./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.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_1.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 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 13:39:00,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:39:00,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:39:00,103 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:39:00,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:39:00,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:39:00,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:39:00,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:39:00,110 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:39:00,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:39:00,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:39:00,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:39:00,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:39:00,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:39:00,120 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:39:00,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:39:00,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:39:00,125 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:39:00,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:39:00,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:39:00,132 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:39:00,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:39:00,134 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:39:00,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:39:00,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:39:00,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:39:00,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:39:00,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:39:00,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:39:00,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:39:00,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:39:00,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:39:00,147 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:39:00,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:39:00,148 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:39:00,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:39:00,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:39:00,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:39:00,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:39:00,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:39:00,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:39:00,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:39:00,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 13:39:00,181 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:39:00,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:39:00,182 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:39:00,182 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:39:00,183 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:39:00,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:39:00,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:39:00,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:39:00,184 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:39:00,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:39:00,185 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:39:00,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 13:39:00,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:39:00,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:39:00,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:39:00,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:39:00,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:39:00,186 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:39:00,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:39:00,187 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:39:00,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:39:00,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:39:00,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:39:00,187 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:39:00,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:00,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:39:00,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:39:00,188 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:39:00,188 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 13:39:00,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 13:39:00,189 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:39:00,189 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:39:00,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:39:00,189 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 [2022-07-22 13:39:00,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:39:00,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:39:00,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:39:00,442 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:39:00,442 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:39:00,443 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-22 13:39:00,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7b10c50/ed08d826cc2c49f28140595b03aa9a1c/FLAGaa4fafcad [2022-07-22 13:39:00,846 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:39:00,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-22 13:39:00,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7b10c50/ed08d826cc2c49f28140595b03aa9a1c/FLAGaa4fafcad [2022-07-22 13:39:00,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee7b10c50/ed08d826cc2c49f28140595b03aa9a1c [2022-07-22 13:39:00,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:39:00,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:39:00,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:00,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:39:00,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:39:00,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:00" (1/1) ... [2022-07-22 13:39:00,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce23390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:00, skipping insertion in model container [2022-07-22 13:39:00,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:00" (1/1) ... [2022-07-22 13:39:00,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:39:00,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:39:01,037 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_1.i[1641,1654] [2022-07-22 13:39:01,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:01,053 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:39:01,066 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_1.i[1641,1654] [2022-07-22 13:39:01,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:01,079 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:39:01,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01 WrapperNode [2022-07-22 13:39:01,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:01,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:01,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:39:01,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:39:01,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,111 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-07-22 13:39:01,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:01,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:39:01,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:39:01,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:39:01,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,126 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:39:01,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:39:01,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:39:01,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:39:01,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (1/1) ... [2022-07-22 13:39:01,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:39:01,156 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) [2022-07-22 13:39:01,166 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 [2022-07-22 13:39:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:39:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 13:39:01,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:39:01,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:39:01,228 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:39:01,229 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:39:01,281 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:39:01,286 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:39:01,286 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:39:01,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:01 BoogieIcfgContainer [2022-07-22 13:39:01,288 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:39:01,289 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:39:01,289 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:39:01,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:39:01,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:39:00" (1/3) ... [2022-07-22 13:39:01,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f04f653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:01, skipping insertion in model container [2022-07-22 13:39:01,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:01" (2/3) ... [2022-07-22 13:39:01,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f04f653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:01, skipping insertion in model container [2022-07-22 13:39:01,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:01" (3/3) ... [2022-07-22 13:39:01,294 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_1.i [2022-07-22 13:39:01,307 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:39:01,307 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:39:01,349 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:39:01,356 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@79de705f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@331e06e1 [2022-07-22 13:39:01,356 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:39:01,360 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) [2022-07-22 13:39:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:01,365 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:01,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:01,366 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:01,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:01,370 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-22 13:39:01,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:39:01,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154582166] [2022-07-22 13:39:01,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:01,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:39:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:39:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:39:01,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 13:39:01,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154582166] [2022-07-22 13:39:01,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154582166] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:39:01,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:39:01,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 13:39:01,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987025167] [2022-07-22 13:39:01,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:39:01,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 13:39:01,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 13:39:01,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 13:39:01,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 13:39:01,529 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) [2022-07-22 13:39:01,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:39:01,539 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-22 13:39:01,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 13:39:01,542 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 [2022-07-22 13:39:01,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:39:01,549 INFO L225 Difference]: With dead ends: 19 [2022-07-22 13:39:01,549 INFO L226 Difference]: Without dead ends: 7 [2022-07-22 13:39:01,552 INFO L412 NwaCegarLoop]: 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 [2022-07-22 13:39:01,556 INFO L413 NwaCegarLoop]: 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 [2022-07-22 13:39:01,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 13:39:01,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-22 13:39:01,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-22 13:39:01,582 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) [2022-07-22 13:39:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-22 13:39:01,584 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-22 13:39:01,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:39:01,585 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-22 13:39:01,585 INFO L496 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) [2022-07-22 13:39:01,586 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-22 13:39:01,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:01,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:01,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:01,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 13:39:01,587 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:01,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:01,588 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-22 13:39:01,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 13:39:01,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059299974] [2022-07-22 13:39:01,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:01,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 13:39:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:01,632 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 13:39:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:01,657 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 13:39:01,659 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 13:39:01,661 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:39:01,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 13:39:01,676 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 13:39:01,680 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:39:01,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:39:01 BoogieIcfgContainer [2022-07-22 13:39:01,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:39:01,709 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:39:01,709 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:39:01,709 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:39:01,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:01" (3/4) ... [2022-07-22 13:39:01,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-22 13:39:01,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:39:01,716 INFO L158 Benchmark]: Toolchain (without parser) took 849.42ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 51.1MB in the end (delta: 18.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-07-22 13:39:01,716 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 86.6MB in the beginning and 86.5MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:01,717 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.27ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 84.8MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-22 13:39:01,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.64ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 83.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:39:01,722 INFO L158 Benchmark]: Boogie Preprocessor took 13.72ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 82.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 13:39:01,722 INFO L158 Benchmark]: RCFGBuilder took 161.34ms. Allocated memory is still 109.1MB. Free memory was 82.2MB in the beginning and 73.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:39:01,723 INFO L158 Benchmark]: TraceAbstraction took 417.38ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 51.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-22 13:39:01,723 INFO L158 Benchmark]: Witness Printer took 6.31ms. Allocated memory is still 109.1MB. Free memory was 51.5MB in the beginning and 51.1MB in the end (delta: 331.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:01,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory was 86.6MB in the beginning and 86.5MB in the end (delta: 91.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.27ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 84.8MB in the end (delta: -14.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.64ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 83.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.72ms. Allocated memory is still 109.1MB. Free memory was 83.4MB in the beginning and 82.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 161.34ms. Allocated memory is still 109.1MB. Free memory was 82.2MB in the beginning and 73.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 417.38ms. Allocated memory is still 109.1MB. Free memory was 73.3MB in the beginning and 51.5MB in the end (delta: 21.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 6.31ms. Allocated memory is still 109.1MB. Free memory was 51.5MB in the beginning and 51.1MB in the end (delta: 331.8kB). 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 30, overapproximation of someBinaryDOUBLEComparisonOperation 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 <= 0.99 && result >= -0.99) 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, 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 [2022-07-22 13:39:01,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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 -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_1.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 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 13:39:03,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 13:39:03,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 13:39:03,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 13:39:03,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 13:39:03,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 13:39:03,639 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 13:39:03,641 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 13:39:03,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 13:39:03,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 13:39:03,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 13:39:03,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 13:39:03,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 13:39:03,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 13:39:03,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 13:39:03,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 13:39:03,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 13:39:03,663 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 13:39:03,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 13:39:03,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 13:39:03,672 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 13:39:03,673 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 13:39:03,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 13:39:03,676 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 13:39:03,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 13:39:03,680 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 13:39:03,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 13:39:03,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 13:39:03,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 13:39:03,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 13:39:03,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 13:39:03,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 13:39:03,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 13:39:03,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 13:39:03,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 13:39:03,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 13:39:03,694 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 13:39:03,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 13:39:03,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 13:39:03,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 13:39:03,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 13:39:03,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 13:39:03,700 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-22 13:39:03,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 13:39:03,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 13:39:03,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 13:39:03,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 13:39:03,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 13:39:03,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 13:39:03,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 13:39:03,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 13:39:03,734 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 13:39:03,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 13:39:03,734 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 13:39:03,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 13:39:03,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 13:39:03,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 13:39:03,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 13:39:03,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 13:39:03,735 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-22 13:39:03,735 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-22 13:39:03,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-22 13:39:03,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 13:39:03,738 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 13:39:03,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 13:39:03,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 13:39:03,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 13:39:03,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 13:39:03,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 13:39:03,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:03,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 13:39:03,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 13:39:03,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 13:39:03,740 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-22 13:39:03,740 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-22 13:39:03,740 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 13:39:03,740 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 13:39:03,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 13:39:03,741 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-22 13:39:03,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115863a410601bfe28083e59f2212cb531c98853477b5f37bf1c6feea96cfdd4 [2022-07-22 13:39:04,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 13:39:04,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 13:39:04,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 13:39:04,032 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 13:39:04,032 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 13:39:04,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-22 13:39:04,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f520e5cb9/205d6733805247c8adab262c6abdbe1d/FLAG140ab94db [2022-07-22 13:39:04,469 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 13:39:04,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_1.i [2022-07-22 13:39:04,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f520e5cb9/205d6733805247c8adab262c6abdbe1d/FLAG140ab94db [2022-07-22 13:39:04,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f520e5cb9/205d6733805247c8adab262c6abdbe1d [2022-07-22 13:39:04,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 13:39:04,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 13:39:04,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:04,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 13:39:04,902 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 13:39:04,903 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:04" (1/1) ... [2022-07-22 13:39:04,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@650e62be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:04, skipping insertion in model container [2022-07-22 13:39:04,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 01:39:04" (1/1) ... [2022-07-22 13:39:04,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 13:39:04,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 13:39:05,078 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_1.i[1641,1654] [2022-07-22 13:39:05,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:05,101 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 13:39:05,125 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_1.i[1641,1654] [2022-07-22 13:39:05,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 13:39:05,162 INFO L208 MainTranslator]: Completed translation [2022-07-22 13:39:05,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05 WrapperNode [2022-07-22 13:39:05,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 13:39:05,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:05,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 13:39:05,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 13:39:05,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,208 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-07-22 13:39:05,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 13:39:05,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 13:39:05,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 13:39:05,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 13:39:05,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,223 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 13:39:05,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 13:39:05,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 13:39:05,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 13:39:05,252 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (1/1) ... [2022-07-22 13:39:05,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 13:39:05,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 13:39:05,300 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) [2022-07-22 13:39:05,324 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 [2022-07-22 13:39:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 13:39:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-22 13:39:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 13:39:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 13:39:05,410 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 13:39:05,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 13:39:07,838 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 13:39:07,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 13:39:07,842 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-22 13:39:07,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:07 BoogieIcfgContainer [2022-07-22 13:39:07,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 13:39:07,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 13:39:07,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 13:39:07,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 13:39:07,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 01:39:04" (1/3) ... [2022-07-22 13:39:07,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c246e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:07, skipping insertion in model container [2022-07-22 13:39:07,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 01:39:05" (2/3) ... [2022-07-22 13:39:07,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c246e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 01:39:07, skipping insertion in model container [2022-07-22 13:39:07,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:07" (3/3) ... [2022-07-22 13:39:07,851 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_1.i [2022-07-22 13:39:07,863 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 13:39:07,863 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 13:39:07,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 13:39:07,905 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@9ebbf9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@40cb58ba [2022-07-22 13:39:07,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 13:39:07,911 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) [2022-07-22 13:39:07,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:07,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:07,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:07,920 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:07,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:07,925 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-22 13:39:07,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:39:07,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036348105] [2022-07-22 13:39:07,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:07,944 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:39:07,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:39:07,947 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) [2022-07-22 13:39:07,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-22 13:39:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 13:39:08,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-22 13:39:08,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 13:39:08,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 13:39:08,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-22 13:39:08,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-22 13:39:08,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036348105] [2022-07-22 13:39:08,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036348105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 13:39:08,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 13:39:08,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 13:39:08,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026192527] [2022-07-22 13:39:08,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 13:39:08,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 13:39:08,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-22 13:39:08,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 13:39:08,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 13:39:08,603 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) [2022-07-22 13:39:08,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 13:39:08,613 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-22 13:39:08,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 13:39:08,615 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 [2022-07-22 13:39:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 13:39:08,621 INFO L225 Difference]: With dead ends: 19 [2022-07-22 13:39:08,621 INFO L226 Difference]: Without dead ends: 7 [2022-07-22 13:39:08,626 INFO L412 NwaCegarLoop]: 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 [2022-07-22 13:39:08,630 INFO L413 NwaCegarLoop]: 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 [2022-07-22 13:39:08,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 13:39:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-22 13:39:08,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-22 13:39:08,652 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) [2022-07-22 13:39:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-22 13:39:08,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-22 13:39:08,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 13:39:08,654 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-22 13:39:08,655 INFO L496 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) [2022-07-22 13:39:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-22 13:39:08,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-22 13:39:08,656 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 13:39:08,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-22 13:39:08,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-22 13:39:08,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:39:08,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 13:39:08,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 13:39:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-22 13:39:08,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-22 13:39:08,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469306475] [2022-07-22 13:39:08,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 13:39:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-22 13:39:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-22 13:39:08,865 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) [2022-07-22 13:39:08,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-22 13:39:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:14,581 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 13:39:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 13:39:15,901 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-22 13:39:15,902 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-22 13:39:15,903 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 13:39:15,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-22 13:39:16,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-22 13:39:16,108 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-22 13:39:16,111 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 13:39:16,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 01:39:16 BoogieIcfgContainer [2022-07-22 13:39:16,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 13:39:16,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 13:39:16,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 13:39:16,128 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 13:39:16,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 01:39:07" (3/4) ... [2022-07-22 13:39:16,130 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-22 13:39:16,169 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 13:39:16,169 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 13:39:16,169 INFO L158 Benchmark]: Toolchain (without parser) took 11270.62ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 27.3MB in the beginning and 31.7MB in the end (delta: -4.4MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-07-22 13:39:16,170 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:16,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.96ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 27.2MB in the beginning and 48.5MB in the end (delta: -21.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-07-22 13:39:16,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.40ms. Allocated memory is still 65.0MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:16,171 INFO L158 Benchmark]: Boogie Preprocessor took 39.76ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 45.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:16,171 INFO L158 Benchmark]: RCFGBuilder took 2593.14ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 37.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-22 13:39:16,171 INFO L158 Benchmark]: TraceAbstraction took 8281.61ms. Allocated memory is still 65.0MB. Free memory was 37.0MB in the beginning and 33.3MB in the end (delta: 3.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-07-22 13:39:16,174 INFO L158 Benchmark]: Witness Printer took 41.01ms. Allocated memory is still 65.0MB. Free memory was 33.3MB in the beginning and 31.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 13:39:16,180 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.96ms. Allocated memory was 50.3MB in the beginning and 65.0MB in the end (delta: 14.7MB). Free memory was 27.2MB in the beginning and 48.5MB in the end (delta: -21.3MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.40ms. Allocated memory is still 65.0MB. Free memory was 48.3MB in the beginning and 46.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.76ms. Allocated memory is still 65.0MB. Free memory was 46.9MB in the beginning and 45.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2593.14ms. Allocated memory is still 65.0MB. Free memory was 45.7MB in the beginning and 37.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8281.61ms. Allocated memory is still 65.0MB. Free memory was 37.0MB in the beginning and 33.3MB in the end (delta: 3.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 41.01ms. Allocated memory is still 65.0MB. Free memory was 33.3MB in the beginning and 31.7MB in the end (delta: 1.6MB). 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 - CounterExampleResult [Line: 37]: a call to reach_error is reachable a call to reach_error is reachable We found a 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=-1.41421639919281, result=-0.9921947717666626, x=-1.41421639919281] [L36] COND TRUE !(result <= 0.99 && result >= -0.99) VAL [IN=-1.41421639919281, result=-0.9921947717666626, x=-1.41421639919281] [L37] reach_error() VAL [IN=-1.41421639919281, result=-0.9921947717666626, x=-1.41421639919281] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 5 GetRequests, 5 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, 6.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 1 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 proved your program to be incorrect! [2022-07-22 13:39:16,294 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE