30745624a/412b80316ef5467b8b4153d381039b6e/FLAG771dd7b6d [2021-10-13 08:00:11,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/data/30745624a/412b80316ef5467b8b4153d381039b6e [2021-10-13 08:00:11,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 08:00:11,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 08:00:11,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:11,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 08:00:11,655 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 08:00:11,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:11,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b349d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11, skipping insertion in model container [2021-10-13 08:00:11,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:11,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 08:00:11,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 08:00:11,889 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_f8229cab-9ec1-405a-98ee-1cd19c9724e4/sv-benchmarks/c/array-fpi/sina2f.c[589,602] [2021-10-13 08:00:11,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:11,914 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 08:00:11,926 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_f8229cab-9ec1-405a-98ee-1cd19c9724e4/sv-benchmarks/c/array-fpi/sina2f.c[589,602] [2021-10-13 08:00:11,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 08:00:11,950 INFO L208 MainTranslator]: Completed translation [2021-10-13 08:00:11,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11 WrapperNode [2021-10-13 08:00:11,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 08:00:11,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 08:00:11,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 08:00:11,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 08:00:11,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:11,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:11,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 08:00:11,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 08:00:11,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 08:00:11,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 08:00:11,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,018 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 08:00:12,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 08:00:12,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 08:00:12,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 08:00:12,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (1/1) ... [2021-10-13 08:00:12,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 08:00:12,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 08:00:12,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 08:00:12,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 08:00:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 08:00:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 08:00:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 08:00:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 08:00:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 08:00:12,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 08:00:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 08:00:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 08:00:12,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 08:00:12,437 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-13 08:00:12,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:12 BoogieIcfgContainer [2021-10-13 08:00:12,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 08:00:12,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 08:00:12,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 08:00:12,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 08:00:12,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:00:11" (1/3) ... [2021-10-13 08:00:12,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0b30b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:00:12, skipping insertion in model container [2021-10-13 08:00:12,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:00:11" (2/3) ... [2021-10-13 08:00:12,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0b30b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:00:12, skipping insertion in model container [2021-10-13 08:00:12,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:12" (3/3) ... [2021-10-13 08:00:12,449 INFO L111 eAbstractionObserver]: Analyzing ICFG sina2f.c [2021-10-13 08:00:12,455 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 08:00:12,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-13 08:00:12,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 08:00:12,513 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 [2021-10-13 08:00:12,513 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-13 08:00:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 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) [2021-10-13 08:00:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-13 08:00:12,544 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:12,545 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:12,545 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:12,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:12,551 INFO L82 PathProgramCache]: Analyzing trace with hash -228319609, now seen corresponding path program 1 times [2021-10-13 08:00:12,561 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:00:12,562 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338702081] [2021-10-13 08:00:12,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:12,563 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:00:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 08:00:12,859 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:00:12,859 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338702081] [2021-10-13 08:00:12,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338702081] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:12,860 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:12,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 08:00:12,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944771708] [2021-10-13 08:00:12,867 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 08:00:12,877 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:00:12,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 08:00:12,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 08:00:12,902 INFO L87 Difference]: Start difference. First operand has 12 states, 10 states have (on average 1.7) internal successors, (17), 11 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) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-13 08:00:12,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:12,984 INFO L93 Difference]: Finished difference Result 22 states and 31 transitions. [2021-10-13 08:00:12,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 08:00:12,987 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2021-10-13 08:00:12,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:12,996 INFO L225 Difference]: With dead ends: 22 [2021-10-13 08:00:12,996 INFO L226 Difference]: Without dead ends: 11 [2021-10-13 08:00:13,002 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 [2021-10-13 08:00:13,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-13 08:00:13,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-13 08:00:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-10-13 08:00:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-10-13 08:00:13,043 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 14 transitions. Word has length 8 [2021-10-13 08:00:13,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:13,045 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-10-13 08:00:13,045 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2021-10-13 08:00:13,046 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-10-13 08:00:13,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 08:00:13,047 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:13,047 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:13,047 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 08:00:13,048 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:13,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:13,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1111630449, now seen corresponding path program 1 times [2021-10-13 08:00:13,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:00:13,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662178826] [2021-10-13 08:00:13,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:13,055 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:00:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 08:00:13,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 08:00:13,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 08:00:13,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662178826] [2021-10-13 08:00:13,185 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662178826] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 08:00:13,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 08:00:13,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 08:00:13,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836067840] [2021-10-13 08:00:13,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 08:00:13,188 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 08:00:13,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 08:00:13,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:13,190 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-10-13 08:00:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 08:00:13,278 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-10-13 08:00:13,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 08:00:13,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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 [2021-10-13 08:00:13,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 08:00:13,280 INFO L225 Difference]: With dead ends: 24 [2021-10-13 08:00:13,280 INFO L226 Difference]: Without dead ends: 18 [2021-10-13 08:00:13,281 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 08:00:13,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-13 08:00:13,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 13. [2021-10-13 08:00:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 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) [2021-10-13 08:00:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-10-13 08:00:13,286 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 9 [2021-10-13 08:00:13,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 08:00:13,286 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-10-13 08:00:13,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2021-10-13 08:00:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-10-13 08:00:13,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 08:00:13,287 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 08:00:13,288 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 08:00:13,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 08:00:13,288 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-13 08:00:13,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 08:00:13,289 INFO L82 PathProgramCache]: Analyzing trace with hash 141398424, now seen corresponding path program 1 times [2021-10-13 08:00:13,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 08:00:13,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346912044] [2021-10-13 08:00:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 08:00:13,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 08:00:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:00:13,402 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 08:00:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 08:00:13,519 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 08:00:13,519 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 08:00:13,520 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 08:00:13,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 08:00:13,529 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 08:00:13,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 08:00:13 BoogieIcfgContainer [2021-10-13 08:00:13,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 08:00:13,561 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 08:00:13,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 08:00:13,561 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 08:00:13,562 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:00:12" (3/4) ... [2021-10-13 08:00:13,563 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 08:00:13,611 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8229cab-9ec1-405a-98ee-1cd19c9724e4/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 08:00:13,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 08:00:13,613 INFO L168 Benchmark]: Toolchain (without parser) took 1962.70 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 63.8 MB in the beginning and 95.4 MB in the end (delta: -31.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:00:13,614 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 107.0 MB. Free memory is still 80.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:00:13,615 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.19 ms. Allocated memory is still 107.0 MB. Free memory was 63.5 MB in the beginning and 80.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.26 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 79.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,616 INFO L168 Benchmark]: Boogie Preprocessor took 28.04 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 77.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,617 INFO L168 Benchmark]: RCFGBuilder took 420.77 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 63.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,618 INFO L168 Benchmark]: TraceAbstraction took 1118.86 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 63.1 MB in the beginning and 97.6 MB in the end (delta: -34.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 08:00:13,619 INFO L168 Benchmark]: Witness Printer took 50.60 ms. Allocated memory is still 130.0 MB. Free memory was 97.6 MB in the beginning and 95.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 08:00:13,623 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 107.0 MB. Free memory is still 80.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.19 ms. Allocated memory is still 107.0 MB. Free memory was 63.5 MB in the beginning and 80.6 MB in the end (delta: -17.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.26 ms. Allocated memory is still 107.0 MB. Free memory was 80.6 MB in the beginning and 79.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.04 ms. Allocated memory is still 107.0 MB. Free memory was 79.0 MB in the beginning and 77.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 420.77 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 63.5 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1118.86 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 63.1 MB in the beginning and 97.6 MB in the end (delta: -34.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 50.60 ms. Allocated memory is still 130.0 MB. Free memory was 97.6 MB in the beginning and 95.4 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: - 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); [L31] sum[0] = 1 [L32] i=0 VAL [N=1] [L32] COND TRUE i