./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan --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 2ea109b3b1244304f107f839926df3cd3a19ab65 ......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan --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 2ea109b3b1244304f107f839926df3cd3a19ab65 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:09:01,723 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:09:01,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:09:01,763 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:09:01,764 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:09:01,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:09:01,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:09:01,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:09:01,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:09:01,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:09:01,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:09:01,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:09:01,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:09:01,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:09:01,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:09:01,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:09:01,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:09:01,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:09:01,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:09:01,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:09:01,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:09:01,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:09:01,783 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:09:01,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:09:01,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:09:01,786 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:09:01,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:09:01,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:09:01,788 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:09:01,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:09:01,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:09:01,789 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:09:01,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:09:01,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:09:01,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:09:01,792 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:09:01,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:09:01,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:09:01,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:09:01,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:09:01,794 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:09:01,795 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 09:09:01,811 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:09:01,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:09:01,812 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:09:01,812 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:09:01,812 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 09:09:01,813 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:09:01,813 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 09:09:01,814 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 09:09:01,814 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 09:09:01,814 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:09:01,814 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:09:01,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:09:01,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:09:01,816 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:09:01,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:09:01,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:09:01,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:09:01,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:09:01,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:09:01,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:09:01,817 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 09:09:01,817 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 09:09:01,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:09:01,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:09:01,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:09:01,817 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-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea109b3b1244304f107f839926df3cd3a19ab65 [2020-12-09 09:09:02,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:09:02,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:09:02,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:09:02,023 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:09:02,024 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:09:02,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-12-09 09:09:02,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/1eee51f50/5f4f85937432437692d13e2f649b5c9d/FLAG8d18bcdf0 [2020-12-09 09:09:02,459 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:09:02,459 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-12-09 09:09:02,465 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/1eee51f50/5f4f85937432437692d13e2f649b5c9d/FLAG8d18bcdf0 [2020-12-09 09:09:02,476 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/1eee51f50/5f4f85937432437692d13e2f649b5c9d [2020-12-09 09:09:02,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:09:02,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:09:02,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:09:02,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:09:02,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:09:02,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b1d0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02, skipping insertion in model container [2020-12-09 09:09:02,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:09:02,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:09:02,615 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2020-12-09 09:09:02,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:09:02,682 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:09:02,691 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2020-12-09 09:09:02,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:09:02,758 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:09:02,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02 WrapperNode [2020-12-09 09:09:02,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:09:02,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:09:02,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:09:02,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:09:02,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:09:02,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:09:02,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:09:02,832 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:09:02,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... [2020-12-09 09:09:02,892 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:09:02,893 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:09:02,893 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:09:02,893 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:09:02,894 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:09:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 09:09:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:09:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 09:09:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:09:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:09:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 09:09:03,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:09:03,452 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 09:09:03,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:09:03 BoogieIcfgContainer [2020-12-09 09:09:03,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:09:03,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:09:03,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:09:03,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:09:03,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:09:02" (1/3) ... [2020-12-09 09:09:03,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d99e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:09:03, skipping insertion in model container [2020-12-09 09:09:03,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:02" (2/3) ... [2020-12-09 09:09:03,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39d99e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:09:03, skipping insertion in model container [2020-12-09 09:09:03,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:09:03" (3/3) ... [2020-12-09 09:09:03,459 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-12-09 09:09:03,469 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:09:03,473 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-09 09:09:03,480 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-09 09:09:03,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:09:03,499 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:09:03,500 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:09:03,500 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:09:03,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:09:03,500 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:09:03,500 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:09:03,500 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:09:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-12-09 09:09:03,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-09 09:09:03,517 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:09:03,518 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-09 09:09:03,518 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:09:03,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:09:03,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1800289273, now seen corresponding path program 1 times [2020-12-09 09:09:03,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:09:03,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349670086] [2020-12-09 09:09:03,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:09:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:09:03,722 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:09:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:09:03,784 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:09:03,812 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 09:09:03,813 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 09:09:03,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 09:09:03,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:09:03 BoogieIcfgContainer [2020-12-09 09:09:03,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:09:03,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:09:03,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:09:03,839 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:09:03,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:09:03" (3/4) ... [2020-12-09 09:09:03,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 09:09:03,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:09:03,845 INFO L168 Benchmark]: Toolchain (without parser) took 1363.98 ms. Allocated memory is still 104.9 MB. Free memory was 67.2 MB in the beginning and 50.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:09:03,846 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 104.9 MB. Free memory is still 83.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:09:03,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.41 ms. Allocated memory is still 104.9 MB. Free memory was 66.9 MB in the beginning and 70.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 09:09:03,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.81 ms. Allocated memory is still 104.9 MB. Free memory was 70.6 MB in the beginning and 65.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 09:09:03,848 INFO L168 Benchmark]: Boogie Preprocessor took 60.88 ms. Allocated memory is still 104.9 MB. Free memory was 65.2 MB in the beginning and 61.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 09:09:03,849 INFO L168 Benchmark]: RCFGBuilder took 560.49 ms. Allocated memory is still 104.9 MB. Free memory was 61.0 MB in the beginning and 43.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:09:03,850 INFO L168 Benchmark]: TraceAbstraction took 384.38 ms. Allocated memory is still 104.9 MB. Free memory was 43.8 MB in the beginning and 50.5 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:09:03,850 INFO L168 Benchmark]: Witness Printer took 4.25 ms. Allocated memory is still 104.9 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:09:03,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 104.9 MB. Free memory is still 83.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 277.41 ms. Allocated memory is still 104.9 MB. Free memory was 66.9 MB in the beginning and 70.6 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.81 ms. Allocated memory is still 104.9 MB. Free memory was 70.6 MB in the beginning and 65.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.88 ms. Allocated memory is still 104.9 MB. Free memory was 65.2 MB in the beginning and 61.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 560.49 ms. Allocated memory is still 104.9 MB. Free memory was 61.0 MB in the beginning and 43.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 384.38 ms. Allocated memory is still 104.9 MB. Free memory was 43.8 MB in the beginning and 50.5 MB in the end (delta: -6.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.25 ms. Allocated memory is still 104.9 MB. Free memory is still 50.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 121, overapproximation of someBinaryDOUBLEComparisonOperation at line 134, overapproximation of to_real at line 123. Possible FailurePath: [L21-L113] const double T[361] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0 }; [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L16] COND FALSE !(!cond) [L146] COND FALSE !(x<0) [L140] COND TRUE x>180 [L134] COND FALSE !(x<0) [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i [L18] COND TRUE !(cond) VAL [T={5:0}] [L18] reach_error() VAL [T={5:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:09:05,412 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:09:05,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:09:05,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:09:05,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:09:05,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:09:05,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:09:05,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:09:05,450 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:09:05,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:09:05,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:09:05,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:09:05,454 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:09:05,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:09:05,456 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:09:05,457 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:09:05,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:09:05,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:09:05,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:09:05,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:09:05,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:09:05,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:09:05,468 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:09:05,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:09:05,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:09:05,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:09:05,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:09:05,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:09:05,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:09:05,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:09:05,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:09:05,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:09:05,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:09:05,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:09:05,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:09:05,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:09:05,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:09:05,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:09:05,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:09:05,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:09:05,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:09:05,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 09:09:05,502 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:09:05,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:09:05,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:09:05,503 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:09:05,503 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:09:05,503 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:09:05,503 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:09:05,503 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:09:05,503 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:09:05,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:09:05,504 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:09:05,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:09:05,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:09:05,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:09:05,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:09:05,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:09:05,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:09:05,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 09:09:05,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:09:05,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:09:05,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:09:05,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:09:05,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:09:05,506 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 09:09:05,507 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 09:09:05,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:09:05,507 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:09:05,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:09:05,507 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-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea109b3b1244304f107f839926df3cd3a19ab65 [2020-12-09 09:09:05,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:09:05,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:09:05,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:09:05,746 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:09:05,747 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:09:05,748 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-12-09 09:09:05,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/5ff2b9cfb/b97419e341eb4ce4bc7387d2b4381e0d/FLAGc3544f436 [2020-12-09 09:09:06,199 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:09:06,199 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-12-09 09:09:06,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/5ff2b9cfb/b97419e341eb4ce4bc7387d2b4381e0d/FLAGc3544f436 [2020-12-09 09:09:06,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/data/5ff2b9cfb/b97419e341eb4ce4bc7387d2b4381e0d [2020-12-09 09:09:06,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:09:06,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:09:06,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:09:06,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:09:06,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:09:06,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba3d851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06, skipping insertion in model container [2020-12-09 09:09:06,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:09:06,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:09:06,354 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2020-12-09 09:09:06,410 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:09:06,465 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:09:06,482 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c[722,735] [2020-12-09 09:09:06,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:09:06,584 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:09:06,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06 WrapperNode [2020-12-09 09:09:06,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:09:06,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:09:06,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:09:06,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:09:06,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:09:06,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:09:06,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:09:06,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:09:06,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,665 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,706 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... [2020-12-09 09:09:06,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:09:06,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:09:06,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:09:06,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:09:06,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:09:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 09:09:06,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 09:09:06,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:09:06,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-09 09:09:06,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:09:06,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:09:43,462 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:09:43,462 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 09:09:43,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:09:43 BoogieIcfgContainer [2020-12-09 09:09:43,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:09:43,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:09:43,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:09:43,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:09:43,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:09:06" (1/3) ... [2020-12-09 09:09:43,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25953893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:09:43, skipping insertion in model container [2020-12-09 09:09:43,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:09:06" (2/3) ... [2020-12-09 09:09:43,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25953893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:09:43, skipping insertion in model container [2020-12-09 09:09:43,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:09:43" (3/3) ... [2020-12-09 09:09:43,470 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-12-09 09:09:43,481 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:09:43,484 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-12-09 09:09:43,492 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-12-09 09:09:43,508 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:09:43,508 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:09:43,508 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:09:43,508 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:09:43,508 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:09:43,508 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:09:43,508 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:09:43,509 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:09:43,518 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2020-12-09 09:09:43,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:09:43,521 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:09:43,522 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:09:43,522 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:09:43,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:09:43,526 INFO L82 PathProgramCache]: Analyzing trace with hash -522511804, now seen corresponding path program 1 times [2020-12-09 09:09:43,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:09:43,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226453100] [2020-12-09 09:09:43,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 09:09:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:09:46,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 09:09:46,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:09:46,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:09:46,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:09:46,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226453100] [2020-12-09 09:09:46,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:09:46,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:09:46,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421818783] [2020-12-09 09:09:46,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 09:09:46,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:09:46,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 09:09:46,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:09:46,338 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2020-12-09 09:09:46,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:09:46,352 INFO L93 Difference]: Finished difference Result 119 states and 148 transitions. [2020-12-09 09:09:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 09:09:46,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 09:09:46,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:09:46,359 INFO L225 Difference]: With dead ends: 119 [2020-12-09 09:09:46,359 INFO L226 Difference]: Without dead ends: 35 [2020-12-09 09:09:46,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:09:46,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-09 09:09:46,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-12-09 09:09:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-12-09 09:09:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-12-09 09:09:46,383 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-12-09 09:09:46,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:09:46,383 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-12-09 09:09:46,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 09:09:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-12-09 09:09:46,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:09:46,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:09:46,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:09:46,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 09:09:46,587 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:09:46,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:09:46,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1252495558, now seen corresponding path program 1 times [2020-12-09 09:09:46,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:09:46,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574153986] [2020-12-09 09:09:46,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 09:20:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:20:41,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-09 09:20:41,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:20:41,991 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 09:20:44,412 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_SIN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 10000000000.0))) (and (fp.geq ULTIMATE.start_SIN_POS_~x (fp.neg .cse0)) (fp.leq ULTIMATE.start_SIN_POS_~x .cse0) (= (fp.sub c_currentRoundingMode ULTIMATE.start_SIN_POS_~x (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 360.0))) (fp.mul c_currentRoundingMode .cse1 ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 32) roundTowardZero (fp.div c_currentRoundingMode (fp.add c_currentRoundingMode ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) c_currentRoundingMode 180.0)) .cse1)))))) c_ULTIMATE.start_SIN_180_~x) (fp.gt ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) c_currentRoundingMode (_ bv180 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2020-12-09 09:20:44,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:20:46,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 09:21:01,954 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (or (and (exists ((ULTIMATE.start_SIN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse2))))))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0))) (and (fp.leq ULTIMATE.start_SIN_POS_~x .cse0) (not (fp.lt .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (bvsge ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse1)) (_ bv0 32))) (fp.geq ULTIMATE.start_SIN_POS_~x (fp.neg .cse0)) (fp.gt ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) .cse3) (and (= (bvadd c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (exists ((ULTIMATE.start_SIN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse5 (fp.sub roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse7 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse7)))))))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (.cse6 ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse5)))) (and (fp.leq ULTIMATE.start_SIN_POS_~x .cse4) (not (fp.lt .cse5 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (bvsge .cse6 (_ bv0 32)) (fp.geq ULTIMATE.start_SIN_POS_~x (fp.neg .cse4)) (fp.gt ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32))) (bvslt (bvadd .cse6 (_ bv1 32)) (_ bv361 32))))))) (and (exists ((ULTIMATE.start_SIN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse9 (fp.sub roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x (let ((.cse10 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse10 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse10))))))) (.cse8 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0))) (and (fp.leq ULTIMATE.start_SIN_POS_~x .cse8) (not (fp.lt .cse9 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (bvslt (bvadd ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse9)) (_ bv1 32)) (_ bv361 32))) (fp.geq ULTIMATE.start_SIN_POS_~x (fp.neg .cse8)) (fp.gt ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) .cse3))) is different from false [2020-12-09 09:21:12,941 WARN L838 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_SIN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse2))))))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0))) (and (fp.leq ULTIMATE.start_SIN_POS_~x .cse0) (not (fp.lt .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (bvslt (bvadd ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse1)) (_ bv1 32)) (_ bv361 32))) (fp.geq ULTIMATE.start_SIN_POS_~x (fp.neg .cse0)) (fp.gt ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) (exists ((v_prenex_361 (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (.cse3 (fp.sub roundNearestTiesToEven v_prenex_361 (let ((.cse5 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse5 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_361 ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse5)))))))) (and (not (fp.lt .cse3 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.gt v_prenex_361 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32))) (fp.geq v_prenex_361 (fp.neg .cse4)) (fp.leq v_prenex_361 .cse4) (not (bvsge ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse3)) (_ bv0 32))))))) is different from false [2020-12-09 09:21:15,082 WARN L860 $PredicateComparison]: unable to prove that (or (exists ((ULTIMATE.start_SIN_POS_~x (_ FloatingPoint 11 53))) (let ((.cse1 (fp.sub roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x (let ((.cse2 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse2 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse2))))))) (.cse0 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0))) (and (fp.leq ULTIMATE.start_SIN_POS_~x .cse0) (not (fp.lt .cse1 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (not (bvslt (bvadd ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse1)) (_ bv1 32)) (_ bv361 32))) (fp.geq ULTIMATE.start_SIN_POS_~x (fp.neg .cse0)) (fp.gt ULTIMATE.start_SIN_POS_~x ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32)))))) (exists ((v_prenex_361 (_ FloatingPoint 11 53))) (let ((.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 10000000000.0)) (.cse3 (fp.sub roundNearestTiesToEven v_prenex_361 (let ((.cse5 ((_ to_fp 11 53) roundNearestTiesToEven 360.0))) (fp.mul roundNearestTiesToEven .cse5 ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 32) roundTowardZero (fp.div roundNearestTiesToEven (fp.add roundNearestTiesToEven v_prenex_361 ((_ to_fp 11 53) roundNearestTiesToEven 180.0)) .cse5)))))))) (and (not (fp.lt .cse3 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv0 32)))) (fp.gt v_prenex_361 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv180 32))) (fp.geq v_prenex_361 (fp.neg .cse4)) (fp.leq v_prenex_361 .cse4) (not (bvsge ((_ fp.to_sbv 32) roundTowardZero (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (_ bv2 32)) .cse3)) (_ bv0 32))))))) is different from true [2020-12-09 09:21:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 09:21:15,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:21:15,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574153986] [2020-12-09 09:21:15,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:21:15,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 09:21:15,085 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579022527] [2020-12-09 09:21:15,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 09:21:15,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:21:15,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 09:21:15,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=29, Unknown=4, NotChecked=36, Total=90 [2020-12-09 09:21:15,087 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 10 states. [2020-12-09 09:21:17,877 WARN L197 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 13 [2020-12-09 09:21:18,445 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 16 [2020-12-09 09:21:19,100 WARN L197 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 19 [2020-12-09 09:21:40,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:21:40,353 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-12-09 09:21:40,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 09:21:40,376 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2020-12-09 09:21:40,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:21:40,377 INFO L225 Difference]: With dead ends: 35 [2020-12-09 09:21:40,377 INFO L226 Difference]: Without dead ends: 32 [2020-12-09 09:21:40,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=42, Invalid=56, Unknown=4, NotChecked=54, Total=156 [2020-12-09 09:21:40,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-12-09 09:21:40,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-12-09 09:21:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-12-09 09:21:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2020-12-09 09:21:40,382 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 9 [2020-12-09 09:21:40,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:21:40,382 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2020-12-09 09:21:40,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 09:21:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2020-12-09 09:21:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:21:40,383 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:21:40,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:21:40,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 09:21:40,584 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:21:40,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:21:40,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1252480663, now seen corresponding path program 1 times [2020-12-09 09:21:40,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:21:40,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [501269964] [2020-12-09 09:21:40,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 09:21:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:21:45,355 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:21:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:21:52,305 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:21:53,994 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 09:21:53,994 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 09:21:54,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 09:21:54,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:21:54 BoogieIcfgContainer [2020-12-09 09:21:54,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:21:54,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:21:54,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:21:54,252 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:21:54,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:09:43" (3/4) ... [2020-12-09 09:21:54,253 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-09 09:21:54,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_84d4b988-ad9f-49ec-bb69-8b665c7d18ca/bin/utaipan/witness.graphml [2020-12-09 09:21:54,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:21:54,300 INFO L168 Benchmark]: Toolchain (without parser) took 768081.04 ms. Allocated memory was 56.6 MB in the beginning and 94.4 MB in the end (delta: 37.7 MB). Free memory was 35.6 MB in the beginning and 28.8 MB in the end (delta: 6.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,301 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:21:54,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.97 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.4 MB in the beginning and 50.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.07 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 44.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,302 INFO L168 Benchmark]: Boogie Preprocessor took 61.69 ms. Allocated memory is still 77.6 MB. Free memory was 44.3 MB in the beginning and 57.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,303 INFO L168 Benchmark]: RCFGBuilder took 36751.22 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.0 MB in the beginning and 52.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,303 INFO L168 Benchmark]: TraceAbstraction took 730786.33 ms. Allocated memory is still 94.4 MB. Free memory was 51.8 MB in the beginning and 32.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,303 INFO L168 Benchmark]: Witness Printer took 47.82 ms. Allocated memory is still 94.4 MB. Free memory was 32.9 MB in the beginning and 28.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 09:21:54,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 56.6 MB. Free memory was 39.2 MB in the beginning and 39.1 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 364.97 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 35.4 MB in the beginning and 50.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.07 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 44.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.69 ms. Allocated memory is still 77.6 MB. Free memory was 44.3 MB in the beginning and 57.0 MB in the end (delta: -12.7 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 36751.22 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 57.0 MB in the beginning and 52.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 730786.33 ms. Allocated memory is still 94.4 MB. Free memory was 51.8 MB in the beginning and 32.9 MB in the end (delta: 18.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * Witness Printer took 47.82 ms. Allocated memory is still 94.4 MB. Free memory was 32.9 MB in the beginning and 28.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L21-L113] const double T[361] = { 0.00000000000000, 0.01745240643728, 0.03489949670250, 0.05233595624294, 0.06975647374413, 0.08715574274766, 0.10452846326765, 0.12186934340515, 0.13917310096007, 0.15643446504023, 0.17364817766693, 0.19080899537654, 0.20791169081776, 0.22495105434386, 0.24192189559967, 0.25881904510252, 0.27563735581700, 0.29237170472274, 0.30901699437495, 0.32556815445716, 0.34202014332567, 0.35836794954530, 0.37460659341591, 0.39073112848927, 0.40673664307580, 0.42261826174070, 0.43837114678908, 0.45399049973955, 0.46947156278589, 0.48480962024634, 0.50000000000000, 0.51503807491005, 0.52991926423320, 0.54463903501503, 0.55919290347075, 0.57357643635105, 0.58778525229247, 0.60181502315205, 0.61566147532566, 0.62932039104984, 0.64278760968654, 0.65605902899051, 0.66913060635886, 0.68199836006250, 0.69465837045900, 0.70710678118655, 0.71933980033865, 0.73135370161917, 0.74314482547739, 0.75470958022277, 0.76604444311898, 0.77714596145697, 0.78801075360672, 0.79863551004729, 0.80901699437495, 0.81915204428899, 0.82903757255504, 0.83867056794542, 0.84804809615643, 0.85716730070211, 0.86602540378444, 0.87461970713940, 0.88294759285893, 0.89100652418837, 0.89879404629917, 0.90630778703665, 0.91354545764260, 0.92050485345244, 0.92718385456679, 0.93358042649720, 0.93969262078591, 0.94551857559932, 0.95105651629515, 0.95630475596304, 0.96126169593832, 0.96592582628907, 0.97029572627600, 0.97437006478524, 0.97814760073381, 0.98162718344766, 0.98480775301221, 0.98768834059514, 0.99026806874157, 0.99254615164132, 0.99452189536827, 0.99619469809175, 0.99756405025982, 0.99862953475457, 0.99939082701910, 0.99984769515639, 1.00000000000000, 0.99984769515639, 0.99939082701910, 0.99862953475457, 0.99756405025982, 0.99619469809175, 0.99452189536827, 0.99254615164132, 0.99026806874157, 0.98768834059514, 0.98480775301221, 0.98162718344766, 0.97814760073381, 0.97437006478524, 0.97029572627600, 0.96592582628907, 0.96126169593832, 0.95630475596304, 0.95105651629515, 0.94551857559932, 0.93969262078591, 0.93358042649720, 0.92718385456679, 0.92050485345244, 0.91354545764260, 0.90630778703665, 0.89879404629917, 0.89100652418837, 0.88294759285893, 0.87461970713940, 0.86602540378444, 0.85716730070211, 0.84804809615643, 0.83867056794542, 0.82903757255504, 0.81915204428899, 0.80901699437495, 0.79863551004729, 0.78801075360672, 0.77714596145697, 0.76604444311898, 0.75470958022277, 0.74314482547739, 0.73135370161917, 0.71933980033865, 0.70710678118655, 0.69465837045900, 0.68199836006250, 0.66913060635886, 0.65605902899051, 0.64278760968654, 0.62932039104984, 0.61566147532566, 0.60181502315205, 0.58778525229247, 0.57357643635105, 0.55919290347075, 0.54463903501503, 0.52991926423320, 0.51503807491005, 0.50000000000000, 0.48480962024634, 0.46947156278589, 0.45399049973955, 0.43837114678908, 0.42261826174070, 0.40673664307580, 0.39073112848927, 0.37460659341591, 0.35836794954530, 0.34202014332567, 0.32556815445716, 0.30901699437495, 0.29237170472274, 0.27563735581700, 0.25881904510252, 0.24192189559967, 0.22495105434387, 0.20791169081776, 0.19080899537654, 0.17364817766693, 0.15643446504023, 0.13917310096007, 0.12186934340515, 0.10452846326765, 0.08715574274766, 0.06975647374413, 0.05233595624294, 0.03489949670250, 0.01745240643728, 0.00000000000000, -0.01745240643728, -0.03489949670250, -0.05233595624294, -0.06975647374412, -0.08715574274766, -0.10452846326765, -0.12186934340515, -0.13917310096007, -0.15643446504023, -0.17364817766693, -0.19080899537654, -0.20791169081776, -0.22495105434386, -0.24192189559967, -0.25881904510252, -0.27563735581700, -0.29237170472274, -0.30901699437495, -0.32556815445716, -0.34202014332567, -0.35836794954530, -0.37460659341591, -0.39073112848927, -0.40673664307580, -0.42261826174070, -0.43837114678908, -0.45399049973955, -0.46947156278589, -0.48480962024634, -0.50000000000000, -0.51503807491005, -0.52991926423320, -0.54463903501503, -0.55919290347075, -0.57357643635105, -0.58778525229247, -0.60181502315205, -0.61566147532566, -0.62932039104984, -0.64278760968654, -0.65605902899051, -0.66913060635886, -0.68199836006250, -0.69465837045900, -0.70710678118655, -0.71933980033865, -0.73135370161917, -0.74314482547739, -0.75470958022277, -0.76604444311898, -0.77714596145697, -0.78801075360672, -0.79863551004729, -0.80901699437495, -0.81915204428899, -0.82903757255504, -0.83867056794542, -0.84804809615643, -0.85716730070211, -0.86602540378444, -0.87461970713940, -0.88294759285893, -0.89100652418837, -0.89879404629917, -0.90630778703665, -0.91354545764260, -0.92050485345244, -0.92718385456679, -0.93358042649720, -0.93969262078591, -0.94551857559932, -0.95105651629515, -0.95630475596304, -0.96126169593832, -0.96592582628907, -0.97029572627600, -0.97437006478524, -0.97814760073381, -0.98162718344766, -0.98480775301221, -0.98768834059514, -0.99026806874157, -0.99254615164132, -0.99452189536827, -0.99619469809175, -0.99756405025982, -0.99862953475457, -0.99939082701910, -0.99984769515639, -1.00000000000000, -0.99984769515639, -0.99939082701910, -0.99862953475457, -0.99756405025982, -0.99619469809175, -0.99452189536827, -0.99254615164132, -0.99026806874157, -0.98768834059514, -0.98480775301221, -0.98162718344766, -0.97814760073381, -0.97437006478524, -0.97029572627600, -0.96592582628907, -0.96126169593832, -0.95630475596304, -0.95105651629515, -0.94551857559932, -0.93969262078591, -0.93358042649720, -0.92718385456679, -0.92050485345244, -0.91354545764260, -0.90630778703665, -0.89879404629917, -0.89100652418837, -0.88294759285893, -0.87461970713940, -0.86602540378444, -0.85716730070211, -0.84804809615643, -0.83867056794542, -0.82903757255504, -0.81915204428899, -0.80901699437495, -0.79863551004729, -0.78801075360672, -0.77714596145697, -0.76604444311898, -0.75470958022277, -0.74314482547739, -0.73135370161917, -0.71933980033865, -0.70710678118655, -0.69465837045900, -0.68199836006250, -0.66913060635886, -0.65605902899051, -0.64278760968654, -0.62932039104984, -0.61566147532566, -0.60181502315205, -0.58778525229247, -0.57357643635105, -0.55919290347075, -0.54463903501503, -0.52991926423321, -0.51503807491005, -0.50000000000000, -0.48480962024634, -0.46947156278589, -0.45399049973955, -0.43837114678908, -0.42261826174070, -0.40673664307580, -0.39073112848927, -0.37460659341591, -0.35836794954530, -0.34202014332567, -0.32556815445716, -0.30901699437495, -0.29237170472274, -0.27563735581700, -0.25881904510252, -0.24192189559967, -0.22495105434387, -0.20791169081776, -0.19080899537654, -0.17364817766693, -0.15643446504023, -0.13917310096007, -0.12186934340515, -0.10452846326765, -0.08715574274766, -0.06975647374413, -0.05233595624294, -0.03489949670250, -0.01745240643728, 0 }; VAL [T={2:0}] [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L16] COND FALSE !(!cond) VAL [T={2:0}] [L146] COND FALSE !(x<0) [L140] COND TRUE x>180 [L134] COND TRUE x<0 [L118] double dx, i_dx, v_inf; [L119] double v_sup; [L120] int i; [L121] dx = 2*x [L122] i = dx [L123] i_dx = i [L18] COND TRUE !(cond) VAL [T={2:0}] [L18] reach_error() VAL [T={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 730.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 25.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 18 SDslu, 64 SDs, 0 SdLazy, 15 SolverSat, 1 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 23.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 654.0s SatisfiabilityAnalysisTime, 41.7s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 3 QuantifiedInterpolants, 4712 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2262 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...