./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_2.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 1517518b2929304c1d62801e91d682ef21acf90ffd67632c12c51027ad768f4b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:23:42,538 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:23:42,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:23:42,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:23:42,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:23:42,574 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:23:42,575 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:23:42,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:23:42,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:23:42,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:23:42,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:23:42,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:23:42,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:23:42,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:23:42,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:23:42,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:23:42,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:23:42,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:23:42,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:23:42,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:23:42,589 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:23:42,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:23:42,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:23:42,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:23:42,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:23:42,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:23:42,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:23:42,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:23:42,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:23:42,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:23:42,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:23:42,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:23:42,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:23:42,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:23:42,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:23:42,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:23:42,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:23:42,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:23:42,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:23:42,603 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:23:42,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:23:42,605 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 23:23:42,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:23:42,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:23:42,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:23:42,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:23:42,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:23:42,643 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:23:42,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:23:42,644 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:23:42,644 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:23:42,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:23:42,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:23:42,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 23:23:42,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:23:42,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:23:42,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:23:42,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:23:42,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:23:42,646 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:23:42,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:23:42,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:23:42,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:23:42,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:23:42,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:23:42,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:23:42,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:23:42,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:23:42,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:23:42,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:23:42,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 23:23:42,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 23:23:42,649 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:23:42,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:23:42,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:23:42,650 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:23:42,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1517518b2929304c1d62801e91d682ef21acf90ffd67632c12c51027ad768f4b [2021-12-15 23:23:42,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:23:42,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:23:42,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:23:42,926 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:23:42,927 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:23:42,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-12-15 23:23:42,987 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caa7e17d4/0f47fbbc999349d3813da5400ab76231/FLAG5c1c68265 [2021-12-15 23:23:43,339 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:23:43,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-12-15 23:23:43,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caa7e17d4/0f47fbbc999349d3813da5400ab76231/FLAG5c1c68265 [2021-12-15 23:23:43,776 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caa7e17d4/0f47fbbc999349d3813da5400ab76231 [2021-12-15 23:23:43,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:23:43,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:23:43,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:23:43,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:23:43,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:23:43,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:23:43" (1/1) ... [2021-12-15 23:23:43,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642119e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:43, skipping insertion in model container [2021-12-15 23:23:43,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:23:43" (1/1) ... [2021-12-15 23:23:43,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:23:43,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:23:43,970 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_2.i[1641,1654] [2021-12-15 23:23:43,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:23:43,983 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 23:23:44,004 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_2.i[1641,1654] [2021-12-15 23:23:44,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:23:44,019 INFO L208 MainTranslator]: Completed translation [2021-12-15 23:23:44,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44 WrapperNode [2021-12-15 23:23:44,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:23:44,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 23:23:44,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 23:23:44,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 23:23:44,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,050 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2021-12-15 23:23:44,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 23:23:44,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 23:23:44,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 23:23:44,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 23:23:44,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 23:23:44,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 23:23:44,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 23:23:44,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 23:23:44,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (1/1) ... [2021-12-15 23:23:44,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:23:44,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 23:23:44,112 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) [2021-12-15 23:23:44,137 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 [2021-12-15 23:23:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 23:23:44,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 23:23:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 23:23:44,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 23:23:44,197 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 23:23:44,198 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 23:23:44,259 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 23:23:44,263 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 23:23:44,264 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 23:23:44,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:23:44 BoogieIcfgContainer [2021-12-15 23:23:44,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 23:23:44,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 23:23:44,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 23:23:44,274 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 23:23:44,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:23:43" (1/3) ... [2021-12-15 23:23:44,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425051b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:23:44, skipping insertion in model container [2021-12-15 23:23:44,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:44" (2/3) ... [2021-12-15 23:23:44,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@425051b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:23:44, skipping insertion in model container [2021-12-15 23:23:44,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:23:44" (3/3) ... [2021-12-15 23:23:44,277 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_2.i [2021-12-15 23:23:44,281 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 23:23:44,281 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 23:23:44,319 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 23:23:44,325 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 23:23:44,325 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 23:23:44,336 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) [2021-12-15 23:23:44,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-15 23:23:44,341 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:23:44,341 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-15 23:23:44,342 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:23:44,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:23:44,346 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-12-15 23:23:44,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 23:23:44,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459799212] [2021-12-15 23:23:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:23:44,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 23:23:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:23:44,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:23:44,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-15 23:23:44,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459799212] [2021-12-15 23:23:44,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459799212] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:23:44,492 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:23:44,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 23:23:44,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044942941] [2021-12-15 23:23:44,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:23:44,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 23:23:44,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-15 23:23:44,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 23:23:44,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:23:44,543 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) [2021-12-15 23:23:44,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:23:44,557 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-12-15 23:23:44,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 23:23:44,559 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 [2021-12-15 23:23:44,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:23:44,574 INFO L225 Difference]: With dead ends: 19 [2021-12-15 23:23:44,574 INFO L226 Difference]: Without dead ends: 7 [2021-12-15 23:23:44,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:23:44,582 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:23:44,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 23:23:44,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-12-15 23:23:44,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-12-15 23:23:44,609 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) [2021-12-15 23:23:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-12-15 23:23:44,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-12-15 23:23:44,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:23:44,611 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-12-15 23:23:44,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:23:44,612 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-12-15 23:23:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-15 23:23:44,612 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:23:44,613 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-15 23:23:44,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 23:23:44,613 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:23:44,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:23:44,617 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-12-15 23:23:44,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 23:23:44,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104850718] [2021-12-15 23:23:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:23:44,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 23:23:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:23:44,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 23:23:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:23:44,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-15 23:23:44,691 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 23:23:44,694 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 23:23:44,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-15 23:23:44,700 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-15 23:23:44,702 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 23:23:44,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:23:44 BoogieIcfgContainer [2021-12-15 23:23:44,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 23:23:44,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 23:23:44,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 23:23:44,730 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 23:23:44,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:23:44" (3/4) ... [2021-12-15 23:23:44,733 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-15 23:23:44,734 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 23:23:44,736 INFO L158 Benchmark]: Toolchain (without parser) took 952.75ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 69.9MB in the beginning and 90.1MB in the end (delta: -20.2MB). Peak memory consumption was 833.7kB. Max. memory is 16.1GB. [2021-12-15 23:23:44,736 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:23:44,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.15ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 75.0MB in the end (delta: -5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 23:23:44,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.71ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:23:44,740 INFO L158 Benchmark]: Boogie Preprocessor took 26.38ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:23:44,742 INFO L158 Benchmark]: RCFGBuilder took 190.18ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 64.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 23:23:44,743 INFO L158 Benchmark]: TraceAbstraction took 458.44ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 90.7MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:23:44,743 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 90.1MB in the end (delta: 582.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:23:44,748 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 98.6MB. Free memory is still 54.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.15ms. Allocated memory is still 98.6MB. Free memory was 69.6MB in the beginning and 75.0MB in the end (delta: -5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.71ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 73.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.38ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 72.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 190.18ms. Allocated memory is still 98.6MB. Free memory was 72.6MB in the beginning and 64.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 458.44ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 90.7MB in the end (delta: -26.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 119.5MB. Free memory was 90.7MB in the beginning and 90.1MB in the end (delta: 582.3kB). 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 <= 1.0f && result >= -1.0f) 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, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-15 23:23:44,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_2.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 1517518b2929304c1d62801e91d682ef21acf90ffd67632c12c51027ad768f4b --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-15 23:23:46,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 23:23:46,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 23:23:46,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 23:23:46,805 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 23:23:46,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 23:23:46,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 23:23:46,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 23:23:46,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 23:23:46,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 23:23:46,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 23:23:46,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 23:23:46,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 23:23:46,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 23:23:46,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 23:23:46,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 23:23:46,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 23:23:46,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 23:23:46,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 23:23:46,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 23:23:46,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 23:23:46,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 23:23:46,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 23:23:46,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 23:23:46,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 23:23:46,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 23:23:46,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 23:23:46,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 23:23:46,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 23:23:46,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 23:23:46,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 23:23:46,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 23:23:46,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 23:23:46,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 23:23:46,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 23:23:46,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 23:23:46,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 23:23:46,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 23:23:46,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 23:23:46,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 23:23:46,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 23:23:46,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 23:23:46,898 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 23:23:46,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 23:23:46,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 23:23:46,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 23:23:46,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 23:23:46,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 23:23:46,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 23:23:46,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 23:23:46,902 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 23:23:46,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 23:23:46,903 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 23:23:46,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 23:23:46,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 23:23:46,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 23:23:46,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 23:23:46,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 23:23:46,905 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 23:23:46,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 23:23:46,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 23:23:46,905 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 23:23:46,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 23:23:46,906 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 23:23:46,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 23:23:46,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 23:23:46,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 23:23:46,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 23:23:46,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:23:46,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 23:23:46,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 23:23:46,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 23:23:46,908 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 23:23:46,908 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 23:23:46,908 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 23:23:46,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 23:23:46,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 23:23:46,909 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 23:23:46,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 23:23:46,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1517518b2929304c1d62801e91d682ef21acf90ffd67632c12c51027ad768f4b [2021-12-15 23:23:47,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 23:23:47,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 23:23:47,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 23:23:47,269 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 23:23:47,270 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 23:23:47,271 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-12-15 23:23:47,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f870309ee/5fa4b63238b64a5c90785f2ca983a47d/FLAG5f6781d67 [2021-12-15 23:23:47,769 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 23:23:47,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_2.i [2021-12-15 23:23:47,775 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f870309ee/5fa4b63238b64a5c90785f2ca983a47d/FLAG5f6781d67 [2021-12-15 23:23:47,790 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f870309ee/5fa4b63238b64a5c90785f2ca983a47d [2021-12-15 23:23:47,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 23:23:47,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 23:23:47,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 23:23:47,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 23:23:47,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 23:23:47,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:23:47" (1/1) ... [2021-12-15 23:23:47,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3797bee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:47, skipping insertion in model container [2021-12-15 23:23:47,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 11:23:47" (1/1) ... [2021-12-15 23:23:47,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 23:23:47,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 23:23:48,003 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_2.i[1641,1654] [2021-12-15 23:23:48,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:23:48,020 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 23:23:48,043 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_2.i[1641,1654] [2021-12-15 23:23:48,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 23:23:48,097 INFO L208 MainTranslator]: Completed translation [2021-12-15 23:23:48,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48 WrapperNode [2021-12-15 23:23:48,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 23:23:48,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 23:23:48,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 23:23:48,099 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 23:23:48,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,131 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2021-12-15 23:23:48,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 23:23:48,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 23:23:48,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 23:23:48,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 23:23:48,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,164 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 23:23:48,177 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 23:23:48,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 23:23:48,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 23:23:48,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (1/1) ... [2021-12-15 23:23:48,185 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 23:23:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 23:23:48,208 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) [2021-12-15 23:23:48,239 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 [2021-12-15 23:23:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 23:23:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 23:23:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 23:23:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 23:23:48,321 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 23:23:48,323 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 23:23:50,672 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 23:23:50,677 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 23:23:50,677 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 23:23:50,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:23:50 BoogieIcfgContainer [2021-12-15 23:23:50,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 23:23:50,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 23:23:50,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 23:23:50,688 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 23:23:50,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 11:23:47" (1/3) ... [2021-12-15 23:23:50,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643fda29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:23:50, skipping insertion in model container [2021-12-15 23:23:50,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 11:23:48" (2/3) ... [2021-12-15 23:23:50,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@643fda29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 11:23:50, skipping insertion in model container [2021-12-15 23:23:50,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:23:50" (3/3) ... [2021-12-15 23:23:50,691 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_2.i [2021-12-15 23:23:50,695 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 23:23:50,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 23:23:50,746 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 23:23:50,752 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-15 23:23:50,753 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 23:23:50,762 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) [2021-12-15 23:23:50,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-15 23:23:50,771 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:23:50,771 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-15 23:23:50,772 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:23:50,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:23:50,786 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2021-12-15 23:23:50,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:23:50,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [233183581] [2021-12-15 23:23:50,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:23:50,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:23:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:23:50,803 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) [2021-12-15 23:23:50,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 23:23:51,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-15 23:23:51,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-15 23:23:51,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-15 23:23:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-15 23:23:51,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-15 23:23:51,311 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-15 23:23:51,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [233183581] [2021-12-15 23:23:51,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [233183581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-15 23:23:51,312 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-15 23:23:51,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-15 23:23:51,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838685515] [2021-12-15 23:23:51,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-15 23:23:51,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-15 23:23:51,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-15 23:23:51,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-15 23:23:51,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:23:51,341 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) [2021-12-15 23:23:51,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-15 23:23:51,349 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2021-12-15 23:23:51,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-15 23:23:51,351 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 [2021-12-15 23:23:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-15 23:23:51,356 INFO L225 Difference]: With dead ends: 19 [2021-12-15 23:23:51,356 INFO L226 Difference]: Without dead ends: 7 [2021-12-15 23:23:51,358 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-15 23:23:51,362 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-15 23:23:51,363 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-15 23:23:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-12-15 23:23:51,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-12-15 23:23:51,383 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) [2021-12-15 23:23:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2021-12-15 23:23:51,384 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2021-12-15 23:23:51,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-15 23:23:51,385 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2021-12-15 23:23:51,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-15 23:23:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2021-12-15 23:23:51,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-12-15 23:23:51,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 23:23:51,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-12-15 23:23:51,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 23:23:51,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:23:51,587 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 23:23:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 23:23:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2021-12-15 23:23:51,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 23:23:51,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103151886] [2021-12-15 23:23:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 23:23:51,589 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 23:23:51,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 23:23:51,590 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) [2021-12-15 23:23:51,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-15 23:24:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:24:30,171 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-15 23:24:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-15 23:24:47,727 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-15 23:24:47,728 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-15 23:24:47,729 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-15 23:24:47,759 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-15 23:24:47,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 23:24:47,934 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-15 23:24:47,936 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-15 23:24:47,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 11:24:47 BoogieIcfgContainer [2021-12-15 23:24:47,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 23:24:47,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 23:24:47,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 23:24:47,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 23:24:47,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 11:23:50" (3/4) ... [2021-12-15 23:24:47,963 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-15 23:24:47,990 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 23:24:47,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 23:24:47,992 INFO L158 Benchmark]: Toolchain (without parser) took 60184.37ms. Allocated memory is still 60.8MB. Free memory was 45.8MB in the beginning and 41.5MB in the end (delta: 4.3MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2021-12-15 23:24:47,992 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 46.1MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:24:47,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.55ms. Allocated memory is still 60.8MB. Free memory was 45.7MB in the beginning and 44.7MB in the end (delta: 930.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 23:24:47,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.80ms. Allocated memory is still 60.8MB. Free memory was 44.5MB in the beginning and 43.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 23:24:47,993 INFO L158 Benchmark]: Boogie Preprocessor took 43.25ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 41.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:24:47,994 INFO L158 Benchmark]: RCFGBuilder took 2502.49ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 33.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 23:24:47,994 INFO L158 Benchmark]: TraceAbstraction took 57279.39ms. Allocated memory is still 60.8MB. Free memory was 33.4MB in the beginning and 43.1MB in the end (delta: -9.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2021-12-15 23:24:47,994 INFO L158 Benchmark]: Witness Printer took 30.23ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 41.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 23:24:47,997 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 46.1MB. Free memory was 28.6MB in the beginning and 28.6MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.55ms. Allocated memory is still 60.8MB. Free memory was 45.7MB in the beginning and 44.7MB in the end (delta: 930.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.80ms. Allocated memory is still 60.8MB. Free memory was 44.5MB in the beginning and 43.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.25ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 41.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 2502.49ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 33.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 57279.39ms. Allocated memory is still 60.8MB. Free memory was 33.4MB in the beginning and 43.1MB in the end (delta: -9.8MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * Witness Printer took 30.23ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 41.5MB 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=1.4681097269058228, result=1.0004799365997314, x=1.4681097269058228] [L36] COND TRUE !(result <= 1.0f && result >= -1.0f) VAL [IN=1.4681097269058228, result=1.0004799365997314, x=1.4681097269058228] [L37] reach_error() VAL [IN=1.4681097269058228, result=1.0004799365997314, x=1.4681097269058228] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 57.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 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, 38.9s SatisfiabilityAnalysisTime, 0.1s 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! [2021-12-15 23:24:48,141 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