./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_6.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/floats-cdfpl/sine_6.i -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 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:18:36,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:18:36,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:18:36,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:18:36,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:18:36,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:18:36,913 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:18:36,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:18:36,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:18:36,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:18:36,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:18:36,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:18:36,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:18:36,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:18:36,922 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:18:36,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:18:36,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:18:36,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:18:36,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:18:36,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:18:36,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:18:36,941 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:18:36,942 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:18:36,942 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:18:36,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:18:36,951 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:18:36,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:18:36,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:18:36,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:18:36,953 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:18:36,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:18:36,954 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:18:36,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:18:36,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:18:36,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:18:36,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:18:36,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:18:36,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:18:36,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:18:36,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:18:36,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:18:36,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 16:18:36,985 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:18:36,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:18:36,986 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:18:36,986 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:18:36,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:18:36,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:18:36,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:18:36,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:18:36,988 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:18:36,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:18:36,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:18:36,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:18:36,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:18:36,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:18:36,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:18:36,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:18:36,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 16:18:36,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 16:18:36,991 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:18:36,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:18:36,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:18:36,992 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f [2022-02-20 16:18:37,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:18:37,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:18:37,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:18:37,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:18:37,214 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:18:37,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-02-20 16:18:37,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/152e49a41/f3d370fb56a2480ca6052ad155491cb3/FLAG5dddc60ca [2022-02-20 16:18:37,606 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:18:37,607 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-02-20 16:18:37,619 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/152e49a41/f3d370fb56a2480ca6052ad155491cb3/FLAG5dddc60ca [2022-02-20 16:18:37,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/152e49a41/f3d370fb56a2480ca6052ad155491cb3 [2022-02-20 16:18:37,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:18:37,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:18:37,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:18:37,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:18:37,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:18:37,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe90561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37, skipping insertion in model container [2022-02-20 16:18:37,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:18:37,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:18:37,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-02-20 16:18:37,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:18:37,780 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:18:37,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-02-20 16:18:37,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:18:37,811 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:18:37,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37 WrapperNode [2022-02-20 16:18:37,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:18:37,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:18:37,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:18:37,813 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:18:37,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,842 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-02-20 16:18:37,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:18:37,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:18:37,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:18:37,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:18:37,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,850 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:18:37,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:18:37,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:18:37,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:18:37,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (1/1) ... [2022-02-20 16:18:37,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:18:37,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:18:37,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:18:37,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:18:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:18:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 16:18:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:18:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:18:38,016 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:18:38,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:18:38,098 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:18:38,102 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:18:38,103 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 16:18:38,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:18:38 BoogieIcfgContainer [2022-02-20 16:18:38,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:18:38,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:18:38,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:18:38,112 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:18:38,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:18:37" (1/3) ... [2022-02-20 16:18:38,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490d799d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:18:38, skipping insertion in model container [2022-02-20 16:18:38,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:37" (2/3) ... [2022-02-20 16:18:38,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490d799d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:18:38, skipping insertion in model container [2022-02-20 16:18:38,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:18:38" (3/3) ... [2022-02-20 16:18:38,117 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.i [2022-02-20 16:18:38,121 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:18:38,121 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:18:38,150 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:18:38,154 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:18:38,155 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:18:38,168 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:18:38,171 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:18:38,172 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:18:38,172 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:18:38,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:18:38,176 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-02-20 16:18:38,182 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:18:38,182 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895193598] [2022-02-20 16:18:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:18:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:18:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:18:38,272 INFO L290 TraceCheckUtils]: 0: Hoare triple {14#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); {14#true} is VALID [2022-02-20 16:18:38,272 INFO L290 TraceCheckUtils]: 1: Hoare triple {14#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~IN~0#1, main_~x~0#1, main_~result~0#1;main_~IN~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~IN~0#1, ~someUnaryFLOAToperation(1.57079632679)) && ~someBinaryFLOATComparisonOperation(main_~IN~0#1, 1.57079632679) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; {14#true} is VALID [2022-02-20 16:18:38,273 INFO L290 TraceCheckUtils]: 2: Hoare triple {14#true} assume 0 == assume_abort_if_not_~cond#1;assume false; {15#false} is VALID [2022-02-20 16:18:38,274 INFO L290 TraceCheckUtils]: 3: Hoare triple {15#false} assume { :end_inline_assume_abort_if_not } true;main_~x~0#1 := main_~IN~0#1;main_~result~0#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0#1, ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0#1, main_~x~0#1), main_~x~0#1), 6.0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0#1, main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), 120.0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0#1, main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), 5040.0)); {15#false} is VALID [2022-02-20 16:18:38,274 INFO L290 TraceCheckUtils]: 4: Hoare triple {15#false} assume !(~someBinaryFLOATComparisonOperation(main_~result~0#1, 1.2) && ~someBinaryFLOATComparisonOperation(main_~result~0#1, ~someUnaryFLOAToperation(1.2))); {15#false} is VALID [2022-02-20 16:18:38,274 INFO L290 TraceCheckUtils]: 5: Hoare triple {15#false} assume !false; {15#false} is VALID [2022-02-20 16:18:38,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:18:38,275 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 16:18:38,275 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895193598] [2022-02-20 16:18:38,276 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1895193598] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:18:38,276 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:18:38,276 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:18:38,277 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147046341] [2022-02-20 16:18:38,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:18:38,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:18:38,282 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:18:38,292 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,300 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:18:38,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:18:38,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 16:18:38,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:18:38,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:18:38,318 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:18:38,358 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-02-20 16:18:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:18:38,358 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:18:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:18:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2022-02-20 16:18:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2022-02-20 16:18:38,367 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2022-02-20 16:18:38,392 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:18:38,397 INFO L225 Difference]: With dead ends: 19 [2022-02-20 16:18:38,398 INFO L226 Difference]: Without dead ends: 7 [2022-02-20 16:18:38,400 INFO L932 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 [2022-02-20 16:18:38,402 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:18:38,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:18:38,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-02-20 16:18:38,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-02-20 16:18:38,418 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:18:38,419 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,419 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,420 INFO L87 Difference]: Start difference. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:18:38,421 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-02-20 16:18:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-02-20 16:18:38,421 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:18:38,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:18:38,422 INFO L74 IsIncluded]: Start isIncluded. First operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 7 states. [2022-02-20 16:18:38,422 INFO L87 Difference]: Start difference. First operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 7 states. [2022-02-20 16:18:38,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:18:38,423 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-02-20 16:18:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-02-20 16:18:38,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:18:38,423 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:18:38,423 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:18:38,424 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:18:38,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-02-20 16:18:38,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-02-20 16:18:38,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:18:38,426 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-02-20 16:18:38,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-02-20 16:18:38,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:18:38,427 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:18:38,427 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:18:38,427 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 16:18:38,427 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:18:38,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:18:38,428 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-02-20 16:18:38,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 16:18:38,429 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295470111] [2022-02-20 16:18:38,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:18:38,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 16:18:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:18:38,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 16:18:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 16:18:38,462 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 16:18:38,463 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 16:18:38,464 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 16:18:38,465 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 16:18:38,467 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-20 16:18:38,469 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 16:18:38,480 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L36 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2022-02-20 16:18:38,481 WARN L170 areAnnotationChecker]: L36-2 has no Hoare annotation [2022-02-20 16:18:38,482 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2022-02-20 16:18:38,482 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 16:18:38,482 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 16:18:38,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 04:18:38 BoogieIcfgContainer [2022-02-20 16:18:38,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 16:18:38,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 16:18:38,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 16:18:38,483 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 16:18:38,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:18:38" (3/4) ... [2022-02-20 16:18:38,485 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-02-20 16:18:38,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 16:18:38,486 INFO L158 Benchmark]: Toolchain (without parser) took 855.41ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 54.1MB in the beginning and 75.6MB in the end (delta: -21.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-02-20 16:18:38,487 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:18:38,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 176.90ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 53.9MB in the beginning and 107.9MB in the end (delta: -54.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-02-20 16:18:38,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.80ms. Allocated memory is still 130.0MB. Free memory was 107.9MB in the beginning and 106.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 16:18:38,489 INFO L158 Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 130.0MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:18:38,490 INFO L158 Benchmark]: RCFGBuilder took 240.29ms. Allocated memory is still 130.0MB. Free memory was 105.3MB in the beginning and 103.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-20 16:18:38,491 INFO L158 Benchmark]: TraceAbstraction took 373.67ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 75.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-02-20 16:18:38,491 INFO L158 Benchmark]: Witness Printer took 2.65ms. Allocated memory is still 130.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 16:18:38,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 176.90ms. Allocated memory was 96.5MB in the beginning and 130.0MB in the end (delta: 33.6MB). Free memory was 53.9MB in the beginning and 107.9MB in the end (delta: -54.1MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.80ms. Allocated memory is still 130.0MB. Free memory was 107.9MB in the beginning and 106.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.54ms. Allocated memory is still 130.0MB. Free memory was 106.6MB in the beginning and 105.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 240.29ms. Allocated memory is still 130.0MB. Free memory was 105.3MB in the beginning and 103.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 373.67ms. Allocated memory is still 130.0MB. Free memory was 102.8MB in the beginning and 75.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 2.65ms. Allocated memory is still 130.0MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=49, x=49] [L36] COND TRUE !(result <= 1.2f && result >= -1.2f) VAL [IN=49, x=49] [L37] reach_error() VAL [IN=49, x=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=11occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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 [2022-02-20 16:18:38,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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/floats-cdfpl/sine_6.i -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 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 16:18:40,262 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 16:18:40,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 16:18:40,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 16:18:40,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 16:18:40,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 16:18:40,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 16:18:40,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 16:18:40,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 16:18:40,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 16:18:40,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 16:18:40,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 16:18:40,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 16:18:40,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 16:18:40,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 16:18:40,328 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 16:18:40,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 16:18:40,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 16:18:40,331 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 16:18:40,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 16:18:40,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 16:18:40,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 16:18:40,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 16:18:40,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 16:18:40,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 16:18:40,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 16:18:40,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 16:18:40,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 16:18:40,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 16:18:40,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 16:18:40,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 16:18:40,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 16:18:40,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 16:18:40,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 16:18:40,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 16:18:40,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 16:18:40,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 16:18:40,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 16:18:40,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 16:18:40,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 16:18:40,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 16:18:40,355 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-02-20 16:18:40,383 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 16:18:40,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 16:18:40,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 16:18:40,384 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 16:18:40,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 16:18:40,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 16:18:40,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 16:18:40,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 16:18:40,386 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 16:18:40,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 16:18:40,387 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 16:18:40,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 16:18:40,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 16:18:40,387 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 16:18:40,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 16:18:40,388 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 16:18:40,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 16:18:40,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 16:18:40,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 16:18:40,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 16:18:40,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:18:40,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 16:18:40,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 16:18:40,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 16:18:40,390 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-20 16:18:40,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-20 16:18:40,390 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 16:18:40,390 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 16:18:40,391 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 16:18:40,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-20 16:18:40,391 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f [2022-02-20 16:18:40,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 16:18:40,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 16:18:40,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 16:18:40,659 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 16:18:40,661 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 16:18:40,662 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-02-20 16:18:40,721 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b136f77/11c8743bcc6749da8300d65d846e2b8f/FLAGd3fa3af62 [2022-02-20 16:18:41,107 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 16:18:41,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-02-20 16:18:41,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b136f77/11c8743bcc6749da8300d65d846e2b8f/FLAGd3fa3af62 [2022-02-20 16:18:41,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/97b136f77/11c8743bcc6749da8300d65d846e2b8f [2022-02-20 16:18:41,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 16:18:41,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 16:18:41,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 16:18:41,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 16:18:41,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 16:18:41,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eeee7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41, skipping insertion in model container [2022-02-20 16:18:41,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 16:18:41,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 16:18:41,284 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-02-20 16:18:41,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:18:41,327 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 16:18:41,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-02-20 16:18:41,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 16:18:41,363 INFO L208 MainTranslator]: Completed translation [2022-02-20 16:18:41,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41 WrapperNode [2022-02-20 16:18:41,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 16:18:41,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 16:18:41,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 16:18:41,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 16:18:41,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,400 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-02-20 16:18:41,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 16:18:41,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 16:18:41,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 16:18:41,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 16:18:41,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 16:18:41,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 16:18:41,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 16:18:41,435 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 16:18:41,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (1/1) ... [2022-02-20 16:18:41,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 16:18:41,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 16:18:41,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 16:18:41,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 16:18:41,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 16:18:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-02-20 16:18:41,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 16:18:41,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 16:18:41,546 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 16:18:41,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 16:18:43,930 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 16:18:43,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 16:18:43,935 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-20 16:18:43,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:18:43 BoogieIcfgContainer [2022-02-20 16:18:43,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 16:18:43,937 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 16:18:43,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 16:18:43,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 16:18:43,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 04:18:41" (1/3) ... [2022-02-20 16:18:43,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b548843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:18:43, skipping insertion in model container [2022-02-20 16:18:43,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 04:18:41" (2/3) ... [2022-02-20 16:18:43,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b548843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 04:18:43, skipping insertion in model container [2022-02-20 16:18:43,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 04:18:43" (3/3) ... [2022-02-20 16:18:43,947 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.i [2022-02-20 16:18:43,950 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 16:18:43,951 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 16:18:43,990 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 16:18:43,995 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 16:18:43,995 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 16:18:44,005 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:44,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:18:44,008 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:18:44,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:18:44,009 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:18:44,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:18:44,013 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-02-20 16:18:44,022 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:18:44,023 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1163598479] [2022-02-20 16:18:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:18:44,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:18:44,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:18:44,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:18:44,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-02-20 16:18:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:18:44,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-02-20 16:18:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 16:18:44,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-20 16:18:44,555 INFO L290 TraceCheckUtils]: 0: Hoare triple {14#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0bv32, 0bv32;assume 0bv1 == #valid[0bv32];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;call #Ultimate.allocInit(2bv32, 1bv32);call write~init~intINTTYPE1(48bv8, 1bv32, 0bv32, 1bv32);call write~init~intINTTYPE1(0bv8, 1bv32, 1bv32, 1bv32);call #Ultimate.allocInit(9bv32, 2bv32); {14#true} is VALID [2022-02-20 16:18:44,556 INFO L290 TraceCheckUtils]: 1: Hoare triple {14#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~IN~0#1, main_~x~0#1, main_~result~0#1;main_~IN~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~fp.gt~FLOAT(main_~IN~0#1, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.57079632679))) && ~fp.lt~FLOAT(main_~IN~0#1, ~to_fp~FLOAT(currentRoundingMode, 1.57079632679)) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; {14#true} is VALID [2022-02-20 16:18:44,557 INFO L290 TraceCheckUtils]: 2: Hoare triple {14#true} assume 0bv32 == assume_abort_if_not_~cond#1;assume false; {15#false} is VALID [2022-02-20 16:18:44,557 INFO L290 TraceCheckUtils]: 3: Hoare triple {15#false} assume { :end_inline_assume_abort_if_not } true;main_~x~0#1 := main_~IN~0#1;main_~result~0#1 := ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, main_~x~0#1, ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0#1, main_~x~0#1), main_~x~0#1), ~to_fp~FLOAT(currentRoundingMode, 6.0))), ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0#1, main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), ~to_fp~FLOAT(currentRoundingMode, 120.0))), ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0#1, main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), main_~x~0#1), ~to_fp~FLOAT(currentRoundingMode, 5040.0))); {15#false} is VALID [2022-02-20 16:18:44,557 INFO L290 TraceCheckUtils]: 4: Hoare triple {15#false} assume !(~fp.leq~FLOAT(main_~result~0#1, ~to_fp~FLOAT(currentRoundingMode, 1.2)) && ~fp.geq~FLOAT(main_~result~0#1, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.2)))); {15#false} is VALID [2022-02-20 16:18:44,557 INFO L290 TraceCheckUtils]: 5: Hoare triple {15#false} assume !false; {15#false} is VALID [2022-02-20 16:18:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 16:18:44,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-20 16:18:44,559 INFO L144 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-02-20 16:18:44,559 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1163598479] [2022-02-20 16:18:44,560 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1163598479] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 16:18:44,560 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 16:18:44,560 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 16:18:44,561 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629717826] [2022-02-20 16:18:44,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 16:18:44,565 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:18:44,566 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 16:18:44,568 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:45,650 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:18:45,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 16:18:45,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-02-20 16:18:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 16:18:45,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:18:45,664 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:48,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:18:48,016 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-02-20 16:18:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 16:18:48,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-02-20 16:18:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 16:18:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:48,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2022-02-20 16:18:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:48,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2022-02-20 16:18:48,022 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2022-02-20 16:18:50,174 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 16:18:50,179 INFO L225 Difference]: With dead ends: 19 [2022-02-20 16:18:50,179 INFO L226 Difference]: Without dead ends: 7 [2022-02-20 16:18:50,180 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 16:18:50,185 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 16:18:50,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 16:18:50,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-02-20 16:18:50,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-02-20 16:18:50,202 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 16:18:50,202 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:50,202 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:50,203 INFO L87 Difference]: Start difference. First operand 7 states. Second operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:50,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:18:50,204 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-02-20 16:18:50,204 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-02-20 16:18:50,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:18:50,204 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:18:50,211 INFO L74 IsIncluded]: Start isIncluded. First operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 7 states. [2022-02-20 16:18:50,212 INFO L87 Difference]: Start difference. First operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand 7 states. [2022-02-20 16:18:50,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 16:18:50,213 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2022-02-20 16:18:50,213 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-02-20 16:18:50,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 16:18:50,213 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 16:18:50,213 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 16:18:50,213 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 16:18:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.0) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:50,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-02-20 16:18:50,215 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-02-20 16:18:50,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 16:18:50,215 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-02-20 16:18:50,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 16:18:50,216 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-02-20 16:18:50,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-02-20 16:18:50,216 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 16:18:50,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-02-20 16:18:50,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-02-20 16:18:50,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-02-20 16:18:50,422 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 16:18:50,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 16:18:50,423 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-02-20 16:18:50,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-02-20 16:18:50,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077996290] [2022-02-20 16:18:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 16:18:50,423 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-02-20 16:18:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-02-20 16:18:50,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-02-20 16:18:50,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process