./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.25-9a8b2e8 [2020-10-20 00:20:40,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:20:40,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:20:40,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:20:40,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:20:40,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:20:40,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:20:40,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:20:40,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:20:40,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:20:40,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:20:40,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:20:40,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:20:40,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:20:40,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:20:40,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:20:40,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:20:40,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:20:40,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:20:40,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:20:40,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:20:40,657 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:20:40,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:20:40,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:20:40,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:20:40,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:20:40,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:20:40,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:20:40,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:20:40,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:20:40,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:20:40,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:20:40,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:20:40,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:20:40,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:20:40,686 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:20:40,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:20:40,687 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:20:40,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:20:40,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:20:40,689 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:20:40,690 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:20:40,731 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:20:40,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:20:40,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:20:40,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:20:40,736 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:20:40,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:20:40,736 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:20:40,737 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:20:40,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:20:40,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:20:40,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:20:40,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:20:40,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:20:40,739 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:20:40,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:20:40,740 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:20:40,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:20:40,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:20:40,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:20:40,741 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:20:40,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:20:40,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:20:40,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:20:40,743 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:20:40,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:20:40,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:20:40,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:20:40,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:20:40,744 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:20:40,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-10-20 00:20:40,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:20:41,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:20:41,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:20:41,018 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:20:41,019 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:20:41,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-20 00:20:41,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75416215/fd263f67436b4b13a1fda31268a3e75e/FLAG44876ea33 [2020-10-20 00:20:41,628 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:20:41,628 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-20 00:20:41,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75416215/fd263f67436b4b13a1fda31268a3e75e/FLAG44876ea33 [2020-10-20 00:20:41,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d75416215/fd263f67436b4b13a1fda31268a3e75e [2020-10-20 00:20:41,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:20:41,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:20:41,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:20:41,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:20:41,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:20:41,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:20:41" (1/1) ... [2020-10-20 00:20:41,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:41, skipping insertion in model container [2020-10-20 00:20:41,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:20:41" (1/1) ... [2020-10-20 00:20:41,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:20:41,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:20:42,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:20:42,309 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:20:42,343 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:20:42,434 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:20:42,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42 WrapperNode [2020-10-20 00:20:42,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:20:42,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:20:42,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:20:42,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:20:42,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:20:42,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:20:42,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:20:42,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:20:42,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... [2020-10-20 00:20:42,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:20:42,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:20:42,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:20:42,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:20:42,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:20:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:20:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:20:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:20:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:20:42,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:20:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:20:43,441 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:20:43,441 INFO L298 CfgBuilder]: Removed 68 assume(true) statements. [2020-10-20 00:20:43,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:20:43 BoogieIcfgContainer [2020-10-20 00:20:43,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:20:43,445 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:20:43,445 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:20:43,449 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:20:43,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:20:41" (1/3) ... [2020-10-20 00:20:43,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10689bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:20:43, skipping insertion in model container [2020-10-20 00:20:43,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:42" (2/3) ... [2020-10-20 00:20:43,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10689bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:20:43, skipping insertion in model container [2020-10-20 00:20:43,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:20:43" (3/3) ... [2020-10-20 00:20:43,453 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-10-20 00:20:43,465 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:20:43,475 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-20 00:20:43,489 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-20 00:20:43,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:20:43,516 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:20:43,516 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:20:43,516 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:20:43,516 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:20:43,517 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:20:43,517 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:20:43,517 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:20:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-10-20 00:20:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:20:43,544 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:20:43,545 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:20:43,546 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]=== [2020-10-20 00:20:43,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:20:43,552 INFO L82 PathProgramCache]: Analyzing trace with hash -592898998, now seen corresponding path program 1 times [2020-10-20 00:20:43,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:20:43,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516893706] [2020-10-20 00:20:43,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:20:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:20:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:20:43,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516893706] [2020-10-20 00:20:43,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:20:43,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:20:43,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976251363] [2020-10-20 00:20:43,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:20:43,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:20:43,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:20:43,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:20:43,873 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-10-20 00:20:43,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:20:43,901 INFO L93 Difference]: Finished difference Result 127 states and 156 transitions. [2020-10-20 00:20:43,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:20:43,903 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-20 00:20:43,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:20:43,913 INFO L225 Difference]: With dead ends: 127 [2020-10-20 00:20:43,914 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 00:20:43,918 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 [2020-10-20 00:20:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 00:20:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 00:20:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 00:20:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-10-20 00:20:43,955 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-10-20 00:20:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:20:43,955 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-10-20 00:20:43,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:20:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-10-20 00:20:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:20:43,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:20:43,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:20:43,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:20:43,957 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]=== [2020-10-20 00:20:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:20:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1182108364, now seen corresponding path program 1 times [2020-10-20 00:20:43,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:20:43,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692870267] [2020-10-20 00:20:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:20:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:20:44,052 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:20:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:20:44,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:20:44,200 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:20:44,201 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:20:44,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:20:44,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:20:44 BoogieIcfgContainer [2020-10-20 00:20:44,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:20:44,267 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:20:44,267 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:20:44,268 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:20:44,269 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:20:43" (3/4) ... [2020-10-20 00:20:44,273 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:20:44,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:20:44,277 INFO L168 Benchmark]: Toolchain (without parser) took 2366.74 ms. Allocated memory was 41.9 MB in the beginning and 59.8 MB in the end (delta: 17.8 MB). Free memory was 20.5 MB in the beginning and 24.4 MB in the end (delta: -3.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,279 INFO L168 Benchmark]: CDTParser took 0.91 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 17.9 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.51 ms. Allocated memory was 41.9 MB in the beginning and 45.6 MB in the end (delta: 3.7 MB). Free memory was 19.6 MB in the beginning and 26.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,281 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.93 ms. Allocated memory is still 45.6 MB. Free memory was 26.6 MB in the beginning and 21.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,282 INFO L168 Benchmark]: Boogie Preprocessor took 65.44 ms. Allocated memory is still 45.6 MB. Free memory was 21.0 MB in the beginning and 16.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,284 INFO L168 Benchmark]: RCFGBuilder took 812.88 ms. Allocated memory was 45.6 MB in the beginning and 55.6 MB in the end (delta: 10.0 MB). Free memory was 16.4 MB in the beginning and 27.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,286 INFO L168 Benchmark]: TraceAbstraction took 821.94 ms. Allocated memory was 55.6 MB in the beginning and 59.8 MB in the end (delta: 4.2 MB). Free memory was 26.8 MB in the beginning and 24.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,292 INFO L168 Benchmark]: Witness Printer took 6.09 ms. Allocated memory is still 59.8 MB. Free memory was 24.9 MB in the beginning and 24.4 MB in the end (delta: 484.8 kB). Peak memory consumption was 484.8 kB. Max. memory is 14.3 GB. [2020-10-20 00:20:44,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 17.9 MB in the end (delta: 41.7 kB). Peak memory consumption was 41.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 522.51 ms. Allocated memory was 41.9 MB in the beginning and 45.6 MB in the end (delta: 3.7 MB). Free memory was 19.6 MB in the beginning and 26.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 126.93 ms. Allocated memory is still 45.6 MB. Free memory was 26.6 MB in the beginning and 21.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 65.44 ms. Allocated memory is still 45.6 MB. Free memory was 21.0 MB in the beginning and 16.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 812.88 ms. Allocated memory was 45.6 MB in the beginning and 55.6 MB in the end (delta: 10.0 MB). Free memory was 16.4 MB in the beginning and 27.1 MB in the end (delta: -10.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 821.94 ms. Allocated memory was 55.6 MB in the beginning and 59.8 MB in the end (delta: 4.2 MB). Free memory was 26.8 MB in the beginning and 24.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 14.3 GB. * Witness Printer took 6.09 ms. Allocated memory is still 59.8 MB. Free memory was 24.9 MB in the beginning and 24.4 MB in the end (delta: 484.8 kB). Peak memory consumption was 484.8 kB. Max. memory is 14.3 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: 0.6s, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s 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 0.1.25-9a8b2e8 [2020-10-20 00:20:46,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:20:46,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:20:46,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:20:46,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:20:46,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:20:46,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:20:46,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:20:46,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:20:46,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:20:46,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:20:46,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:20:46,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:20:46,499 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:20:46,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:20:46,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:20:46,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:20:46,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:20:46,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:20:46,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:20:46,508 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:20:46,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:20:46,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:20:46,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:20:46,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:20:46,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:20:46,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:20:46,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:20:46,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:20:46,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:20:46,517 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:20:46,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:20:46,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:20:46,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:20:46,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:20:46,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:20:46,521 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:20:46,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:20:46,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:20:46,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:20:46,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:20:46,523 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:20:46,553 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:20:46,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:20:46,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:20:46,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:20:46,555 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:20:46,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:20:46,555 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:20:46,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:20:46,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:20:46,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:20:46,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:20:46,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:20:46,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:20:46,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:20:46,557 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:20:46,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:20:46,557 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:20:46,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:20:46,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:20:46,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:20:46,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:20:46,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:20:46,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:20:46,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:20:46,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:20:46,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:20:46,559 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:20:46,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:20:46,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:20:46,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:20:46,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:20:46,560 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-10-20 00:20:46,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:20:46,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:20:46,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:20:46,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:20:46,832 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:20:46,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-20 00:20:46,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212d235d7/f689b4a1c73142b08dda78dd9cb80982/FLAGb2f3a5bbc [2020-10-20 00:20:47,461 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:20:47,461 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/sin_interpolated_index-1.c [2020-10-20 00:20:47,467 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212d235d7/f689b4a1c73142b08dda78dd9cb80982/FLAGb2f3a5bbc [2020-10-20 00:20:47,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/212d235d7/f689b4a1c73142b08dda78dd9cb80982 [2020-10-20 00:20:47,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:20:47,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:20:47,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:20:47,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:20:47,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:20:47,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:20:47" (1/1) ... [2020-10-20 00:20:47,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a0525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:47, skipping insertion in model container [2020-10-20 00:20:47,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:20:47" (1/1) ... [2020-10-20 00:20:47,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:20:47,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:20:48,075 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:20:48,193 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:20:48,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:20:48,344 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:20:48,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48 WrapperNode [2020-10-20 00:20:48,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:20:48,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:20:48,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:20:48,346 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:20:48,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,383 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:20:48,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:20:48,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:20:48,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:20:48,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... [2020-10-20 00:20:48,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:20:48,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:20:48,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:20:48,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:20:48,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:20:48,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:20:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:20:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:20:48,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:20:48,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:20:48,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:21:18,751 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:21:18,753 INFO L298 CfgBuilder]: Removed 68 assume(true) statements. [2020-10-20 00:21:18,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:21:18 BoogieIcfgContainer [2020-10-20 00:21:18,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:21:18,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:21:18,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:21:18,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:21:18,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:20:47" (1/3) ... [2020-10-20 00:21:18,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318aaee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:21:18, skipping insertion in model container [2020-10-20 00:21:18,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:20:48" (2/3) ... [2020-10-20 00:21:18,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@318aaee6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:21:18, skipping insertion in model container [2020-10-20 00:21:18,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:21:18" (3/3) ... [2020-10-20 00:21:18,776 INFO L111 eAbstractionObserver]: Analyzing ICFG sin_interpolated_index-1.c [2020-10-20 00:21:18,795 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:21:18,808 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2020-10-20 00:21:18,828 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-20 00:21:18,866 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:21:18,866 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:21:18,866 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:21:18,867 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:21:18,867 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:21:18,868 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:21:18,868 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:21:18,868 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:21:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2020-10-20 00:21:18,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:21:18,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:21:18,906 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:21:18,907 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]=== [2020-10-20 00:21:18,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:21:18,916 INFO L82 PathProgramCache]: Analyzing trace with hash -592898998, now seen corresponding path program 1 times [2020-10-20 00:21:18,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:21:18,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1431597761] [2020-10-20 00:21:18,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:21:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:21:23,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:21:23,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:21:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:21:23,828 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:21:23,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:21:23,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1431597761] [2020-10-20 00:21:23,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:21:23,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:21:23,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048481716] [2020-10-20 00:21:23,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:21:23,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:21:23,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:21:23,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:21:23,886 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2020-10-20 00:21:23,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:21:23,925 INFO L93 Difference]: Finished difference Result 127 states and 156 transitions. [2020-10-20 00:21:23,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:21:23,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-20 00:21:23,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:21:23,946 INFO L225 Difference]: With dead ends: 127 [2020-10-20 00:21:23,947 INFO L226 Difference]: Without dead ends: 35 [2020-10-20 00:21:23,953 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 [2020-10-20 00:21:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-20 00:21:24,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-20 00:21:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-20 00:21:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 34 transitions. [2020-10-20 00:21:24,013 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 34 transitions. Word has length 9 [2020-10-20 00:21:24,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:21:24,014 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 34 transitions. [2020-10-20 00:21:24,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:21:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 34 transitions. [2020-10-20 00:21:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:21:24,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:21:24,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:21:24,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:21:24,219 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]=== [2020-10-20 00:21:24,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:21:24,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1182108364, now seen corresponding path program 1 times [2020-10-20 00:21:24,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:21:24,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743550700] [2020-10-20 00:21:24,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:21:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:21:29,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 1131 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 00:21:29,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:21:29,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:21:29,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:21:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:21:33,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743550700] [2020-10-20 00:21:33,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:21:33,452 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-10-20 00:21:33,452 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426037334] [2020-10-20 00:21:33,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-20 00:21:33,457 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:21:33,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 00:21:33,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2020-10-20 00:21:33,460 INFO L87 Difference]: Start difference. First operand 35 states and 34 transitions. Second operand 6 states. [2020-10-20 00:22:07,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:22:07,022 INFO L93 Difference]: Finished difference Result 35 states and 34 transitions. [2020-10-20 00:22:07,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:22:07,037 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2020-10-20 00:22:07,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:22:07,038 INFO L225 Difference]: With dead ends: 35 [2020-10-20 00:22:07,038 INFO L226 Difference]: Without dead ends: 29 [2020-10-20 00:22:07,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=22, Invalid=29, Unknown=5, NotChecked=0, Total=56 [2020-10-20 00:22:07,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-20 00:22:07,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-10-20 00:22:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-20 00:22:07,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions. [2020-10-20 00:22:07,044 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 9 [2020-10-20 00:22:07,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:22:07,044 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions. [2020-10-20 00:22:07,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-20 00:22:07,045 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions. [2020-10-20 00:22:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:22:07,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:22:07,051 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:22:07,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:22:07,254 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]=== [2020-10-20 00:22:07,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:22:07,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1182125245, now seen corresponding path program 1 times [2020-10-20 00:22:07,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:22:07,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1738599626] [2020-10-20 00:22:07,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 00:22:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:22:12,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:22:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:22:18,115 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:22:19,581 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:22:19,581 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:22:19,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:22:19,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:22:19 BoogieIcfgContainer [2020-10-20 00:22:19,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:22:19,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:22:19,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:22:19,824 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:22:19,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:21:18" (3/4) ... [2020-10-20 00:22:19,828 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:22:19,892 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:22:19,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:22:19,895 INFO L168 Benchmark]: Toolchain (without parser) took 92156.41 ms. Allocated memory was 43.0 MB in the beginning and 87.6 MB in the end (delta: 44.6 MB). Free memory was 22.8 MB in the beginning and 25.5 MB in the end (delta: -2.7 MB). Peak memory consumption was 41.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,896 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 32.5 MB. Free memory was 11.1 MB in the beginning and 11.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 601.08 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 22.0 MB in the beginning and 24.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.91 ms. Allocated memory is still 45.6 MB. Free memory was 24.1 MB in the beginning and 17.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,898 INFO L168 Benchmark]: Boogie Preprocessor took 156.76 ms. Allocated memory is still 45.6 MB. Free memory was 17.8 MB in the beginning and 12.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,899 INFO L168 Benchmark]: RCFGBuilder took 30147.36 ms. Allocated memory was 45.6 MB in the beginning and 55.6 MB in the end (delta: 10.0 MB). Free memory was 12.5 MB in the beginning and 18.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,900 INFO L168 Benchmark]: TraceAbstraction took 61063.75 ms. Allocated memory was 55.6 MB in the beginning and 87.6 MB in the end (delta: 32.0 MB). Free memory was 17.7 MB in the beginning and 29.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,901 INFO L168 Benchmark]: Witness Printer took 68.56 ms. Allocated memory is still 87.6 MB. Free memory was 29.3 MB in the beginning and 25.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:22:19,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 32.5 MB. Free memory was 11.1 MB in the beginning and 11.1 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 601.08 ms. Allocated memory was 43.0 MB in the beginning and 45.6 MB in the end (delta: 2.6 MB). Free memory was 22.0 MB in the beginning and 24.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 106.91 ms. Allocated memory is still 45.6 MB. Free memory was 24.1 MB in the beginning and 17.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 156.76 ms. Allocated memory is still 45.6 MB. Free memory was 17.8 MB in the beginning and 12.5 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 30147.36 ms. Allocated memory was 45.6 MB in the beginning and 55.6 MB in the end (delta: 10.0 MB). Free memory was 12.5 MB in the beginning and 18.2 MB in the end (delta: -5.8 MB). Peak memory consumption was 13.3 MB. Max. memory is 14.3 GB. * TraceAbstraction took 61063.75 ms. Allocated memory was 55.6 MB in the beginning and 87.6 MB in the end (delta: 32.0 MB). Free memory was 17.7 MB in the beginning and 29.3 MB in the end (delta: -11.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 14.3 GB. * Witness Printer took 68.56 ms. Allocated memory is still 87.6 MB. Free memory was 29.3 MB in the beginning and 25.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 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, 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, 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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: 60.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 33.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 89 SDtfs, 16 SDslu, 28 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 26.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.5s 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, 12.9s SatisfiabilityAnalysisTime, 5.6s 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...