./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer --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 Automizer --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_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer --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 Automizer --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-a4ecdab [2020-11-30 00:37:34,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:37:34,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:37:34,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:37:34,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:37:34,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:37:34,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:37:34,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:37:34,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:37:34,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:37:34,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:37:34,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:37:34,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:37:34,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:37:34,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:37:34,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:37:34,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:37:34,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:37:34,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:37:34,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:37:34,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:37:34,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:37:34,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:37:34,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:37:34,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:37:34,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:37:34,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:37:34,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:37:34,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:37:34,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:37:34,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:37:34,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:37:34,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:37:34,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:37:34,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:37:34,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:37:34,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:37:34,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:37:34,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:37:34,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:37:34,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:37:34,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:37:34,926 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:37:34,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:37:34,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:37:34,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:37:34,928 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:37:34,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:37:34,928 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:37:34,929 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:37:34,929 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:37:34,929 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:37:34,929 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:37:34,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:37:34,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:37:34,930 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:37:34,930 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:37:34,930 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:37:34,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:37:34,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:37:34,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:37:34,931 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:37:34,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:37:34,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:37:34,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:37:34,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:37:34,933 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:37:34,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:37:34,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:37:34,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:37:34,934 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:37:34,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea109b3b1244304f107f839926df3cd3a19ab65 [2020-11-30 00:37:35,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:37:35,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:37:35,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:37:35,207 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:37:35,209 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:37:35,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-11-30 00:37:35,285 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/4e8492564/904b1584a5a94ad0ae3a45165a2577b6/FLAG7ded98966 [2020-11-30 00:37:35,871 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:37:35,871 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-11-30 00:37:35,879 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/4e8492564/904b1584a5a94ad0ae3a45165a2577b6/FLAG7ded98966 [2020-11-30 00:37:36,192 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/4e8492564/904b1584a5a94ad0ae3a45165a2577b6 [2020-11-30 00:37:36,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:37:36,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:37:36,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:37:36,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:37:36,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:37:36,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@91a25e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36, skipping insertion in model container [2020-11-30 00:37:36,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:37:36,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:37:36,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:37:36,582 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:37:36,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:37:36,697 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:37:36,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36 WrapperNode [2020-11-30 00:37:36,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:37:36,698 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:37:36,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:37:36,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:37:36,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:37:36,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:37:36,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:37:36,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:37:36,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,884 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... [2020-11-30 00:37:36,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:37:36,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:37:36,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:37:36,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:37:36,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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 [2020-11-30 00:37:36,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:37:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:37:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:37:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:37:36,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:37:36,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 00:37:37,805 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:37:37,806 INFO L298 CfgBuilder]: Removed 68 assume(true) statements. [2020-11-30 00:37:37,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:37:37 BoogieIcfgContainer [2020-11-30 00:37:37,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:37:37,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:37:37,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:37:37,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:37:37,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:37:36" (1/3) ... [2020-11-30 00:37:37,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea5b97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:37:37, skipping insertion in model container [2020-11-30 00:37:37,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:36" (2/3) ... [2020-11-30 00:37:37,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea5b97b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:37:37, skipping insertion in model container [2020-11-30 00:37:37,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:37:37" (3/3) ... [2020-11-30 00:37:37,820 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-11-30 00:37:37,831 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:37:37,836 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-30 00:37:37,847 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-30 00:37:37,885 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:37:37,885 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:37:37,886 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:37:37,886 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:37:37,886 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:37:37,886 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:37:37,886 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:37:37,886 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:37:37,905 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-11-30 00:37:37,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:37:37,911 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:37,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:37,912 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]=== [2020-11-30 00:37:37,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:37,917 INFO L82 PathProgramCache]: Analyzing trace with hash -592898998, now seen corresponding path program 1 times [2020-11-30 00:37:37,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:37,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169511304] [2020-11-30 00:37:37,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:38,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:37:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:37:38,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169511304] [2020-11-30 00:37:38,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:37:38,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:37:38,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907666728] [2020-11-30 00:37:38,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:37:38,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:37:38,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:37:38,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:37:38,242 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-11-30 00:37:38,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:37:38,265 INFO L93 Difference]: Finished difference Result 127 states and 156 transitions. [2020-11-30 00:37:38,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:37:38,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 00:37:38,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:37:38,274 INFO L225 Difference]: With dead ends: 127 [2020-11-30 00:37:38,274 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 00:37:38,278 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:37:38,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 00:37:38,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 00:37:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:37:38,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-11-30 00:37:38,325 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-11-30 00:37:38,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:37:38,326 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-11-30 00:37:38,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:37:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-11-30 00:37:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:37:38,328 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:37:38,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:37:38,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:37:38,329 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]=== [2020-11-30 00:37:38,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:37:38,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1182108364, now seen corresponding path program 1 times [2020-11-30 00:37:38,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:37:38,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621886637] [2020-11-30 00:37:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:37:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:37:38,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:37:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:37:38,603 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:37:38,628 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:37:38,629 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:37:38,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:37:38,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:37:38 BoogieIcfgContainer [2020-11-30 00:37:38,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:37:38,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:37:38,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:37:38,662 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:37:38,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:37:37" (3/4) ... [2020-11-30 00:37:38,665 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:37:38,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:37:38,667 INFO L168 Benchmark]: Toolchain (without parser) took 2467.17 ms. Allocated memory is still 119.5 MB. Free memory was 89.9 MB in the beginning and 71.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,667 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:37:38,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 480.72 ms. Allocated memory is still 119.5 MB. Free memory was 89.7 MB in the beginning and 86.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.92 ms. Allocated memory is still 119.5 MB. Free memory was 86.5 MB in the beginning and 81.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,669 INFO L168 Benchmark]: Boogie Preprocessor took 97.17 ms. Allocated memory is still 119.5 MB. Free memory was 81.2 MB in the beginning and 76.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,670 INFO L168 Benchmark]: RCFGBuilder took 912.73 ms. Allocated memory is still 119.5 MB. Free memory was 76.5 MB in the beginning and 77.1 MB in the end (delta: -592.7 kB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,671 INFO L168 Benchmark]: TraceAbstraction took 847.19 ms. Allocated memory is still 119.5 MB. Free memory was 76.9 MB in the beginning and 72.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:37:38,671 INFO L168 Benchmark]: Witness Printer took 3.80 ms. Allocated memory is still 119.5 MB. Free memory was 72.2 MB in the beginning and 71.5 MB in the end (delta: 710.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:37:38,675 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 92.3 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 37.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 480.72 ms. Allocated memory is still 119.5 MB. Free memory was 89.7 MB in the beginning and 86.5 MB in the end (delta: 3.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.92 ms. Allocated memory is still 119.5 MB. Free memory was 86.5 MB in the beginning and 81.2 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 97.17 ms. Allocated memory is still 119.5 MB. Free memory was 81.2 MB in the beginning and 76.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 912.73 ms. Allocated memory is still 119.5 MB. Free memory was 76.5 MB in the beginning and 77.1 MB in the end (delta: -592.7 kB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 847.19 ms. Allocated memory is still 119.5 MB. Free memory was 76.9 MB in the beginning and 72.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Witness Printer took 3.80 ms. Allocated memory is still 119.5 MB. Free memory was 72.2 MB in the beginning and 71.5 MB in the end (delta: 710.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 122, overapproximation of someUnaryDOUBLEoperation at line 134, 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 }; VAL [T={3:0}] [L152] double a, r; [L154] a = __VERIFIER_nondet_double() [L16] COND FALSE !(!cond) VAL [T={3:0}] [L146] COND TRUE x<0 [L140] COND FALSE !(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={3:0}] [L3] __assert_fail("0", "sin_interpolated_index-1.c", 3, "reach_error") VAL [T={3:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 67 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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-a4ecdab [2020-11-30 00:37:41,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:37:41,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:37:41,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:37:41,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:37:41,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:37:41,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:37:41,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:37:41,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:37:41,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:37:41,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:37:41,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:37:41,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:37:41,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:37:41,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:37:41,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:37:41,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:37:41,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:37:41,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:37:41,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:37:41,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:37:41,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:37:41,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:37:41,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:37:41,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:37:41,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:37:41,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:37:41,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:37:41,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:37:41,249 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:37:41,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:37:41,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:37:41,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:37:41,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:37:41,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:37:41,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:37:41,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:37:41,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:37:41,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:37:41,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:37:41,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:37:41,258 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:37:41,283 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:37:41,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:37:41,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:37:41,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:37:41,286 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:37:41,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:37:41,286 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:37:41,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:37:41,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:37:41,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:37:41,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:37:41,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:37:41,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:37:41,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:37:41,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:37:41,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:37:41,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:37:41,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:37:41,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:37:41,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:37:41,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:37:41,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:37:41,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:37:41,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:37:41,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:37:41,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:37:41,292 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:37:41,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:37:41,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:37:41,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:37:41,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:37:41,293 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_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ea109b3b1244304f107f839926df3cd3a19ab65 [2020-11-30 00:37:41,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:37:41,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:37:41,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:37:41,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:37:41,711 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:37:41,712 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/../../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-11-30 00:37:41,781 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/77e9de32d/74fa2b97b1e5443089df033b59f57e72/FLAG07b7ab3f5 [2020-11-30 00:37:42,314 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:37:42,315 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-11-30 00:37:42,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/77e9de32d/74fa2b97b1e5443089df033b59f57e72/FLAG07b7ab3f5 [2020-11-30 00:37:42,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/data/77e9de32d/74fa2b97b1e5443089df033b59f57e72 [2020-11-30 00:37:42,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:37:42,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:37:42,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:37:42,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:37:42,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:37:42,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:37:42" (1/1) ... [2020-11-30 00:37:42,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b15729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:42, skipping insertion in model container [2020-11-30 00:37:42,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:37:42" (1/1) ... [2020-11-30 00:37:42,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:37:42,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:37:42,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:37:43,081 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:37:43,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:37:43,220 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:37:43,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43 WrapperNode [2020-11-30 00:37:43,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:37:43,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:37:43,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:37:43,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:37:43,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,258 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:37:43,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:37:43,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:37:43,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:37:43,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... [2020-11-30 00:37:43,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:37:43,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:37:43,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:37:43,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:37:43,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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 [2020-11-30 00:37:43,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 00:37:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:37:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:37:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-30 00:37:43,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:37:43,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:38:12,726 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:38:12,727 INFO L298 CfgBuilder]: Removed 68 assume(true) statements. [2020-11-30 00:38:12,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:38:12 BoogieIcfgContainer [2020-11-30 00:38:12,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:38:12,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:38:12,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:38:12,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:38:12,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:37:42" (1/3) ... [2020-11-30 00:38:12,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162d4e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:38:12, skipping insertion in model container [2020-11-30 00:38:12,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:37:43" (2/3) ... [2020-11-30 00:38:12,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@162d4e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:38:12, skipping insertion in model container [2020-11-30 00:38:12,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:38:12" (3/3) ... [2020-11-30 00:38:12,737 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-11-30 00:38:12,747 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:38:12,752 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-11-30 00:38:12,765 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-11-30 00:38:12,789 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:38:12,789 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:38:12,790 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:38:12,790 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:38:12,790 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:38:12,790 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:38:12,790 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:38:12,790 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:38:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-11-30 00:38:12,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:38:12,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:12,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:12,811 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]=== [2020-11-30 00:38:12,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:12,816 INFO L82 PathProgramCache]: Analyzing trace with hash -592898998, now seen corresponding path program 1 times [2020-11-30 00:38:12,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:12,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [465684195] [2020-11-30 00:38:12,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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 [2020-11-30 00:38:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:38:15,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:38:15,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:38:15,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:15,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:38:15,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:15,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [465684195] [2020-11-30 00:38:15,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:38:15,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:38:15,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374261955] [2020-11-30 00:38:15,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:38:15,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:38:15,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:38:15,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:38:15,784 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-11-30 00:38:15,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:38:15,807 INFO L93 Difference]: Finished difference Result 127 states and 156 transitions. [2020-11-30 00:38:15,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:38:15,808 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 00:38:15,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:38:15,817 INFO L225 Difference]: With dead ends: 127 [2020-11-30 00:38:15,817 INFO L226 Difference]: Without dead ends: 35 [2020-11-30 00:38:15,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:38:15,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-11-30 00:38:15,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-11-30 00:38:15,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-11-30 00:38:15,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-11-30 00:38:15,871 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-11-30 00:38:15,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:38:15,871 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-11-30 00:38:15,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:38:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-11-30 00:38:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:38:15,874 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:15,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:16,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:38:16,097 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]=== [2020-11-30 00:38:16,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:16,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1182108364, now seen corresponding path program 1 times [2020-11-30 00:38:16,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:16,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753490958] [2020-11-30 00:38:16,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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 [2020-11-30 00:38:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:38:18,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-30 00:38:18,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:38:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:19,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:38:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:38:23,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753490958] [2020-11-30 00:38:23,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:38:23,224 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-30 00:38:23,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333687530] [2020-11-30 00:38:23,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-30 00:38:23,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:38:23,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-30 00:38:23,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2020-11-30 00:38:23,227 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 6 states. [2020-11-30 00:38:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:38:51,138 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-11-30 00:38:51,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 00:38:51,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-11-30 00:38:51,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:38:51,143 INFO L225 Difference]: With dead ends: 35 [2020-11-30 00:38:51,144 INFO L226 Difference]: Without dead ends: 29 [2020-11-30 00:38:51,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=22, Invalid=29, Unknown=5, NotChecked=0, Total=56 [2020-11-30 00:38:51,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-30 00:38:51,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-11-30 00:38:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-11-30 00:38:51,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-11-30 00:38:51,149 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 9 [2020-11-30 00:38:51,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:38:51,150 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-11-30 00:38:51,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-30 00:38:51,150 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-11-30 00:38:51,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 00:38:51,151 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:38:51,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:38:51,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:38:51,364 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]=== [2020-11-30 00:38:51,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:38:51,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1182125245, now seen corresponding path program 1 times [2020-11-30 00:38:51,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:38:51,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227378772] [2020-11-30 00:38:51,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/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 [2020-11-30 00:38:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:38:56,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:39:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:39:02,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:39:04,686 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:39:04,686 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:39:04,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 00:39:04,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:39:04 BoogieIcfgContainer [2020-11-30 00:39:04,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:39:04,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:39:04,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:39:04,945 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:39:04,946 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:38:12" (3/4) ... [2020-11-30 00:39:04,949 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:39:05,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb618b00-c464-45e6-a591-cff9b1610934/bin/uautomizer/witness.graphml [2020-11-30 00:39:05,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:39:05,045 INFO L168 Benchmark]: Toolchain (without parser) took 82375.20 ms. Allocated memory was 67.1 MB in the beginning and 130.0 MB in the end (delta: 62.9 MB). Free memory was 48.6 MB in the beginning and 39.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 70.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,046 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:39:05,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.48 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 39.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.86 ms. Allocated memory is still 67.1 MB. Free memory was 39.8 MB in the beginning and 33.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,048 INFO L168 Benchmark]: Boogie Preprocessor took 114.06 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 28.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,049 INFO L168 Benchmark]: RCFGBuilder took 29268.92 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 28.6 MB in the beginning and 65.7 MB in the end (delta: -37.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,050 INFO L168 Benchmark]: TraceAbstraction took 52208.26 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 65.4 MB in the beginning and 43.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,051 INFO L168 Benchmark]: Witness Printer took 103.32 ms. Allocated memory is still 130.0 MB. Free memory was 43.6 MB in the beginning and 39.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:39:05,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 67.1 MB. Free memory is still 50.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 551.48 ms. Allocated memory is still 67.1 MB. Free memory was 48.4 MB in the beginning and 39.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.86 ms. Allocated memory is still 67.1 MB. Free memory was 39.8 MB in the beginning and 33.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 114.06 ms. Allocated memory is still 67.1 MB. Free memory was 33.5 MB in the beginning and 28.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 29268.92 ms. Allocated memory was 67.1 MB in the beginning and 96.5 MB in the end (delta: 29.4 MB). Free memory was 28.6 MB in the beginning and 65.7 MB in the end (delta: -37.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 52208.26 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 65.4 MB in the beginning and 43.6 MB in the end (delta: 21.8 MB). Peak memory consumption was 55.4 MB. Max. memory is 16.1 GB. * Witness Printer took 103.32 ms. Allocated memory is still 130.0 MB. Free memory was 43.6 MB in the beginning and 39.4 MB in the end (delta: 4.2 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_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, 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-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 TRUE x<0 [L140] COND FALSE !(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={2:0}] [L3] __assert_fail("0", "sin_interpolated_index-1.c", 3, "reach_error") VAL [T={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 52.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 27.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 SDtfs, 22 SDslu, 22 SDs, 0 SdLazy, 33 SolverSat, 5 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 20.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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: 0.2s SsaConstructionTime, 9.8s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 2 QuantifiedInterpolants, 496 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2262 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! Received shutdown request...