./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF --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 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:52:49,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:52:49,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:52:49,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:52:49,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:52:49,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:52:49,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:52:49,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:52:49,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:52:49,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:52:49,855 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:52:49,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:52:49,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:52:49,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:52:49,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:52:49,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:52:49,873 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:52:49,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:52:49,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:52:49,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:52:49,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:52:49,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:52:49,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:52:49,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:52:49,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:52:49,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:52:49,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:52:49,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:52:49,913 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:52:49,915 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:52:49,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:52:49,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:52:49,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:52:49,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:52:49,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:52:49,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:52:49,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:52:49,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:52:49,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:52:49,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:52:49,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:52:49,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 22:52:49,985 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:52:49,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:52:49,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:52:49,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:52:49,989 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:52:49,989 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:52:49,989 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:52:49,990 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 22:52:49,999 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:52:49,999 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:52:50,001 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 22:52:50,001 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 22:52:50,002 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:52:50,002 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 22:52:50,002 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 22:52:50,003 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 22:52:50,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:52:50,004 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:52:50,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 22:52:50,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:52:50,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:52:50,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:52:50,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:52:50,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:52:50,007 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:52:50,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:52:50,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:52:50,008 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:52:50,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:52:50,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:52:50,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:52:50,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:52:50,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:52:50,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:52:50,013 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:52:50,013 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 22:52:50,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 22:52:50,014 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:52:50,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:52:50,014 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:52:50,015 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_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b [2021-11-12 22:52:50,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:52:50,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:52:50,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:52:50,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:52:50,401 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:52:50,403 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-11-12 22:52:50,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/cabfee40f/18d6311174044f0da91d9ec89806e473/FLAG524089c76 [2021-11-12 22:52:51,088 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:52:51,089 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-11-12 22:52:51,098 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/cabfee40f/18d6311174044f0da91d9ec89806e473/FLAG524089c76 [2021-11-12 22:52:51,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/cabfee40f/18d6311174044f0da91d9ec89806e473 [2021-11-12 22:52:51,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:52:51,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:52:51,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:52:51,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:52:51,454 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:52:51,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:51,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d1d488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51, skipping insertion in model container [2021-11-12 22:52:51,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:51,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:52:51,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:52:51,634 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_ddfebe03-cd40-4680-a0a9-d854c5034bf8/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2021-11-12 22:52:51,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:52:51,796 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:52:51,820 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_ddfebe03-cd40-4680-a0a9-d854c5034bf8/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2021-11-12 22:52:51,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:52:51,928 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:52:51,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51 WrapperNode [2021-11-12 22:52:51,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:52:51,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:52:51,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:52:51,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:52:51,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:51,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:52:52,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:52:52,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:52:52,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:52:52,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:52:52,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:52:52,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:52:52,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:52:52,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (1/1) ... [2021-11-12 22:52:52,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:52:52,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:52:52,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:52:52,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:52:52,265 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-12 22:52:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-12 22:52:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 22:52:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-12 22:52:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-12 22:52:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-12 22:52:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-12 22:52:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:52:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-12 22:52:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:52:52,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:52:52,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-12 22:52:53,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:52:53,116 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:52:53,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:52:53 BoogieIcfgContainer [2021-11-12 22:52:53,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:52:53,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:52:53,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:52:53,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:52:53,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:52:51" (1/3) ... [2021-11-12 22:52:53,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f5c05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:52:53, skipping insertion in model container [2021-11-12 22:52:53,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:51" (2/3) ... [2021-11-12 22:52:53,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f5c05f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:52:53, skipping insertion in model container [2021-11-12 22:52:53,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:52:53" (3/3) ... [2021-11-12 22:52:53,135 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2021-11-12 22:52:53,142 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:52:53,143 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:52:53,208 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:52:53,216 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 [2021-11-12 22:52:53,217 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:52:53,239 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.263157894736842) internal successors, (24), 20 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 22:52:53,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-12 22:52:53,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:52:53,246 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:52:53,247 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:52:53,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:52:53,254 INFO L85 PathProgramCache]: Analyzing trace with hash -2102464725, now seen corresponding path program 1 times [2021-11-12 22:52:53,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 22:52:53,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956697408] [2021-11-12 22:52:53,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:52:53,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 22:52:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:52:53,624 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 22:52:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:52:53,887 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 22:52:53,890 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 22:52:53,892 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 22:52:53,896 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 22:52:53,903 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 22:52:53,908 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 22:52:53,961 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 22:52:53,975 INFO L158 Benchmark]: Toolchain (without parser) took 2540.88ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 125.3MB in the end (delta: -5.6MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2021-11-12 22:52:53,984 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:52:53,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.35ms. Allocated memory is still 153.1MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 174.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 22:52:53,987 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.51ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 114.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-12 22:52:53,989 INFO L158 Benchmark]: Boogie Preprocessor took 103.12ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 111.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 22:52:53,991 INFO L158 Benchmark]: RCFGBuilder took 981.46ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 79.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-12 22:52:53,993 INFO L158 Benchmark]: TraceAbstraction took 850.91ms. Allocated memory is still 153.1MB. Free memory was 79.4MB in the beginning and 125.3MB in the end (delta: -45.9MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. [2021-11-12 22:52:54,012 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 88.1MB. Free memory was 43.7MB in the beginning and 43.6MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.35ms. Allocated memory is still 153.1MB. Free memory was 119.4MB in the beginning and 119.2MB in the end (delta: 174.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.51ms. Allocated memory is still 153.1MB. Free memory was 119.2MB in the beginning and 114.1MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.12ms. Allocated memory is still 153.1MB. Free memory was 114.1MB in the beginning and 111.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 981.46ms. Allocated memory is still 153.1MB. Free memory was 111.2MB in the beginning and 79.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 850.91ms. Allocated memory is still 153.1MB. Free memory was 79.4MB in the beginning and 125.3MB in the end (delta: -45.9MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 22:52:54,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF --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 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 22:52:57,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 22:52:57,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 22:52:57,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 22:52:57,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 22:52:57,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 22:52:57,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 22:52:57,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 22:52:57,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 22:52:57,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 22:52:57,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 22:52:57,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 22:52:57,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 22:52:57,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 22:52:57,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 22:52:57,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 22:52:57,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 22:52:57,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 22:52:57,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 22:52:57,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 22:52:57,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 22:52:57,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 22:52:57,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 22:52:57,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 22:52:57,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 22:52:57,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 22:52:57,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 22:52:57,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 22:52:57,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 22:52:57,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 22:52:57,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 22:52:57,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 22:52:57,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 22:52:57,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 22:52:57,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 22:52:57,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 22:52:57,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 22:52:57,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 22:52:57,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 22:52:57,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 22:52:57,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 22:52:57,254 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 22:52:57,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 22:52:57,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 22:52:57,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 22:52:57,293 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 22:52:57,293 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 22:52:57,294 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 22:52:57,295 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 22:52:57,295 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 22:52:57,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 22:52:57,296 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 22:52:57,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 22:52:57,298 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 22:52:57,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 22:52:57,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 22:52:57,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 22:52:57,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 22:52:57,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 22:52:57,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 22:52:57,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 22:52:57,302 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 22:52:57,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 22:52:57,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 22:52:57,302 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 22:52:57,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 22:52:57,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 22:52:57,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 22:52:57,304 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 22:52:57,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:52:57,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 22:52:57,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 22:52:57,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 22:52:57,305 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 22:52:57,305 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 22:52:57,306 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 22:52:57,306 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 22:52:57,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 22:52:57,307 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cb3876964e898cb74177d566a886d0758635fef9e6a24a10db9184be8738e4b [2021-11-12 22:52:57,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 22:52:57,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 22:52:57,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 22:52:57,856 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 22:52:57,859 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 22:52:57,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-11-12 22:52:57,957 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/34fc88519/719c841f9f9c48b8955c160867348620/FLAGbd78e165d [2021-11-12 22:52:58,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 22:52:58,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2021-11-12 22:52:58,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/34fc88519/719c841f9f9c48b8955c160867348620/FLAGbd78e165d [2021-11-12 22:52:58,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/data/34fc88519/719c841f9f9c48b8955c160867348620 [2021-11-12 22:52:58,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 22:52:58,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 22:52:58,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 22:52:58,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 22:52:58,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 22:52:58,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:52:58" (1/1) ... [2021-11-12 22:52:58,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726250d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:58, skipping insertion in model container [2021-11-12 22:52:58,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 10:52:58" (1/1) ... [2021-11-12 22:52:58,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 22:52:58,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 22:52:59,218 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_ddfebe03-cd40-4680-a0a9-d854c5034bf8/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2021-11-12 22:52:59,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:52:59,476 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 22:52:59,492 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_ddfebe03-cd40-4680-a0a9-d854c5034bf8/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2021-11-12 22:52:59,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 22:52:59,667 INFO L208 MainTranslator]: Completed translation [2021-11-12 22:52:59,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59 WrapperNode [2021-11-12 22:52:59,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 22:52:59,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 22:52:59,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 22:52:59,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 22:52:59,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 22:52:59,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 22:52:59,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 22:52:59,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 22:52:59,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 22:52:59,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 22:52:59,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 22:52:59,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 22:52:59,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (1/1) ... [2021-11-12 22:52:59,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 22:52:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 22:53:00,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 22:53:00,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 22:53:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-12 22:53:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_POS [2021-11-12 22:53:00,075 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_POS [2021-11-12 22:53:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 22:53:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_0_180 [2021-11-12 22:53:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_0_180 [2021-11-12 22:53:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure SIN_180 [2021-11-12 22:53:00,076 INFO L138 BoogieDeclarations]: Found implementation of procedure SIN_180 [2021-11-12 22:53:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 22:53:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-12 22:53:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 22:53:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 22:53:04,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 22:53:04,192 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-12 22:53:04,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:53:04 BoogieIcfgContainer [2021-11-12 22:53:04,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 22:53:04,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 22:53:04,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 22:53:04,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 22:53:04,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 10:52:58" (1/3) ... [2021-11-12 22:53:04,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5376ba2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:53:04, skipping insertion in model container [2021-11-12 22:53:04,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 10:52:59" (2/3) ... [2021-11-12 22:53:04,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5376ba2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 10:53:04, skipping insertion in model container [2021-11-12 22:53:04,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 10:53:04" (3/3) ... [2021-11-12 22:53:04,204 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2021-11-12 22:53:04,210 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 22:53:04,210 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 22:53:04,267 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 22:53:04,274 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 [2021-11-12 22:53:04,275 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 22:53:04,293 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.24) internal successors, (31), 26 states have internal predecessors, (31), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 22:53:04,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-12 22:53:04,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 22:53:04,299 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 22:53:04,300 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION === [SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 22:53:04,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 22:53:04,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1232297392, now seen corresponding path program 1 times [2021-11-12 22:53:04,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 22:53:04,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357399926] [2021-11-12 22:53:04,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 22:53:04,327 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 22:53:04,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 22:53:04,330 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 22:53:04,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 22:53:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:53:13,673 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 22:53:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 22:53:24,027 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 22:53:24,030 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 22:53:24,031 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location SIN_0_180Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 22:53:24,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 22:53:24,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 22:53:24,238 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-12 22:53:24,241 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 22:53:24,286 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 22:53:24,292 INFO L158 Benchmark]: Toolchain (without parser) took 25372.26ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 55.1MB in the beginning and 54.3MB in the end (delta: 787.0kB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2021-11-12 22:53:24,293 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 22:53:24,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 745.48ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 42.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 22:53:24,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.85ms. Allocated memory is still 73.4MB. Free memory was 42.6MB in the beginning and 37.6MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-12 22:53:24,297 INFO L158 Benchmark]: Boogie Preprocessor took 169.49ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 37.6MB in the beginning and 82.8MB in the end (delta: -45.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-12 22:53:24,302 INFO L158 Benchmark]: RCFGBuilder took 4233.28ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 66.1MB in the end (delta: 16.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2021-11-12 22:53:24,304 INFO L158 Benchmark]: TraceAbstraction took 20093.67ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 54.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-12 22:53:24,307 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 73.4MB. Free memory is still 55.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 745.48ms. Allocated memory is still 73.4MB. Free memory was 54.8MB in the beginning and 42.8MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.85ms. Allocated memory is still 73.4MB. Free memory was 42.6MB in the beginning and 37.6MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 169.49ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 37.6MB in the beginning and 82.8MB in the end (delta: -45.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4233.28ms. Allocated memory is still 102.8MB. Free memory was 82.8MB in the beginning and 66.1MB in the end (delta: 16.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * TraceAbstraction took 20093.67ms. Allocated memory is still 102.8MB. Free memory was 65.3MB in the beginning and 54.3MB in the end (delta: 11.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 22:53:24,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddfebe03-cd40-4680-a0a9-d854c5034bf8/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null