./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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_3.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 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:26:35,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:26:35,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:26:35,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:26:35,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:26:35,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:26:35,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:26:35,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:26:35,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:26:35,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:26:35,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:26:35,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:26:35,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:26:35,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:26:35,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:26:35,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:26:35,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:26:35,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:26:35,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:26:35,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:26:35,172 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:26:35,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:26:35,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:26:35,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:26:35,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:26:35,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:26:35,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:26:35,179 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:26:35,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:26:35,180 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:26:35,181 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:26:35,181 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:26:35,182 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:26:35,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:26:35,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:26:35,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:26:35,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:26:35,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:26:35,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:26:35,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:26:35,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:26:35,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:26:35,188 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 13:26:35,219 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:26:35,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:26:35,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:26:35,220 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:26:35,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:26:35,221 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:26:35,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:26:35,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:26:35,222 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:26:35,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:26:35,224 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:26:35,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 13:26:35,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:26:35,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:26:35,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:26:35,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:26:35,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:26:35,225 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:26:35,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:26:35,226 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:26:35,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:26:35,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:26:35,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:26:35,227 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:26:35,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:26:35,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:26:35,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:26:35,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:26:35,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 13:26:35,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 13:26:35,229 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:26:35,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:26:35,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:26:35,229 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 [2022-07-19 13:26:35,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:26:35,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:26:35,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:26:35,488 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:26:35,488 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:26:35,490 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-19 13:26:35,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f679372/634731dce383463bbfe963867802ac76/FLAG3b2a2dd81 [2022-07-19 13:26:35,922 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:26:35,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-19 13:26:35,928 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f679372/634731dce383463bbfe963867802ac76/FLAG3b2a2dd81 [2022-07-19 13:26:36,352 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f679372/634731dce383463bbfe963867802ac76 [2022-07-19 13:26:36,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:26:36,355 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:26:36,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:26:36,357 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:26:36,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:26:36,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183d7f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36, skipping insertion in model container [2022-07-19 13:26:36,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:26:36,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:26:36,545 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_3.i[1645,1658] [2022-07-19 13:26:36,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:26:36,565 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:26:36,591 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_3.i[1645,1658] [2022-07-19 13:26:36,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:26:36,606 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:26:36,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36 WrapperNode [2022-07-19 13:26:36,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:26:36,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:26:36,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:26:36,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:26:36,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,643 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-07-19 13:26:36,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:26:36,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:26:36,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:26:36,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:26:36,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:26:36,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:26:36,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:26:36,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:26:36,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (1/1) ... [2022-07-19 13:26:36,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:26:36,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:26:36,693 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) [2022-07-19 13:26:36,695 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 [2022-07-19 13:26:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:26:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 13:26:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:26:36,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:26:36,763 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:26:36,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:26:36,820 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:26:36,823 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:26:36,824 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:26:36,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:26:36 BoogieIcfgContainer [2022-07-19 13:26:36,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:26:36,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:26:36,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:26:36,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:26:36,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:26:36" (1/3) ... [2022-07-19 13:26:36,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4043db23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:26:36, skipping insertion in model container [2022-07-19 13:26:36,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:36" (2/3) ... [2022-07-19 13:26:36,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4043db23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:26:36, skipping insertion in model container [2022-07-19 13:26:36,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:26:36" (3/3) ... [2022-07-19 13:26:36,831 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_3.i [2022-07-19 13:26:36,847 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:26:36,847 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:26:36,887 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:26:36,893 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@6a5517ed, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5b4f13bb [2022-07-19 13:26:36,894 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:26:36,899 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) [2022-07-19 13:26:36,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-19 13:26:36,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:26:36,915 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-19 13:26:36,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:26:36,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:26:36,924 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-19 13:26:36,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 13:26:36,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268450846] [2022-07-19 13:26:36,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:26:36,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 13:26:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 13:26:37,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 13:26:37,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 13:26:37,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268450846] [2022-07-19 13:26:37,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268450846] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 13:26:37,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 13:26:37,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 13:26:37,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871093293] [2022-07-19 13:26:37,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 13:26:37,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 13:26:37,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 13:26:37,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 13:26:37,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 13:26:37,088 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) [2022-07-19 13:26:37,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 13:26:37,103 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-19 13:26:37,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 13:26:37,105 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 [2022-07-19 13:26:37,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 13:26:37,112 INFO L225 Difference]: With dead ends: 19 [2022-07-19 13:26:37,113 INFO L226 Difference]: Without dead ends: 7 [2022-07-19 13:26:37,116 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 [2022-07-19 13:26:37,120 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 [2022-07-19 13:26:37,121 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] [2022-07-19 13:26:37,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-19 13:26:37,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-19 13:26:37,144 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) [2022-07-19 13:26:37,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-19 13:26:37,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-19 13:26:37,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 13:26:37,147 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-19 13:26:37,148 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) [2022-07-19 13:26:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-19 13:26:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-19 13:26:37,148 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:26:37,148 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-19 13:26:37,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 13:26:37,149 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:26:37,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:26:37,150 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-19 13:26:37,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 13:26:37,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360352934] [2022-07-19 13:26:37,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:26:37,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 13:26:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:26:37,200 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 13:26:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:26:37,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-19 13:26:37,231 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 13:26:37,234 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 13:26:37,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 13:26:37,241 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-19 13:26:37,250 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:26:37,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:26:37 BoogieIcfgContainer [2022-07-19 13:26:37,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:26:37,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:26:37,280 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:26:37,280 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:26:37,280 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:26:36" (3/4) ... [2022-07-19 13:26:37,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-19 13:26:37,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:26:37,285 INFO L158 Benchmark]: Toolchain (without parser) took 929.10ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 72.4MB in the beginning and 98.4MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:26:37,286 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:26:37,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.76ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 77.7MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 13:26:37,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.54ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:26:37,291 INFO L158 Benchmark]: Boogie Preprocessor took 21.46ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 75.6MB in the end (delta: 871.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:26:37,293 INFO L158 Benchmark]: RCFGBuilder took 158.26ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 66.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 13:26:37,294 INFO L158 Benchmark]: TraceAbstraction took 452.26ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 66.4MB in the beginning and 99.0MB in the end (delta: -32.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2022-07-19 13:26:37,294 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 121.6MB. Free memory was 99.0MB in the beginning and 98.4MB in the end (delta: 607.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:26:37,299 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.76ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 77.7MB in the end (delta: -5.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.54ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 76.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.46ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 75.6MB in the end (delta: 871.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 158.26ms. Allocated memory is still 100.7MB. Free memory was 75.6MB in the beginning and 66.8MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 452.26ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 66.4MB in the beginning and 99.0MB in the end (delta: -32.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 121.6MB. Free memory was 99.0MB in the beginning and 98.4MB in the end (delta: 607.5kB). 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 <= 1.001f && result >= -1.001f) 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: 0.4s, 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 [2022-07-19 13:26:37,350 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_3.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 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 13:26:39,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 13:26:39,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 13:26:39,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 13:26:39,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 13:26:39,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 13:26:39,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 13:26:39,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 13:26:39,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 13:26:39,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 13:26:39,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 13:26:39,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 13:26:39,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 13:26:39,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 13:26:39,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 13:26:39,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 13:26:39,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 13:26:39,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 13:26:39,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 13:26:39,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 13:26:39,414 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 13:26:39,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 13:26:39,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 13:26:39,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 13:26:39,420 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 13:26:39,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 13:26:39,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 13:26:39,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 13:26:39,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 13:26:39,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 13:26:39,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 13:26:39,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 13:26:39,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 13:26:39,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 13:26:39,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 13:26:39,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 13:26:39,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 13:26:39,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 13:26:39,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 13:26:39,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 13:26:39,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 13:26:39,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 13:26:39,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-19 13:26:39,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 13:26:39,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 13:26:39,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 13:26:39,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 13:26:39,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 13:26:39,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 13:26:39,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 13:26:39,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 13:26:39,482 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 13:26:39,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 13:26:39,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 13:26:39,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 13:26:39,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 13:26:39,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 13:26:39,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 13:26:39,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 13:26:39,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-19 13:26:39,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-19 13:26:39,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-19 13:26:39,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 13:26:39,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 13:26:39,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 13:26:39,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 13:26:39,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 13:26:39,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 13:26:39,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 13:26:39,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:26:39,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 13:26:39,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 13:26:39,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 13:26:39,496 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-19 13:26:39,496 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-19 13:26:39,497 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 13:26:39,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 13:26:39,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 13:26:39,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-19 13:26:39,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c97aef95b7595712e5ad68485e4e45fe6afa93759e7be1863a24c0e9ba7fdb2 [2022-07-19 13:26:39,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 13:26:39,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 13:26:39,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 13:26:39,846 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 13:26:39,846 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 13:26:39,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-19 13:26:39,907 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986e1e884/0ef02e3424884f5aa5811c2a0b4c713d/FLAG50924b565 [2022-07-19 13:26:40,281 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 13:26:40,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_3.i [2022-07-19 13:26:40,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986e1e884/0ef02e3424884f5aa5811c2a0b4c713d/FLAG50924b565 [2022-07-19 13:26:40,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986e1e884/0ef02e3424884f5aa5811c2a0b4c713d [2022-07-19 13:26:40,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 13:26:40,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 13:26:40,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 13:26:40,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 13:26:40,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 13:26:40,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:40,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3841d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40, skipping insertion in model container [2022-07-19 13:26:40,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:40,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 13:26:40,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 13:26:40,893 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_3.i[1645,1658] [2022-07-19 13:26:40,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:26:40,915 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 13:26:40,939 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_3.i[1645,1658] [2022-07-19 13:26:40,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 13:26:40,971 INFO L208 MainTranslator]: Completed translation [2022-07-19 13:26:40,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40 WrapperNode [2022-07-19 13:26:40,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 13:26:40,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 13:26:40,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 13:26:40,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 13:26:40,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:40,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,015 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-07-19 13:26:41,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 13:26:41,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 13:26:41,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 13:26:41,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 13:26:41,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 13:26:41,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 13:26:41,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 13:26:41,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 13:26:41,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (1/1) ... [2022-07-19 13:26:41,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 13:26:41,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 13:26:41,089 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) [2022-07-19 13:26:41,118 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 [2022-07-19 13:26:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 13:26:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-19 13:26:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 13:26:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 13:26:41,198 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 13:26:41,201 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 13:26:43,562 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 13:26:43,567 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 13:26:43,567 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-19 13:26:43,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:26:43 BoogieIcfgContainer [2022-07-19 13:26:43,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 13:26:43,570 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 13:26:43,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 13:26:43,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 13:26:43,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 01:26:40" (1/3) ... [2022-07-19 13:26:43,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428672b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:26:43, skipping insertion in model container [2022-07-19 13:26:43,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 01:26:40" (2/3) ... [2022-07-19 13:26:43,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428672b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 01:26:43, skipping insertion in model container [2022-07-19 13:26:43,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:26:43" (3/3) ... [2022-07-19 13:26:43,575 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_3.i [2022-07-19 13:26:43,591 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 13:26:43,591 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 13:26:43,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 13:26:43,638 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@5d3e0bac, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@282d3b16 [2022-07-19 13:26:43,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 13:26:43,642 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) [2022-07-19 13:26:43,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-19 13:26:43,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:26:43,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-19 13:26:43,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:26:43,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:26:43,653 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-19 13:26:43,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:26:43,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947947243] [2022-07-19 13:26:43,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:26:43,665 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:26:43,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:26:43,671 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) [2022-07-19 13:26:43,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-19 13:26:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 13:26:44,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-19 13:26:44,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 13:26:44,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 13:26:44,308 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 13:26:44,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-19 13:26:44,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1947947243] [2022-07-19 13:26:44,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1947947243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 13:26:44,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 13:26:44,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 13:26:44,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608005659] [2022-07-19 13:26:44,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 13:26:44,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 13:26:44,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-19 13:26:44,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 13:26:44,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 13:26:44,333 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) [2022-07-19 13:26:44,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 13:26:44,341 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-19 13:26:44,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 13:26:44,342 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 [2022-07-19 13:26:44,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 13:26:44,346 INFO L225 Difference]: With dead ends: 19 [2022-07-19 13:26:44,346 INFO L226 Difference]: Without dead ends: 7 [2022-07-19 13:26:44,349 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 [2022-07-19 13:26:44,351 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 [2022-07-19 13:26:44,352 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] [2022-07-19 13:26:44,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-19 13:26:44,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-19 13:26:44,371 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) [2022-07-19 13:26:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-19 13:26:44,372 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-19 13:26:44,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 13:26:44,372 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-19 13:26:44,372 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) [2022-07-19 13:26:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-19 13:26:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-19 13:26:44,372 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 13:26:44,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-19 13:26:44,389 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-19 13:26:44,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 13:26:44,576 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 13:26:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 13:26:44,577 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-19 13:26:44,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-19 13:26:44,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [491434358] [2022-07-19 13:26:44,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 13:26:44,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-19 13:26:44,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-19 13:26:44,579 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) [2022-07-19 13:26:44,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-19 13:27:00,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:27:00,185 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-19 13:27:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-19 13:27:01,515 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-07-19 13:27:01,515 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-19 13:27:01,520 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 13:27:01,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-19 13:27:01,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-19 13:27:01,726 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-19 13:27:01,729 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 13:27:01,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 01:27:01 BoogieIcfgContainer [2022-07-19 13:27:01,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 13:27:01,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 13:27:01,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 13:27:01,747 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 13:27:01,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 01:26:43" (3/4) ... [2022-07-19 13:27:01,749 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-19 13:27:01,776 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 13:27:01,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 13:27:01,778 INFO L158 Benchmark]: Toolchain (without parser) took 21063.03ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.7MB in the beginning and 43.8MB in the end (delta: -14.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:27:01,778 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:27:01,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.72ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 48.7MB in the end (delta: -19.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2022-07-19 13:27:01,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.13ms. Allocated memory is still 65.0MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:27:01,779 INFO L158 Benchmark]: Boogie Preprocessor took 42.11ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 46.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 13:27:01,780 INFO L158 Benchmark]: RCFGBuilder took 2509.21ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 37.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 13:27:01,780 INFO L158 Benchmark]: TraceAbstraction took 18175.73ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 45.4MB in the end (delta: -7.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2022-07-19 13:27:01,781 INFO L158 Benchmark]: Witness Printer took 30.44ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 43.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-19 13:27:01,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 34.0MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.72ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 29.5MB in the beginning and 48.7MB in the end (delta: -19.2MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.13ms. Allocated memory is still 65.0MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.11ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 46.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2509.21ms. Allocated memory is still 65.0MB. Free memory was 46.0MB in the beginning and 37.9MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18175.73ms. Allocated memory is still 65.0MB. Free memory was 37.5MB in the beginning and 45.4MB in the end (delta: -7.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Witness Printer took 30.44ms. Allocated memory is still 65.0MB. Free memory was 45.4MB in the beginning and 43.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. 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=1.5371266603469849, result=1.0073497295379639, x=1.5371266603469849] [L36] COND TRUE !(result <= 1.001f && result >= -1.001f) VAL [IN=1.5371266603469849, result=1.0073497295379639, x=1.5371266603469849] [L37] reach_error() VAL [IN=1.5371266603469849, result=1.0073497295379639, x=1.5371266603469849] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, 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, 16.1s 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! [2022-07-19 13:27:01,929 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE