./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:02:24,010 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:02:24,012 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:02:24,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:02:24,031 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:02:24,032 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:02:24,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:02:24,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:02:24,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:02:24,043 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:02:24,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:02:24,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:02:24,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:02:24,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:02:24,047 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:02:24,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:02:24,050 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:02:24,051 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:02:24,053 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:02:24,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:02:24,057 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:02:24,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:02:24,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:02:24,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:02:24,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:02:24,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:02:24,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:02:24,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:02:24,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:02:24,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:02:24,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:02:24,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:02:24,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:02:24,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:02:24,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:02:24,082 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:02:24,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:02:24,082 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:02:24,082 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:02:24,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:02:24,083 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:02:24,084 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:02:24,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 01:02:24,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:02:24,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:02:24,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:02:24,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:02:24,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:02:24,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:02:24,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:02:24,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:02:24,111 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:02:24,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:02:24,112 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:02:24,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 01:02:24,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:02:24,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:02:24,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:02:24,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:02:24,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:02:24,113 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:02:24,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:02:24,114 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:02:24,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:02:24,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:02:24,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:02:24,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:02:24,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:02:24,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:02:24,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:02:24,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:02:24,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 01:02:24,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 01:02:24,116 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:02:24,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:02:24,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:02:24,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f [2022-07-21 01:02:24,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:02:24,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:02:24,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:02:24,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:02:24,430 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:02:24,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-07-21 01:02:24,485 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571dc1a44/43c208196c62455a86b3df0bf770d49d/FLAG3d33d264a [2022-07-21 01:02:24,817 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:02:24,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-07-21 01:02:24,821 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571dc1a44/43c208196c62455a86b3df0bf770d49d/FLAG3d33d264a [2022-07-21 01:02:25,231 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571dc1a44/43c208196c62455a86b3df0bf770d49d [2022-07-21 01:02:25,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:02:25,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:02:25,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:02:25,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:02:25,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:02:25,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7883c06c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25, skipping insertion in model container [2022-07-21 01:02:25,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:02:25,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:02:25,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-07-21 01:02:25,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:02:25,354 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:02:25,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-07-21 01:02:25,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:02:25,372 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:02:25,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25 WrapperNode [2022-07-21 01:02:25,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:02:25,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:02:25,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:02:25,374 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:02:25,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,423 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 21 [2022-07-21 01:02:25,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:02:25,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:02:25,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:02:25,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:02:25,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:02:25,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:02:25,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:02:25,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:02:25,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (1/1) ... [2022-07-21 01:02:25,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:02:25,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:02:25,468 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) [2022-07-21 01:02:25,484 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 [2022-07-21 01:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 01:02:25,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:02:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:02:25,552 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:02:25,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:02:25,639 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:02:25,643 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:02:25,643 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 01:02:25,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:25 BoogieIcfgContainer [2022-07-21 01:02:25,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:02:25,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:02:25,646 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:02:25,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:02:25,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:02:25" (1/3) ... [2022-07-21 01:02:25,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcf3925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:02:25, skipping insertion in model container [2022-07-21 01:02:25,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:25" (2/3) ... [2022-07-21 01:02:25,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bcf3925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:02:25, skipping insertion in model container [2022-07-21 01:02:25,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:25" (3/3) ... [2022-07-21 01:02:25,650 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.i [2022-07-21 01:02:25,660 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:02:25,660 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:02:25,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:02:25,701 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@1f8ecfb6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@71ecdaf [2022-07-21 01:02:25,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:02:25,712 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) [2022-07-21 01:02:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:02:25,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:02:25,719 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:02:25,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:02:25,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:02:25,723 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-21 01:02:25,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:02:25,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468991916] [2022-07-21 01:02:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:02:25,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:02:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:02:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:02:25,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 01:02:25,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468991916] [2022-07-21 01:02:25,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468991916] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:02:25,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:02:25,812 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:02:25,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295541938] [2022-07-21 01:02:25,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:02:25,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:02:25,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 01:02:25,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:02:25,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:02:25,842 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) [2022-07-21 01:02:25,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:02:25,857 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-21 01:02:25,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:02:25,859 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 [2022-07-21 01:02:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:02:25,864 INFO L225 Difference]: With dead ends: 19 [2022-07-21 01:02:25,864 INFO L226 Difference]: Without dead ends: 7 [2022-07-21 01:02:25,866 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 [2022-07-21 01:02:25,870 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 [2022-07-21 01:02:25,870 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] [2022-07-21 01:02:25,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-21 01:02:25,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-21 01:02:25,888 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) [2022-07-21 01:02:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-21 01:02:25,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-21 01:02:25,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:02:25,890 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-21 01:02:25,891 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) [2022-07-21 01:02:25,891 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-21 01:02:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:02:25,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:02:25,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:02:25,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 01:02:25,892 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:02:25,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:02:25,892 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-21 01:02:25,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 01:02:25,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305386562] [2022-07-21 01:02:25,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:02:25,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 01:02:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:02:25,930 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-21 01:02:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-21 01:02:25,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-21 01:02:25,948 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-21 01:02:25,950 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 01:02:25,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 01:02:25,957 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-21 01:02:25,962 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 01:02:25,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 01:02:25 BoogieIcfgContainer [2022-07-21 01:02:25,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 01:02:25,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 01:02:25,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 01:02:25,984 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 01:02:25,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:25" (3/4) ... [2022-07-21 01:02:25,989 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-21 01:02:25,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 01:02:25,990 INFO L158 Benchmark]: Toolchain (without parser) took 754.44ms. Allocated memory is still 73.4MB. Free memory was 55.9MB in the beginning and 47.5MB in the end (delta: 8.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-07-21 01:02:25,990 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 73.4MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:25,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 136.41ms. Allocated memory is still 73.4MB. Free memory was 55.7MB in the beginning and 46.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:02:25,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.09ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 56.2MB in the end (delta: -10.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2022-07-21 01:02:25,999 INFO L158 Benchmark]: Boogie Preprocessor took 18.97ms. Allocated memory is still 73.4MB. Free memory was 56.2MB in the beginning and 55.4MB in the end (delta: 802.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 01:02:25,999 INFO L158 Benchmark]: RCFGBuilder took 200.12ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 47.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 01:02:25,999 INFO L158 Benchmark]: TraceAbstraction took 337.30ms. Allocated memory is still 73.4MB. Free memory was 46.5MB in the beginning and 47.8MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:26,000 INFO L158 Benchmark]: Witness Printer took 5.34ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 47.5MB in the end (delta: 261.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 01:02:26,004 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 73.4MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 136.41ms. Allocated memory is still 73.4MB. Free memory was 55.7MB in the beginning and 46.1MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.09ms. Allocated memory is still 73.4MB. Free memory was 46.1MB in the beginning and 56.2MB in the end (delta: -10.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.97ms. Allocated memory is still 73.4MB. Free memory was 56.2MB in the beginning and 55.4MB in the end (delta: 802.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 200.12ms. Allocated memory is still 73.4MB. Free memory was 55.4MB in the beginning and 47.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 337.30ms. Allocated memory is still 73.4MB. Free memory was 46.5MB in the beginning and 47.8MB in the end (delta: -1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.34ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 47.5MB in the end (delta: 261.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 37]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 36, overapproximation of someBinaryArithmeticFLOAToperation at line 34. Possible FailurePath: [L29] float IN = __VERIFIER_nondet_float(); [L30] CALL assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L24] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L30] RET assume_abort_if_not(IN > -1.57079632679f && IN < 1.57079632679f) [L32] float x = IN; [L34] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; VAL [IN=49, x=49] [L36] COND TRUE !(result <= 1.2f && result >= -1.2f) VAL [IN=49, x=49] [L37] reach_error() VAL [IN=49, x=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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 [2022-07-21 01:02:26,047 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_6.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 01:02:27,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 01:02:27,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 01:02:27,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 01:02:27,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 01:02:27,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 01:02:27,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 01:02:27,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 01:02:27,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 01:02:27,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 01:02:27,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 01:02:27,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 01:02:27,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 01:02:27,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 01:02:27,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 01:02:27,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 01:02:27,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 01:02:27,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 01:02:27,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 01:02:27,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 01:02:27,636 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 01:02:27,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 01:02:27,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 01:02:27,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 01:02:27,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 01:02:27,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 01:02:27,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 01:02:27,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 01:02:27,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 01:02:27,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 01:02:27,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 01:02:27,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 01:02:27,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 01:02:27,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 01:02:27,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 01:02:27,650 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 01:02:27,650 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 01:02:27,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 01:02:27,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 01:02:27,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 01:02:27,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 01:02:27,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 01:02:27,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-21 01:02:27,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 01:02:27,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 01:02:27,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 01:02:27,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 01:02:27,683 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 01:02:27,683 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 01:02:27,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 01:02:27,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 01:02:27,684 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 01:02:27,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 01:02:27,684 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 01:02:27,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 01:02:27,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 01:02:27,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 01:02:27,692 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 01:02:27,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 01:02:27,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 01:02:27,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 01:02:27,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 01:02:27,692 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 01:02:27,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 01:02:27,693 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 01:02:27,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 01:02:27,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 01:02:27,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 01:02:27,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 01:02:27,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:02:27,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 01:02:27,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 01:02:27,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 01:02:27,694 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 01:02:27,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 01:02:27,694 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 01:02:27,694 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 01:02:27,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 01:02:27,695 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 01:02:27,695 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 818942128c6a15645066b8ea2703e348fd2c27fa44366451cf9bcbae59b8c67f [2022-07-21 01:02:27,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 01:02:27,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 01:02:27,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 01:02:27,965 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 01:02:27,966 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 01:02:27,967 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-07-21 01:02:28,009 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4683f31/88e61d5c1d2044489f55492559d91417/FLAGa6d2a5cda [2022-07-21 01:02:28,397 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 01:02:28,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i [2022-07-21 01:02:28,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4683f31/88e61d5c1d2044489f55492559d91417/FLAGa6d2a5cda [2022-07-21 01:02:28,418 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be4683f31/88e61d5c1d2044489f55492559d91417 [2022-07-21 01:02:28,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 01:02:28,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 01:02:28,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 01:02:28,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 01:02:28,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 01:02:28,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6467aac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28, skipping insertion in model container [2022-07-21 01:02:28,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 01:02:28,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 01:02:28,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-07-21 01:02:28,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:02:28,582 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 01:02:28,620 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_6.i[1641,1654] [2022-07-21 01:02:28,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 01:02:28,632 INFO L208 MainTranslator]: Completed translation [2022-07-21 01:02:28,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28 WrapperNode [2022-07-21 01:02:28,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 01:02:28,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 01:02:28,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 01:02:28,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 01:02:28,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,645 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,657 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 22 [2022-07-21 01:02:28,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 01:02:28,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 01:02:28,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 01:02:28,659 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 01:02:28,664 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,674 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 01:02:28,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 01:02:28,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 01:02:28,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 01:02:28,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (1/1) ... [2022-07-21 01:02:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 01:02:28,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 01:02:28,725 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) [2022-07-21 01:02:28,743 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 [2022-07-21 01:02:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 01:02:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 01:02:28,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 01:02:28,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 01:02:28,802 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 01:02:28,803 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 01:02:31,161 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 01:02:31,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 01:02:31,165 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 01:02:31,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:31 BoogieIcfgContainer [2022-07-21 01:02:31,166 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 01:02:31,170 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 01:02:31,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 01:02:31,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 01:02:31,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:02:28" (1/3) ... [2022-07-21 01:02:31,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f74e776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:02:31, skipping insertion in model container [2022-07-21 01:02:31,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:02:28" (2/3) ... [2022-07-21 01:02:31,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f74e776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:02:31, skipping insertion in model container [2022-07-21 01:02:31,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:02:31" (3/3) ... [2022-07-21 01:02:31,175 INFO L111 eAbstractionObserver]: Analyzing ICFG sine_6.i [2022-07-21 01:02:31,184 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 01:02:31,185 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 01:02:31,214 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 01:02:31,218 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@4fccac19, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5498a5b4 [2022-07-21 01:02:31,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 01:02:31,222 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) [2022-07-21 01:02:31,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:02:31,231 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:02:31,232 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:02:31,232 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:02:31,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:02:31,236 INFO L85 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2022-07-21 01:02:31,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:02:31,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916341677] [2022-07-21 01:02:31,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:02:31,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:02:31,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:02:31,246 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) [2022-07-21 01:02:31,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 01:02:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 01:02:31,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-21 01:02:31,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 01:02:31,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 01:02:31,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 01:02:31,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 01:02:31,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916341677] [2022-07-21 01:02:31,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916341677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 01:02:31,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 01:02:31,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 01:02:31,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769580101] [2022-07-21 01:02:31,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 01:02:31,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 01:02:31,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 01:02:31,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 01:02:31,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 01:02:31,759 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) [2022-07-21 01:02:31,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 01:02:31,766 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2022-07-21 01:02:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 01:02:31,768 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 [2022-07-21 01:02:31,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 01:02:31,772 INFO L225 Difference]: With dead ends: 19 [2022-07-21 01:02:31,772 INFO L226 Difference]: Without dead ends: 7 [2022-07-21 01:02:31,774 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 [2022-07-21 01:02:31,776 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 [2022-07-21 01:02:31,777 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] [2022-07-21 01:02:31,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2022-07-21 01:02:31,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2022-07-21 01:02:31,796 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) [2022-07-21 01:02:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2022-07-21 01:02:31,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2022-07-21 01:02:31,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 01:02:31,797 INFO L495 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2022-07-21 01:02:31,797 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) [2022-07-21 01:02:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2022-07-21 01:02:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-07-21 01:02:31,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 01:02:31,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-07-21 01:02:31,814 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-21 01:02:32,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 01:02:32,012 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 01:02:32,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 01:02:32,013 INFO L85 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2022-07-21 01:02:32,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 01:02:32,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420615910] [2022-07-21 01:02:32,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 01:02:32,014 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 01:02:32,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 01:02:32,015 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) [2022-07-21 01:02:32,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process