./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 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/float-newlib/double_req_bl_1122a.c -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 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-27 23:37:46,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-27 23:37:46,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-27 23:37:46,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-27 23:37:46,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-27 23:37:46,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-27 23:37:46,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-27 23:37:46,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-27 23:37:46,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-27 23:37:46,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-27 23:37:46,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-27 23:37:46,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-27 23:37:46,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-27 23:37:46,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-27 23:37:46,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-27 23:37:46,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-27 23:37:46,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-27 23:37:46,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-27 23:37:46,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-27 23:37:46,159 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-27 23:37:46,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-27 23:37:46,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-27 23:37:46,162 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-27 23:37:46,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-27 23:37:46,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-27 23:37:46,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-27 23:37:46,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-27 23:37:46,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-27 23:37:46,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-27 23:37:46,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-27 23:37:46,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-27 23:37:46,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-27 23:37:46,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-27 23:37:46,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-27 23:37:46,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-27 23:37:46,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-27 23:37:46,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-27 23:37:46,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-27 23:37:46,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-27 23:37:46,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-27 23:37:46,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-27 23:37:46,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-27 23:37:46,223 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-27 23:37:46,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-27 23:37:46,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-27 23:37:46,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-27 23:37:46,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-27 23:37:46,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-27 23:37:46,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-27 23:37:46,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-27 23:37:46,228 INFO L138 SettingsManager]: * Use SBE=true [2021-12-27 23:37:46,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-27 23:37:46,229 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-27 23:37:46,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-27 23:37:46,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-27 23:37:46,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-27 23:37:46,230 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-27 23:37:46,230 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-27 23:37:46,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-27 23:37:46,230 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-27 23:37:46,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-27 23:37:46,231 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-27 23:37:46,231 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-27 23:37:46,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-27 23:37:46,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-27 23:37:46,232 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-27 23:37:46,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:37:46,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-27 23:37:46,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-27 23:37:46,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-27 23:37:46,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-27 23:37:46,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-27 23:37:46,233 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-27 23:37:46,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-27 23:37:46,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-27 23:37:46,234 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 [2021-12-27 23:37:46,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-27 23:37:46,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-27 23:37:46,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-27 23:37:46,603 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-27 23:37:46,604 INFO L275 PluginConnector]: CDTParser initialized [2021-12-27 23:37:46,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-12-27 23:37:46,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4741af7d8/c73fa5d4a7c747ba92133ba975e6e501/FLAG94d2ef1b1 [2021-12-27 23:37:47,078 INFO L306 CDTParser]: Found 1 translation units. [2021-12-27 23:37:47,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-12-27 23:37:47,086 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4741af7d8/c73fa5d4a7c747ba92133ba975e6e501/FLAG94d2ef1b1 [2021-12-27 23:37:47,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4741af7d8/c73fa5d4a7c747ba92133ba975e6e501 [2021-12-27 23:37:47,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-27 23:37:47,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-27 23:37:47,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-27 23:37:47,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-27 23:37:47,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-27 23:37:47,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66cedb64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47, skipping insertion in model container [2021-12-27 23:37:47,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-27 23:37:47,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-27 23:37:47,659 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/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-12-27 23:37:47,662 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:37:47,668 INFO L203 MainTranslator]: Completed pre-run [2021-12-27 23:37:47,735 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/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-12-27 23:37:47,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:37:47,749 INFO L208 MainTranslator]: Completed translation [2021-12-27 23:37:47,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47 WrapperNode [2021-12-27 23:37:47,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-27 23:37:47,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-27 23:37:47,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-27 23:37:47,752 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-27 23:37:47,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,792 INFO L137 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 224 [2021-12-27 23:37:47,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-27 23:37:47,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-27 23:37:47,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-27 23:37:47,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-27 23:37:47,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,827 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-27 23:37:47,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-27 23:37:47,847 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-27 23:37:47,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-27 23:37:47,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (1/1) ... [2021-12-27 23:37:47,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:37:47,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-27 23:37:47,885 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) [2021-12-27 23:37:47,912 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 [2021-12-27 23:37:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-27 23:37:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-27 23:37:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-27 23:37:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-27 23:37:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-27 23:37:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-27 23:37:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-27 23:37:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-27 23:37:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-27 23:37:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-27 23:37:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-27 23:37:48,025 INFO L234 CfgBuilder]: Building ICFG [2021-12-27 23:37:48,027 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-27 23:37:48,367 INFO L275 CfgBuilder]: Performing block encoding [2021-12-27 23:37:48,373 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-27 23:37:48,374 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-27 23:37:48,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:37:48 BoogieIcfgContainer [2021-12-27 23:37:48,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-27 23:37:48,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-27 23:37:48,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-27 23:37:48,380 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-27 23:37:48,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:37:47" (1/3) ... [2021-12-27 23:37:48,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f5c44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:37:48, skipping insertion in model container [2021-12-27 23:37:48,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:47" (2/3) ... [2021-12-27 23:37:48,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f5c44b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:37:48, skipping insertion in model container [2021-12-27 23:37:48,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:37:48" (3/3) ... [2021-12-27 23:37:48,383 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2021-12-27 23:37:48,387 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-27 23:37:48,388 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-27 23:37:48,423 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-27 23:37:48,429 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 [2021-12-27 23:37:48,429 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-27 23:37:48,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) [2021-12-27 23:37:48,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-27 23:37:48,453 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:37:48,453 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-27 23:37:48,454 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:37:48,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:37:48,459 INFO L85 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-12-27 23:37:48,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-27 23:37:48,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509390758] [2021-12-27 23:37:48,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:37:48,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-27 23:37:48,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-27 23:37:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-27 23:37:48,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-27 23:37:48,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509390758] [2021-12-27 23:37:48,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509390758] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-27 23:37:48,623 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-27 23:37:48,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-27 23:37:48,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910043322] [2021-12-27 23:37:48,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-27 23:37:48,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-27 23:37:48,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-27 23:37:48,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-27 23:37:48,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-27 23:37:48,664 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-27 23:37:48,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-27 23:37:48,689 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2021-12-27 23:37:48,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-27 23:37:48,691 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-27 23:37:48,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-27 23:37:48,700 INFO L225 Difference]: With dead ends: 108 [2021-12-27 23:37:48,701 INFO L226 Difference]: Without dead ends: 52 [2021-12-27 23:37:48,704 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 [2021-12-27 23:37:48,709 INFO L933 BasicCegarLoop]: 81 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, 81 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 [2021-12-27 23:37:48,710 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-27 23:37:48,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-12-27 23:37:48,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-12-27 23:37:48,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 51 states have internal predecessors, (78), 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) [2021-12-27 23:37:48,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2021-12-27 23:37:48,750 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2021-12-27 23:37:48,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-27 23:37:48,750 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2021-12-27 23:37:48,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-27 23:37:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2021-12-27 23:37:48,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-27 23:37:48,752 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:37:48,752 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-27 23:37:48,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-27 23:37:48,753 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:37:48,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:37:48,757 INFO L85 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2021-12-27 23:37:48,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-27 23:37:48,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174888025] [2021-12-27 23:37:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:37:48,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-27 23:37:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-27 23:37:48,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-27 23:37:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-27 23:37:48,885 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-27 23:37:48,885 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-27 23:37:48,891 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-27 23:37:48,893 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-27 23:37:48,896 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-27 23:37:48,900 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-27 23:37:48,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:37:48 BoogieIcfgContainer [2021-12-27 23:37:48,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-27 23:37:48,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-27 23:37:48,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-27 23:37:48,938 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-27 23:37:48,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:37:48" (3/4) ... [2021-12-27 23:37:48,941 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-27 23:37:48,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-27 23:37:48,943 INFO L158 Benchmark]: Toolchain (without parser) took 1482.89ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.9MB in the beginning and 31.7MB in the end (delta: -3.7MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-12-27 23:37:48,943 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:37:48,946 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.57ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.6MB in the beginning and 49.3MB in the end (delta: -21.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-12-27 23:37:48,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.34ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 46.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:37:48,950 INFO L158 Benchmark]: Boogie Preprocessor took 44.06ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 44.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:37:48,950 INFO L158 Benchmark]: RCFGBuilder took 537.71ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 43.3MB in the end (delta: 1.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-12-27 23:37:48,951 INFO L158 Benchmark]: TraceAbstraction took 560.37ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 32.3MB in the end (delta: 10.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-12-27 23:37:48,951 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 67.1MB. Free memory was 32.0MB in the beginning and 31.7MB in the end (delta: 313.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:37:48,957 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 50.3MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.57ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 27.6MB in the beginning and 49.3MB in the end (delta: -21.7MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.34ms. Allocated memory is still 67.1MB. Free memory was 49.3MB in the beginning and 46.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.06ms. Allocated memory is still 67.1MB. Free memory was 46.7MB in the beginning and 44.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.71ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 43.3MB in the end (delta: 1.5MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * TraceAbstraction took 560.37ms. Allocated memory is still 67.1MB. Free memory was 42.7MB in the beginning and 32.3MB in the end (delta: 10.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 67.1MB. Free memory was 32.0MB in the beginning and 31.7MB in the end (delta: 313.0kB). 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: 178]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 46, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of someBinaryArithmeticDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 41, overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of bitwiseXor at line 42. Possible FailurePath: [L20-L23] static const double one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L172] double x = 1.0 / 0.0; [L173] double y = __VERIFIER_nondet_double(); [L174] CALL, EXPR fmod_double(x, y) [L26] __int32_t n, hx, hy, hz, ix, iy, sx, i; [L27] __uint32_t lx, ly, lz; VAL [\old(x)=4294967300, \old(y)=4294967298, one_fmod=1, x=4294967300, y=4294967298, Zero_fmod={4:0}] [L30] ieee_double_shape_type ew_u; [L31] ew_u.value = (x) [L32] EXPR ew_u.parts.msw [L32] (hx) = ew_u.parts.msw [L33] EXPR ew_u.parts.lsw [L33] (lx) = ew_u.parts.lsw [L36] ieee_double_shape_type ew_u; [L37] ew_u.value = (y) [L38] EXPR ew_u.parts.msw [L38] (hy) = ew_u.parts.msw [L39] EXPR ew_u.parts.lsw [L39] (ly) = ew_u.parts.lsw [L41] sx = hx & 0x80000000 [L42] hx ^= sx [L43] hy &= 0x7fffffff VAL [\old(x)=4294967300, \old(y)=4294967298, lx=4294967296, ly=4294967299, one_fmod=1, sx=-1, x=4294967300, y=4294967298, Zero_fmod={4:0}] [L45-L46] COND TRUE (hy | ly) == 0 || (hx >= 0x7ff00000) || ((hy | ((ly | -ly) >> 31)) > 0x7ff00000) [L47] return (x * y) / (x * y); VAL [\old(x)=4294967300, \old(y)=4294967298, hx=2146435072, lx=4294967296, ly=4294967299, one_fmod=1, sx=-1, x=4294967300, y=4294967298, Zero_fmod={4:0}] [L174] RET, EXPR fmod_double(x, y) [L174] double res = fmod_double(x, y); [L177] CALL, EXPR isnan_double(res) [L18] return x != x; VAL [\old(x)=4294967297, \result=0, one_fmod=1, x=4294967297, Zero_fmod={4:0}] [L177] RET, EXPR isnan_double(res) [L177] COND TRUE !isnan_double(res) [L178] reach_error() VAL [one_fmod=1, res=4294967297, x=4294967300, y=4294967298, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 81 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, 81 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=55occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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 [2021-12-27 23:37:49,002 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/float-newlib/double_req_bl_1122a.c -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 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-27 23:37:50,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-27 23:37:50,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-27 23:37:50,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-27 23:37:50,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-27 23:37:50,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-27 23:37:50,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-27 23:37:50,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-27 23:37:50,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-27 23:37:50,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-27 23:37:50,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-27 23:37:50,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-27 23:37:50,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-27 23:37:50,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-27 23:37:50,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-27 23:37:50,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-27 23:37:50,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-27 23:37:50,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-27 23:37:50,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-27 23:37:50,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-27 23:37:50,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-27 23:37:50,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-27 23:37:50,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-27 23:37:50,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-27 23:37:50,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-27 23:37:50,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-27 23:37:50,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-27 23:37:50,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-27 23:37:50,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-27 23:37:50,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-27 23:37:50,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-27 23:37:50,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-27 23:37:50,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-27 23:37:50,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-27 23:37:50,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-27 23:37:50,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-27 23:37:50,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-27 23:37:50,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-27 23:37:50,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-27 23:37:50,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-27 23:37:50,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-27 23:37:50,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-27 23:37:50,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-27 23:37:50,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-27 23:37:50,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-27 23:37:50,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-27 23:37:50,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-27 23:37:50,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-27 23:37:50,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-27 23:37:50,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-27 23:37:50,938 INFO L138 SettingsManager]: * Use SBE=true [2021-12-27 23:37:50,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-27 23:37:50,939 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-27 23:37:50,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-27 23:37:50,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-27 23:37:50,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-27 23:37:50,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-27 23:37:50,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-27 23:37:50,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-27 23:37:50,941 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-27 23:37:50,941 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-27 23:37:50,941 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-27 23:37:50,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-27 23:37:50,941 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-27 23:37:50,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-27 23:37:50,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-27 23:37:50,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-27 23:37:50,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-27 23:37:50,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:37:50,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-27 23:37:50,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-27 23:37:50,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-27 23:37:50,948 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-27 23:37:50,948 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-27 23:37:50,949 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-27 23:37:50,949 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-27 23:37:50,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-27 23:37:50,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-27 23:37:50,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24b3922e2a9fa0940bc8d5e86bcca27d213def602624d293b414752eb2484499 [2021-12-27 23:37:51,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-27 23:37:51,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-27 23:37:51,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-27 23:37:51,320 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-27 23:37:51,320 INFO L275 PluginConnector]: CDTParser initialized [2021-12-27 23:37:51,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-12-27 23:37:51,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851f0cb52/b808b59dd286447396e713d3ea8018c7/FLAG56a6807b3 [2021-12-27 23:37:51,794 INFO L306 CDTParser]: Found 1 translation units. [2021-12-27 23:37:51,797 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1122a.c [2021-12-27 23:37:51,809 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851f0cb52/b808b59dd286447396e713d3ea8018c7/FLAG56a6807b3 [2021-12-27 23:37:52,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851f0cb52/b808b59dd286447396e713d3ea8018c7 [2021-12-27 23:37:52,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-27 23:37:52,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-27 23:37:52,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-27 23:37:52,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-27 23:37:52,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-27 23:37:52,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab709ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52, skipping insertion in model container [2021-12-27 23:37:52,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-27 23:37:52,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-27 23:37:52,479 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/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-12-27 23:37:52,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:37:52,541 INFO L203 MainTranslator]: Completed pre-run [2021-12-27 23:37:52,594 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/float-newlib/double_req_bl_1122a.c[3905,3918] [2021-12-27 23:37:52,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-27 23:37:52,618 INFO L208 MainTranslator]: Completed translation [2021-12-27 23:37:52,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52 WrapperNode [2021-12-27 23:37:52,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-27 23:37:52,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-27 23:37:52,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-27 23:37:52,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-27 23:37:52,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,683 INFO L137 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 224 [2021-12-27 23:37:52,685 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-27 23:37:52,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-27 23:37:52,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-27 23:37:52,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-27 23:37:52,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-27 23:37:52,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-27 23:37:52,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-27 23:37:52,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-27 23:37:52,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (1/1) ... [2021-12-27 23:37:52,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-27 23:37:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-27 23:37:52,788 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) [2021-12-27 23:37:52,790 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 [2021-12-27 23:37:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-27 23:37:52,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-27 23:37:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-27 23:37:52,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-27 23:37:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-27 23:37:52,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-27 23:37:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-27 23:37:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-27 23:37:52,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-27 23:37:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-27 23:37:52,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-27 23:37:52,927 INFO L234 CfgBuilder]: Building ICFG [2021-12-27 23:37:52,944 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-27 23:37:58,524 INFO L275 CfgBuilder]: Performing block encoding [2021-12-27 23:37:58,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-27 23:37:58,530 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-27 23:37:58,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:37:58 BoogieIcfgContainer [2021-12-27 23:37:58,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-27 23:37:58,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-27 23:37:58,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-27 23:37:58,536 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-27 23:37:58,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:37:52" (1/3) ... [2021-12-27 23:37:58,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1408c0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:37:58, skipping insertion in model container [2021-12-27 23:37:58,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:37:52" (2/3) ... [2021-12-27 23:37:58,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1408c0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:37:58, skipping insertion in model container [2021-12-27 23:37:58,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:37:58" (3/3) ... [2021-12-27 23:37:58,540 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1122a.c [2021-12-27 23:37:58,544 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-27 23:37:58,545 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-27 23:37:58,584 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-27 23:37:58,591 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 [2021-12-27 23:37:58,592 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-27 23:37:58,603 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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) [2021-12-27 23:37:58,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-27 23:37:58,606 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:37:58,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-27 23:37:58,607 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:37:58,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:37:58,611 INFO L85 PathProgramCache]: Analyzing trace with hash 668833300, now seen corresponding path program 1 times [2021-12-27 23:37:58,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-27 23:37:58,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267237097] [2021-12-27 23:37:58,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:37:58,627 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-27 23:37:58,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-27 23:37:58,629 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) [2021-12-27 23:37:58,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-27 23:37:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-27 23:37:59,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-27 23:37:59,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-27 23:37:59,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-27 23:37:59,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-27 23:37:59,623 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-27 23:37:59,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267237097] [2021-12-27 23:37:59,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267237097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-27 23:37:59,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-27 23:37:59,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-27 23:37:59,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661112025] [2021-12-27 23:37:59,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-27 23:37:59,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-27 23:37:59,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-27 23:37:59,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-27 23:37:59,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-27 23:37:59,652 INFO L87 Difference]: Start difference. First operand has 55 states, 53 states have (on average 1.8113207547169812) internal successors, (96), 54 states have internal predecessors, (96), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-27 23:37:59,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-27 23:37:59,671 INFO L93 Difference]: Finished difference Result 108 states and 190 transitions. [2021-12-27 23:37:59,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-27 23:37:59,675 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-12-27 23:37:59,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-27 23:37:59,681 INFO L225 Difference]: With dead ends: 108 [2021-12-27 23:37:59,682 INFO L226 Difference]: Without dead ends: 52 [2021-12-27 23:37:59,684 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-27 23:37:59,688 INFO L933 BasicCegarLoop]: 81 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, 81 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 [2021-12-27 23:37:59,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-27 23:37:59,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2021-12-27 23:37:59,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2021-12-27 23:37:59,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 51 states have internal predecessors, (78), 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) [2021-12-27 23:37:59,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 78 transitions. [2021-12-27 23:37:59,715 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 78 transitions. Word has length 10 [2021-12-27 23:37:59,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-27 23:37:59,716 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 78 transitions. [2021-12-27 23:37:59,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-12-27 23:37:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2021-12-27 23:37:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-27 23:37:59,717 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:37:59,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-27 23:37:59,740 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-27 23:37:59,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-27 23:37:59,918 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:37:59,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:37:59,919 INFO L85 PathProgramCache]: Analyzing trace with hash 133394385, now seen corresponding path program 1 times [2021-12-27 23:37:59,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-27 23:37:59,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [416414845] [2021-12-27 23:37:59,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:37:59,921 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-27 23:37:59,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-27 23:37:59,922 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) [2021-12-27 23:37:59,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-27 23:38:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-27 23:38:00,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-27 23:38:00,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-27 23:38:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-27 23:38:16,774 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-27 23:38:16,775 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-27 23:38:16,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [416414845] [2021-12-27 23:38:16,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [416414845] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-27 23:38:16,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-27 23:38:16,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-27 23:38:16,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625853211] [2021-12-27 23:38:16,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-27 23:38:16,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-27 23:38:16,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-27 23:38:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-27 23:38:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-27 23:38:16,778 INFO L87 Difference]: Start difference. First operand 52 states and 78 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2021-12-27 23:38:20,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-27 23:38:24,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-27 23:38:24,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-27 23:38:24,700 INFO L93 Difference]: Finished difference Result 62 states and 86 transitions. [2021-12-27 23:38:24,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-27 23:38:24,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) Word has length 12 [2021-12-27 23:38:24,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-27 23:38:24,740 INFO L225 Difference]: With dead ends: 62 [2021-12-27 23:38:24,740 INFO L226 Difference]: Without dead ends: 57 [2021-12-27 23:38:24,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 13.7s TimeCoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2021-12-27 23:38:24,742 INFO L933 BasicCegarLoop]: 73 mSDtfsCounter, 81 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-12-27 23:38:24,742 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [81 Valid, 289 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 1 Unknown, 12 Unchecked, 5.7s Time] [2021-12-27 23:38:24,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-12-27 23:38:24,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2021-12-27 23:38:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 51 states have internal predecessors, (77), 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) [2021-12-27 23:38:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2021-12-27 23:38:24,750 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 77 transitions. Word has length 12 [2021-12-27 23:38:24,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-27 23:38:24,750 INFO L470 AbstractCegarLoop]: Abstraction has 52 states and 77 transitions. [2021-12-27 23:38:24,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 6 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) [2021-12-27 23:38:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2021-12-27 23:38:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-12-27 23:38:24,751 INFO L506 BasicCegarLoop]: Found error trace [2021-12-27 23:38:24,751 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-27 23:38:24,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-27 23:38:24,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-27 23:38:24,953 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-27 23:38:24,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-27 23:38:24,954 INFO L85 PathProgramCache]: Analyzing trace with hash -910533226, now seen corresponding path program 1 times [2021-12-27 23:38:24,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-27 23:38:24,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1556029929] [2021-12-27 23:38:24,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-27 23:38:24,955 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-27 23:38:24,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-27 23:38:24,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-27 23:38:24,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-27 23:38:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-27 23:38:25,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-27 23:38:25,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-27 23:38:26,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-27 23:38:26,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-27 23:38:26,034 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-27 23:38:26,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1556029929] [2021-12-27 23:38:26,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1556029929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-27 23:38:26,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-27 23:38:26,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-27 23:38:26,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211377999] [2021-12-27 23:38:26,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-27 23:38:26,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-27 23:38:26,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-27 23:38:26,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-27 23:38:26,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-27 23:38:26,036 INFO L87 Difference]: Start difference. First operand 52 states and 77 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-12-27 23:38:26,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-27 23:38:26,039 INFO L93 Difference]: Finished difference Result 52 states and 77 transitions. [2021-12-27 23:38:26,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-27 23:38:26,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2021-12-27 23:38:26,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-27 23:38:26,039 INFO L225 Difference]: With dead ends: 52 [2021-12-27 23:38:26,039 INFO L226 Difference]: Without dead ends: 0 [2021-12-27 23:38:26,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-27 23:38:26,041 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-27 23:38:26,041 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 10 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-12-27 23:38:26,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-27 23:38:26,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-27 23:38:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-12-27 23:38:26,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-27 23:38:26,042 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2021-12-27 23:38:26,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-27 23:38:26,042 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-27 23:38:26,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2021-12-27 23:38:26,042 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-27 23:38:26,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-27 23:38:26,049 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-27 23:38:26,065 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-27 23:38:26,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-27 23:38:26,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-27 23:38:28,292 INFO L858 garLoopResultBuilder]: For program point L35-2(lines 35 40) no Hoare annotation was computed. [2021-12-27 23:38:28,292 INFO L854 garLoopResultBuilder]: At program point L68-3(lines 68 69) the Hoare annotation is: false [2021-12-27 23:38:28,292 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-27 23:38:28,292 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 141) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 103 117) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L854 garLoopResultBuilder]: At program point L136-2(lines 136 141) the Hoare annotation is: false [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L103-3(lines 103 117) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L71-2(lines 71 72) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L854 garLoopResultBuilder]: At program point L71-3(lines 71 72) the Hoare annotation is: false [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 159) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 142 161) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L154-2(lines 154 159) no Hoare annotation was computed. [2021-12-27 23:38:28,293 INFO L858 garLoopResultBuilder]: For program point L55(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L122-1(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L56(lines 56 62) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L106(lines 106 107) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L106-2(lines 103 117) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L57-2(lines 57 58) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L854 garLoopResultBuilder]: At program point L57-3(lines 57 58) the Hoare annotation is: false [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L854 garLoopResultBuilder]: At program point L108-1(lines 103 117) the Hoare annotation is: false [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L93-2(lines 89 100) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point L60-2(lines 60 61) no Hoare annotation was computed. [2021-12-27 23:38:28,294 INFO L854 garLoopResultBuilder]: At program point L60-3(lines 60 61) the Hoare annotation is: false [2021-12-27 23:38:28,294 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L177(lines 177 180) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L144(lines 144 153) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 47) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L29-1(lines 29 34) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L854 garLoopResultBuilder]: At program point L29-2(lines 29 34) the Hoare annotation is: (and (= |ULTIMATE.start_fmod_double_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L178(line 178) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 113) no Hoare annotation was computed. [2021-12-27 23:38:28,295 INFO L854 garLoopResultBuilder]: At program point L162(lines 25 163) the Hoare annotation is: (exists ((|ULTIMATE.start_fmod_double_~y#1| (_ FloatingPoint 11 53))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (_ +zero 11 53)) |ULTIMATE.start_fmod_double_~y#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_fmod_double_#res#1|)) [2021-12-27 23:38:28,295 INFO L854 garLoopResultBuilder]: At program point L129-2(lines 129 133) the Hoare annotation is: false [2021-12-27 23:38:28,295 INFO L858 garLoopResultBuilder]: For program point L129-3(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 153) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L81(lines 81 87) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L81-2(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 178) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L66(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L861 garLoopResultBuilder]: At program point L182(lines 165 183) the Hoare annotation is: true [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L67(lines 67 73) no Hoare annotation was computed. [2021-12-27 23:38:28,296 INFO L858 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-12-27 23:38:28,297 INFO L854 garLoopResultBuilder]: At program point L18(line 18) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) [2021-12-27 23:38:28,297 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 161) no Hoare annotation was computed. [2021-12-27 23:38:28,297 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 40) no Hoare annotation was computed. [2021-12-27 23:38:28,297 INFO L858 garLoopResultBuilder]: For program point L35-1(lines 25 163) no Hoare annotation was computed. [2021-12-27 23:38:28,297 INFO L858 garLoopResultBuilder]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2021-12-27 23:38:28,299 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-27 23:38:28,300 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-27 23:38:28,312 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,313 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,314 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,314 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,315 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,315 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,315 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,315 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,316 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,316 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,317 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,318 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:38:28 BoogieIcfgContainer [2021-12-27 23:38:28,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-27 23:38:28,319 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-27 23:38:28,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-27 23:38:28,320 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-27 23:38:28,320 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:37:58" (3/4) ... [2021-12-27 23:38:28,323 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-27 23:38:28,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-27 23:38:28,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-12-27 23:38:28,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-27 23:38:28,338 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-27 23:38:28,384 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-27 23:38:28,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-27 23:38:28,385 INFO L158 Benchmark]: Toolchain (without parser) took 36167.50ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.6MB in the beginning and 42.6MB in the end (delta: -13.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,386 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-27 23:38:28,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.59ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.4MB in the beginning and 43.1MB in the end (delta: -13.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.57ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,387 INFO L158 Benchmark]: Boogie Preprocessor took 71.49ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,387 INFO L158 Benchmark]: RCFGBuilder took 5773.86ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 34.7MB in the end (delta: 4.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,387 INFO L158 Benchmark]: TraceAbstraction took 29784.93ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 26.2MB in the end (delta: 8.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,388 INFO L158 Benchmark]: Witness Printer took 65.59ms. Allocated memory is still 62.9MB. Free memory was 26.2MB in the beginning and 42.6MB in the end (delta: -16.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-27 23:38:28,390 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 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.59ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 29.4MB in the beginning and 43.1MB in the end (delta: -13.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.57ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.49ms. Allocated memory is still 62.9MB. Free memory was 40.9MB in the beginning and 38.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5773.86ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 34.7MB in the end (delta: 4.0MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * TraceAbstraction took 29784.93ms. Allocated memory is still 62.9MB. Free memory was 34.3MB in the beginning and 26.2MB in the end (delta: 8.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 65.59ms. Allocated memory is still 62.9MB. Free memory was 26.2MB in the beginning and 42.6MB in the end (delta: -16.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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 - PositiveResult [Line: 178]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 5.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 380 SdHoareTripleChecker+Invalid, 5.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 15 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 159 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 15 NumberOfFragments, 46 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 17.2s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 7 QuantifiedInterpolants, 230 SizeOfPredicates, 17 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1bv32 == \result - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant [2021-12-27 23:38:28,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,416 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,417 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,417 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,418 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,418 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,422 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] [2021-12-27 23:38:28,423 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,423 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,423 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_fmod_double_~y#1,QUANTIFIED] Derived loop invariant: (\exists ULTIMATE.start_fmod_double_~y#1 : C_DOUBLE :: ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y#1), ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ULTIMATE.start_fmod_double_~y#1)) == \result) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant [2021-12-27 23:38:28,425 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-12-27 23:38:28,426 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2021-12-27 23:38:28,655 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-12-27 23:38:28,733 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 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE