./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0683b.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 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:33:11,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:33:11,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:33:11,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:33:11,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:33:11,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:33:11,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:33:11,074 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:33:11,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:33:11,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:33:11,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:33:11,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:33:11,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:33:11,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:33:11,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:33:11,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:33:11,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:33:11,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:33:11,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:33:11,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:33:11,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:33:11,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:33:11,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:33:11,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:33:11,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:33:11,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:33:11,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:33:11,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:33:11,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:33:11,115 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:33:11,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:33:11,116 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:33:11,117 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:33:11,118 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:33:11,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:33:11,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:33:11,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:33:11,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:33:11,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:33:11,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:33:11,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:33:11,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:33:11,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:33:11,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:33:11,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:33:11,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:33:11,156 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:33:11,156 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:33:11,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:33:11,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:33:11,157 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:33:11,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:33:11,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:33:11,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:33:11,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:33:11,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:33:11,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:33:11,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:33:11,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:33:11,159 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:33:11,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:33:11,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:33:11,160 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:33:11,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:33:11,160 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:33:11,160 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:33:11,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:33:11,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:33:11,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:33:11,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:33:11,161 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:33:11,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:33:11,162 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:33:11,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:33:11,162 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:33:11,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:33:11,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf [2021-12-17 07:33:11,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:33:11,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:33:11,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:33:11,403 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:33:11,407 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:33:11,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2021-12-17 07:33:11,457 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c1aac30/3dc46563bc9c4b8f97f150b074f656a0/FLAG4b49ed7f4 [2021-12-17 07:33:11,839 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:33:11,840 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2021-12-17 07:33:11,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c1aac30/3dc46563bc9c4b8f97f150b074f656a0/FLAG4b49ed7f4 [2021-12-17 07:33:12,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3c1aac30/3dc46563bc9c4b8f97f150b074f656a0 [2021-12-17 07:33:12,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:33:12,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:33:12,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:33:12,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:33:12,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:33:12,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66093a59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12, skipping insertion in model container [2021-12-17 07:33:12,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:33:12,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:33:12,467 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_0683b.c[7144,7157] [2021-12-17 07:33:12,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:33:12,479 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:33:12,527 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_0683b.c[7144,7157] [2021-12-17 07:33:12,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:33:12,544 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:33:12,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12 WrapperNode [2021-12-17 07:33:12,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:33:12,546 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:33:12,546 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:33:12,546 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:33:12,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,588 INFO L137 Inliner]: procedures = 22, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 301 [2021-12-17 07:33:12,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:33:12,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:33:12,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:33:12,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:33:12,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,603 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,615 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:33:12,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:33:12,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:33:12,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:33:12,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (1/1) ... [2021-12-17 07:33:12,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:33:12,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:33:12,692 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) [2021-12-17 07:33:12,714 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 [2021-12-17 07:33:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:33:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:33:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:33:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:33:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:33:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-17 07:33:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-17 07:33:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:33:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2021-12-17 07:33:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2021-12-17 07:33:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:33:12,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:33:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:33:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-17 07:33:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:33:12,880 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:33:12,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:33:13,279 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:33:13,286 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:33:13,287 INFO L301 CfgBuilder]: Removed 22 assume(true) statements. [2021-12-17 07:33:13,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:33:13 BoogieIcfgContainer [2021-12-17 07:33:13,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:33:13,290 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:33:13,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:33:13,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:33:13,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:33:12" (1/3) ... [2021-12-17 07:33:13,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c09ff4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:33:13, skipping insertion in model container [2021-12-17 07:33:13,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:12" (2/3) ... [2021-12-17 07:33:13,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c09ff4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:33:13, skipping insertion in model container [2021-12-17 07:33:13,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:33:13" (3/3) ... [2021-12-17 07:33:13,299 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2021-12-17 07:33:13,304 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:33:13,304 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:33:13,380 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:33:13,393 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 [2021-12-17 07:33:13,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:33:13,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 100 states have (on average 1.65) internal successors, (165), 101 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:33:13,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-17 07:33:13,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:33:13,435 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:33:13,435 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:33:13,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:33:13,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1361939207, now seen corresponding path program 1 times [2021-12-17 07:33:13,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:33:13,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171476491] [2021-12-17 07:33:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:33:13,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:33:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:33:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:33:13,593 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:33:13,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171476491] [2021-12-17 07:33:13,594 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171476491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:33:13,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:33:13,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:33:13,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698207946] [2021-12-17 07:33:13,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:33:13,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:33:13,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:33:13,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:33:13,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:33:13,640 INFO L87 Difference]: Start difference. First operand has 108 states, 100 states have (on average 1.65) internal successors, (165), 101 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-12-17 07:33:13,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:33:13,699 INFO L93 Difference]: Finished difference Result 214 states and 348 transitions. [2021-12-17 07:33:13,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:33:13,701 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-12-17 07:33:13,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:33:13,719 INFO L225 Difference]: With dead ends: 214 [2021-12-17 07:33:13,719 INFO L226 Difference]: Without dead ends: 104 [2021-12-17 07:33:13,727 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 [2021-12-17 07:33:13,731 INFO L933 BasicCegarLoop]: 150 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, 150 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 [2021-12-17 07:33:13,732 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:33:13,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-17 07:33:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-17 07:33:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 97 states have (on average 1.4123711340206186) internal successors, (137), 97 states have internal predecessors, (137), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:33:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 145 transitions. [2021-12-17 07:33:13,799 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 145 transitions. Word has length 16 [2021-12-17 07:33:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:33:13,799 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 145 transitions. [2021-12-17 07:33:13,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-12-17 07:33:13,800 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2021-12-17 07:33:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-17 07:33:13,802 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:33:13,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:33:13,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:33:13,803 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:33:13,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:33:13,807 INFO L85 PathProgramCache]: Analyzing trace with hash 737645393, now seen corresponding path program 1 times [2021-12-17 07:33:13,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:33:13,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866446047] [2021-12-17 07:33:13,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:33:13,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:33:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:33:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:33:13,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:33:13,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866446047] [2021-12-17 07:33:13,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866446047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:33:13,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:33:13,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 07:33:13,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76531864] [2021-12-17 07:33:13,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:33:13,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 07:33:13,965 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:33:14,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 07:33:14,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 07:33:14,005 INFO L87 Difference]: Start difference. First operand 104 states and 145 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-12-17 07:33:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:33:14,070 INFO L93 Difference]: Finished difference Result 197 states and 278 transitions. [2021-12-17 07:33:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 07:33:14,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-12-17 07:33:14,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:33:14,074 INFO L225 Difference]: With dead ends: 197 [2021-12-17 07:33:14,075 INFO L226 Difference]: Without dead ends: 104 [2021-12-17 07:33:14,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 07:33:14,078 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:33:14,083 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:33:14,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-17 07:33:14,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-17 07:33:14,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 97 states have (on average 1.402061855670103) internal successors, (136), 97 states have internal predecessors, (136), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:33:14,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 144 transitions. [2021-12-17 07:33:14,109 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 144 transitions. Word has length 19 [2021-12-17 07:33:14,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:33:14,110 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 144 transitions. [2021-12-17 07:33:14,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-12-17 07:33:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2021-12-17 07:33:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-17 07:33:14,115 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:33:14,115 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:33:14,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:33:14,116 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:33:14,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:33:14,117 INFO L85 PathProgramCache]: Analyzing trace with hash -251660186, now seen corresponding path program 1 times [2021-12-17 07:33:14,118 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:33:14,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313484204] [2021-12-17 07:33:14,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:33:14,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:33:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:33:14,321 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:33:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:33:14,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:33:14,480 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:33:14,481 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:33:14,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-17 07:33:14,486 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-17 07:33:14,489 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:33:14,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:33:14 BoogieIcfgContainer [2021-12-17 07:33:14,555 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:33:14,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:33:14,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:33:14,556 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:33:14,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:33:13" (3/4) ... [2021-12-17 07:33:14,559 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:33:14,559 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:33:14,561 INFO L158 Benchmark]: Toolchain (without parser) took 2312.50ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 69.5MB in the beginning and 58.0MB in the end (delta: 11.5MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2021-12-17 07:33:14,562 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:33:14,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.27ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 69.0MB in the end (delta: 160.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:33:14,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.16ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 66.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:33:14,567 INFO L158 Benchmark]: Boogie Preprocessor took 38.99ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:33:14,568 INFO L158 Benchmark]: RCFGBuilder took 659.71ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 63.8MB in the beginning and 90.2MB in the end (delta: -26.4MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2021-12-17 07:33:14,569 INFO L158 Benchmark]: TraceAbstraction took 1264.46ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 58.2MB in the end (delta: 31.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2021-12-17 07:33:14,569 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 121.6MB. Free memory was 58.2MB in the beginning and 58.0MB in the end (delta: 259.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:33:14,571 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.27ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 69.0MB in the end (delta: 160.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.16ms. Allocated memory is still 98.6MB. Free memory was 69.0MB in the beginning and 66.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.99ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 659.71ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 63.8MB in the beginning and 90.2MB in the end (delta: -26.4MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1264.46ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 58.2MB in the end (delta: 31.4MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 121.6MB. Free memory was 58.2MB in the beginning and 58.0MB in the end (delta: 259.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 300]: 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 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L294] CALL, EXPR isinf_double(x) [L248] __int32_t hx, lx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \result=2147483647, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2146435073, lx=0, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L294] RET, EXPR isinf_double(x) [L294] EXPR isinf_double(x) && isfinite_double(y) [L294] CALL, EXPR isfinite_double(y) [L262] __int32_t hx; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \result=-4, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-3, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L294] RET, EXPR isfinite_double(y) [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, isfinite_double(y)=-4, isinf_double(x)=2147483647, isinf_double(x) && isfinite_double(y)=1, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L296] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, hy=0, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1, hy=0, lx=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005, ly=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L296] RET, EXPR __ieee754_atan2(y, x) [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, res == 0.0 && __signbit_double(res) == 0=0, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L300] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, 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, 434 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 295 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 34 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 [2021-12-17 07:33:14,622 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_0683b.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 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:33:16,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:33:16,734 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:33:16,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:33:16,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:33:16,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:33:16,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:33:16,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:33:16,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:33:16,804 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:33:16,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:33:16,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:33:16,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:33:16,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:33:16,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:33:16,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:33:16,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:33:16,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:33:16,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:33:16,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:33:16,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:33:16,829 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:33:16,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:33:16,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:33:16,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:33:16,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:33:16,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:33:16,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:33:16,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:33:16,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:33:16,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:33:16,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:33:16,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:33:16,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:33:16,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:33:16,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:33:16,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:33:16,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:33:16,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:33:16,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:33:16,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:33:16,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:33:16,892 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:33:16,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:33:16,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:33:16,894 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:33:16,895 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:33:16,895 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:33:16,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:33:16,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:33:16,897 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:33:16,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:33:16,898 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:33:16,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:33:16,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:33:16,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:33:16,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:33:16,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:33:16,899 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:33:16,899 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:33:16,899 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:33:16,899 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:33:16,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:33:16,900 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:33:16,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:33:16,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:33:16,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:33:16,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:33:16,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:33:16,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:33:16,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:33:16,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:33:16,902 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:33:16,902 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:33:16,902 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:33:16,903 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:33:16,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:33:16,903 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:33:16,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:33:16,904 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36a25d1cc10a3acef2d51baa3a61a9b87948e8bff166cc50fbf6e17f888f4dbf [2021-12-17 07:33:17,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:33:17,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:33:17,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:33:17,243 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:33:17,244 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:33:17,245 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2021-12-17 07:33:17,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2681c491e/04a863a887724262ae6363f94c4ce318/FLAGed542055e [2021-12-17 07:33:17,847 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:33:17,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2021-12-17 07:33:17,860 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2681c491e/04a863a887724262ae6363f94c4ce318/FLAGed542055e [2021-12-17 07:33:18,295 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2681c491e/04a863a887724262ae6363f94c4ce318 [2021-12-17 07:33:18,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:33:18,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:33:18,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:33:18,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:33:18,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:33:18,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a786f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18, skipping insertion in model container [2021-12-17 07:33:18,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:33:18,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:33:18,595 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_0683b.c[7144,7157] [2021-12-17 07:33:18,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:33:18,617 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:33:18,696 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_0683b.c[7144,7157] [2021-12-17 07:33:18,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:33:18,730 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:33:18,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18 WrapperNode [2021-12-17 07:33:18,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:33:18,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:33:18,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:33:18,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:33:18,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,801 INFO L137 Inliner]: procedures = 25, calls = 103, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 299 [2021-12-17 07:33:18,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:33:18,805 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:33:18,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:33:18,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:33:18,813 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,878 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:33:18,894 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:33:18,894 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:33:18,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:33:18,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (1/1) ... [2021-12-17 07:33:18,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:33:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:33:18,920 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) [2021-12-17 07:33:18,944 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 [2021-12-17 07:33:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:33:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-17 07:33:18,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-17 07:33:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:33:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:33:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-12-17 07:33:18,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-12-17 07:33:18,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-12-17 07:33:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2021-12-17 07:33:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2021-12-17 07:33:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:33:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:33:18,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:33:18,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:33:18,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:33:19,072 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:33:19,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:33:44,057 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:33:44,063 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:33:44,063 INFO L301 CfgBuilder]: Removed 22 assume(true) statements. [2021-12-17 07:33:44,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:33:44 BoogieIcfgContainer [2021-12-17 07:33:44,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:33:44,066 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:33:44,066 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:33:44,069 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:33:44,069 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:33:18" (1/3) ... [2021-12-17 07:33:44,070 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29aec7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:33:44, skipping insertion in model container [2021-12-17 07:33:44,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:33:18" (2/3) ... [2021-12-17 07:33:44,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29aec7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:33:44, skipping insertion in model container [2021-12-17 07:33:44,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:33:44" (3/3) ... [2021-12-17 07:33:44,072 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2021-12-17 07:33:44,077 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:33:44,077 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:33:44,118 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:33:44,125 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 [2021-12-17 07:33:44,125 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:33:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 100 states have (on average 1.65) internal successors, (165), 101 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:33:44,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-17 07:33:44,146 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:33:44,147 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:33:44,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:33:44,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:33:44,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1361939207, now seen corresponding path program 1 times [2021-12-17 07:33:44,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:33:44,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727511485] [2021-12-17 07:33:44,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:33:44,175 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:33:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:33:44,178 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) [2021-12-17 07:33:44,215 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:33:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:33:44,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:33:44,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:33:45,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:33:45,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:33:45,087 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:33:45,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727511485] [2021-12-17 07:33:45,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727511485] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:33:45,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:33:45,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:33:45,090 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266579329] [2021-12-17 07:33:45,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:33:45,093 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:33:45,094 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:33:45,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:33:45,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:33:45,120 INFO L87 Difference]: Start difference. First operand has 108 states, 100 states have (on average 1.65) internal successors, (165), 101 states have internal predecessors, (165), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-12-17 07:33:45,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:33:45,165 INFO L93 Difference]: Finished difference Result 214 states and 348 transitions. [2021-12-17 07:33:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:33:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-12-17 07:33:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:33:45,175 INFO L225 Difference]: With dead ends: 214 [2021-12-17 07:33:45,175 INFO L226 Difference]: Without dead ends: 104 [2021-12-17 07:33:45,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:33:45,182 INFO L933 BasicCegarLoop]: 150 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, 150 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 [2021-12-17 07:33:45,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:33:45,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-17 07:33:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-17 07:33:45,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 97 states have (on average 1.4123711340206186) internal successors, (137), 97 states have internal predecessors, (137), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:33:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 145 transitions. [2021-12-17 07:33:45,240 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 145 transitions. Word has length 16 [2021-12-17 07:33:45,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:33:45,240 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 145 transitions. [2021-12-17 07:33:45,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-12-17 07:33:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 145 transitions. [2021-12-17 07:33:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-17 07:33:45,243 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:33:45,243 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:33:45,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-17 07:33:45,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:33:45,460 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:33:45,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:33:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash 737645393, now seen corresponding path program 1 times [2021-12-17 07:33:45,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:33:45,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [190653516] [2021-12-17 07:33:45,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:33:45,462 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:33:45,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:33:45,464 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) [2021-12-17 07:33:45,495 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:33:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:33:45,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-17 07:33:45,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:33:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:33:46,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:33:46,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:33:46,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [190653516] [2021-12-17 07:33:46,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [190653516] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:33:46,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:33:46,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-17 07:33:46,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080686012] [2021-12-17 07:33:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:33:46,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-17 07:33:46,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:33:46,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-17 07:33:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 07:33:46,473 INFO L87 Difference]: Start difference. First operand 104 states and 145 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-12-17 07:33:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:33:46,662 INFO L93 Difference]: Finished difference Result 197 states and 278 transitions. [2021-12-17 07:33:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-17 07:33:46,667 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2021-12-17 07:33:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:33:46,669 INFO L225 Difference]: With dead ends: 197 [2021-12-17 07:33:46,669 INFO L226 Difference]: Without dead ends: 104 [2021-12-17 07:33:46,671 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-17 07:33:46,672 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-17 07:33:46,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-17 07:33:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-17 07:33:46,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-17 07:33:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 97 states have (on average 1.402061855670103) internal successors, (136), 97 states have internal predecessors, (136), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:33:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 144 transitions. [2021-12-17 07:33:46,682 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 144 transitions. Word has length 19 [2021-12-17 07:33:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:33:46,683 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 144 transitions. [2021-12-17 07:33:46,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-12-17 07:33:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 144 transitions. [2021-12-17 07:33:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-17 07:33:46,684 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:33:46,684 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:33:46,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-12-17 07:33:46,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:33:46,891 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:33:46,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:33:46,892 INFO L85 PathProgramCache]: Analyzing trace with hash -251660186, now seen corresponding path program 1 times [2021-12-17 07:33:46,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:33:46,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117000640] [2021-12-17 07:33:46,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:33:46,893 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:33:46,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:33:46,894 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) [2021-12-17 07:33:46,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:33:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:33:47,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 32 conjunts are in the unsatisfiable core [2021-12-17 07:33:47,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:33:48,730 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2021-12-17 07:33:55,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-17 07:33:56,364 INFO L354 Elim1Store]: treesize reduction 14, result has 44.0 percent of original size [2021-12-17 07:33:56,364 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 42 [2021-12-17 07:34:02,359 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-17 07:34:02,359 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2021-12-17 07:34:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:34:14,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:34:14,335 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:34:14,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117000640] [2021-12-17 07:34:14,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117000640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:34:14,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:34:14,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-17 07:34:14,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828063984] [2021-12-17 07:34:14,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:34:14,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-17 07:34:14,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:34:14,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-17 07:34:14,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2021-12-17 07:34:14,337 INFO L87 Difference]: Start difference. First operand 104 states and 144 transitions. Second operand has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2021-12-17 07:34:14,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:34:14,363 INFO L93 Difference]: Finished difference Result 113 states and 153 transitions. [2021-12-17 07:34:14,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-17 07:34:14,363 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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 23 [2021-12-17 07:34:14,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:34:14,364 INFO L225 Difference]: With dead ends: 113 [2021-12-17 07:34:14,364 INFO L226 Difference]: Without dead ends: 104 [2021-12-17 07:34:14,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=25, Invalid=106, Unknown=1, NotChecked=0, Total=132 [2021-12-17 07:34:14,366 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 2 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 110 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:34:14,366 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 981 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 110 Unchecked, 0.0s Time] [2021-12-17 07:34:14,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2021-12-17 07:34:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-12-17 07:34:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:34:14,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 143 transitions. [2021-12-17 07:34:14,374 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 143 transitions. Word has length 23 [2021-12-17 07:34:14,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:34:14,375 INFO L470 AbstractCegarLoop]: Abstraction has 104 states and 143 transitions. [2021-12-17 07:34:14,375 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 12 states have internal predecessors, (23), 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) [2021-12-17 07:34:14,375 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions. [2021-12-17 07:34:14,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 07:34:14,376 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:34:14,376 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:34:14,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:34:14,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:34:14,580 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:34:14,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:34:14,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1496407545, now seen corresponding path program 1 times [2021-12-17 07:34:14,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:34:14,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [83149079] [2021-12-17 07:34:14,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:34:14,581 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:34:14,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:34:14,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:34:14,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-17 07:34:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:34:15,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-17 07:34:15,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:34:15,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2021-12-17 07:34:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:34:17,317 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:34:17,317 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:34:17,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [83149079] [2021-12-17 07:34:17,318 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [83149079] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:34:17,318 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:34:17,318 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:34:17,318 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276555877] [2021-12-17 07:34:17,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:34:17,318 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:34:17,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:34:17,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:34:17,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:34:17,319 INFO L87 Difference]: Start difference. First operand 104 states and 143 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-17 07:34:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:34:17,700 INFO L93 Difference]: Finished difference Result 188 states and 259 transitions. [2021-12-17 07:34:17,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:34:17,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 28 [2021-12-17 07:34:17,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:34:17,702 INFO L225 Difference]: With dead ends: 188 [2021-12-17 07:34:17,702 INFO L226 Difference]: Without dead ends: 107 [2021-12-17 07:34:17,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:34:17,703 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 13 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:34:17,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 517 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 16 Unchecked, 0.0s Time] [2021-12-17 07:34:17,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-12-17 07:34:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 98. [2021-12-17 07:34:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.3626373626373627) internal successors, (124), 91 states have internal predecessors, (124), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:34:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 132 transitions. [2021-12-17 07:34:17,711 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 132 transitions. Word has length 28 [2021-12-17 07:34:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:34:17,711 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 132 transitions. [2021-12-17 07:34:17,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2021-12-17 07:34:17,712 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 132 transitions. [2021-12-17 07:34:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-17 07:34:17,713 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:34:17,713 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:34:17,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-12-17 07:34:17,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:34:17,919 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:34:17,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:34:17,920 INFO L85 PathProgramCache]: Analyzing trace with hash -170923191, now seen corresponding path program 1 times [2021-12-17 07:34:17,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:34:17,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954945949] [2021-12-17 07:34:17,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:34:17,921 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:34:17,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:34:17,922 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:34:17,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-17 07:34:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:34:18,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:34:18,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:34:22,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:34:22,066 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:34:22,066 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:34:22,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954945949] [2021-12-17 07:34:22,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954945949] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:34:22,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:34:22,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:34:22,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399233487] [2021-12-17 07:34:22,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:34:22,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:34:22,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:34:22,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:34:22,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:34:22,068 INFO L87 Difference]: Start difference. First operand 98 states and 132 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2021-12-17 07:34:22,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:34:22,074 INFO L93 Difference]: Finished difference Result 116 states and 150 transitions. [2021-12-17 07:34:22,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:34:22,075 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 28 [2021-12-17 07:34:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:34:22,076 INFO L225 Difference]: With dead ends: 116 [2021-12-17 07:34:22,076 INFO L226 Difference]: Without dead ends: 105 [2021-12-17 07:34:22,076 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:34:22,077 INFO L933 BasicCegarLoop]: 132 mSDtfsCounter, 11 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:34:22,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 625 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2021-12-17 07:34:22,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-12-17 07:34:22,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96. [2021-12-17 07:34:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:34:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 128 transitions. [2021-12-17 07:34:22,086 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 128 transitions. Word has length 28 [2021-12-17 07:34:22,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:34:22,087 INFO L470 AbstractCegarLoop]: Abstraction has 96 states and 128 transitions. [2021-12-17 07:34:22,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2021-12-17 07:34:22,087 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 128 transitions. [2021-12-17 07:34:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-17 07:34:22,088 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:34:22,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:34:22,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-12-17 07:34:22,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:34:22,304 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:34:22,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:34:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2019366507, now seen corresponding path program 1 times [2021-12-17 07:34:22,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:34:22,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2132062017] [2021-12-17 07:34:22,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:34:22,305 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:34:22,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:34:22,307 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:34:22,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-17 07:34:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:34:22,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-17 07:34:22,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:34:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:34:24,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:34:24,890 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:34:24,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2132062017] [2021-12-17 07:34:24,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2132062017] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:34:24,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:34:24,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-17 07:34:24,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346826511] [2021-12-17 07:34:24,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:34:24,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:34:24,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:34:24,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:34:24,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:34:24,892 INFO L87 Difference]: Start difference. First operand 96 states and 128 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-17 07:34:29,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:32,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:33,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:36,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-17 07:34:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:34:36,165 INFO L93 Difference]: Finished difference Result 108 states and 139 transitions. [2021-12-17 07:34:36,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:34:36,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2021-12-17 07:34:36,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:34:36,167 INFO L225 Difference]: With dead ends: 108 [2021-12-17 07:34:36,167 INFO L226 Difference]: Without dead ends: 105 [2021-12-17 07:34:36,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-17 07:34:36,168 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 125 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-12-17 07:34:36,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [125 Valid, 356 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2021-12-17 07:34:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2021-12-17 07:34:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 98. [2021-12-17 07:34:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:34:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2021-12-17 07:34:36,176 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 29 [2021-12-17 07:34:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:34:36,176 INFO L470 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2021-12-17 07:34:36,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-12-17 07:34:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2021-12-17 07:34:36,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-12-17 07:34:36,177 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:34:36,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:34:36,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-12-17 07:34:36,395 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:34:36,396 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:34:36,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:34:36,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1310102379, now seen corresponding path program 1 times [2021-12-17 07:34:36,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:34:36,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1927436557] [2021-12-17 07:34:36,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:34:36,397 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:34:36,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:34:36,398 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:34:36,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-17 07:34:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:34:36,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-17 07:34:36,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:09,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:09,354 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:09,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1927436557] [2021-12-17 07:35:09,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1927436557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:09,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:09,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-17 07:35:09,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460257260] [2021-12-17 07:35:09,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:09,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 07:35:09,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:09,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 07:35:09,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=50, Unknown=7, NotChecked=0, Total=72 [2021-12-17 07:35:09,355 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2021-12-17 07:35:11,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-17 07:35:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:15,472 INFO L93 Difference]: Finished difference Result 168 states and 221 transitions. [2021-12-17 07:35:15,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-17 07:35:15,473 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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 29 [2021-12-17 07:35:15,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:15,474 INFO L225 Difference]: With dead ends: 168 [2021-12-17 07:35:15,474 INFO L226 Difference]: Without dead ends: 103 [2021-12-17 07:35:15,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=19, Invalid=62, Unknown=9, NotChecked=0, Total=90 [2021-12-17 07:35:15,475 INFO L933 BasicCegarLoop]: 116 mSDtfsCounter, 14 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 878 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 41 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:15,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 878 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 41 Unchecked, 1.8s Time] [2021-12-17 07:35:15,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2021-12-17 07:35:15,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 93. [2021-12-17 07:35:15,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 86 states have (on average 1.302325581395349) internal successors, (112), 86 states have internal predecessors, (112), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:35:15,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions. [2021-12-17 07:35:15,483 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 29 [2021-12-17 07:35:15,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:15,483 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 120 transitions. [2021-12-17 07:35:15,483 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 9 states have internal predecessors, (29), 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) [2021-12-17 07:35:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions. [2021-12-17 07:35:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-17 07:35:15,485 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:35:15,485 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:35:15,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-12-17 07:35:15,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:15,696 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:35:15,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:35:15,696 INFO L85 PathProgramCache]: Analyzing trace with hash -654903338, now seen corresponding path program 1 times [2021-12-17 07:35:15,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:35:15,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [412149793] [2021-12-17 07:35:15,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:35:15,697 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:35:15,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:35:15,698 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:35:15,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-17 07:35:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:35:16,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-17 07:35:16,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:19,903 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:19,903 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:19,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [412149793] [2021-12-17 07:35:19,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [412149793] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:19,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:19,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-17 07:35:19,904 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995233210] [2021-12-17 07:35:19,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:19,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-17 07:35:19,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:19,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-17 07:35:19,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:35:19,905 INFO L87 Difference]: Start difference. First operand 93 states and 120 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-17 07:35:19,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:19,911 INFO L93 Difference]: Finished difference Result 162 states and 209 transitions. [2021-12-17 07:35:19,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-17 07:35:19,911 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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 30 [2021-12-17 07:35:19,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:19,912 INFO L225 Difference]: With dead ends: 162 [2021-12-17 07:35:19,913 INFO L226 Difference]: Without dead ends: 102 [2021-12-17 07:35:19,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-17 07:35:19,914 INFO L933 BasicCegarLoop]: 120 mSDtfsCounter, 11 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:19,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 567 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 11 Unchecked, 0.0s Time] [2021-12-17 07:35:19,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2021-12-17 07:35:19,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 93. [2021-12-17 07:35:19,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 86 states have (on average 1.2906976744186047) internal successors, (111), 86 states have internal predecessors, (111), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-12-17 07:35:19,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 119 transitions. [2021-12-17 07:35:19,920 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 119 transitions. Word has length 30 [2021-12-17 07:35:19,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:19,920 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 119 transitions. [2021-12-17 07:35:19,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-12-17 07:35:19,921 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 119 transitions. [2021-12-17 07:35:19,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-17 07:35:19,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:35:19,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:35:19,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-12-17 07:35:20,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:20,132 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:35:20,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:35:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1853376180, now seen corresponding path program 1 times [2021-12-17 07:35:20,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:35:20,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062996577] [2021-12-17 07:35:20,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:35:20,133 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:35:20,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:35:20,134 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:35:20,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-17 07:35:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:35:20,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-17 07:35:20,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:22,261 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 16 [2021-12-17 07:35:24,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-17 07:35:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:34,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:34,664 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:34,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2062996577] [2021-12-17 07:35:34,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2062996577] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:34,665 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:34,665 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 07:35:34,665 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313419283] [2021-12-17 07:35:34,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:34,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-17 07:35:34,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:34,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-17 07:35:34,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2021-12-17 07:35:34,666 INFO L87 Difference]: Start difference. First operand 93 states and 119 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2021-12-17 07:35:34,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:34,708 INFO L93 Difference]: Finished difference Result 141 states and 176 transitions. [2021-12-17 07:35:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-17 07:35:34,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 30 [2021-12-17 07:35:34,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:34,709 INFO L225 Difference]: With dead ends: 141 [2021-12-17 07:35:34,709 INFO L226 Difference]: Without dead ends: 77 [2021-12-17 07:35:34,711 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2021-12-17 07:35:34,711 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 9 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:34,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 468 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 26 Unchecked, 0.0s Time] [2021-12-17 07:35:34,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-12-17 07:35:34,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 70. [2021-12-17 07:35:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.2) internal successors, (78), 65 states have internal predecessors, (78), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 07:35:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 82 transitions. [2021-12-17 07:35:34,721 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 82 transitions. Word has length 30 [2021-12-17 07:35:34,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:34,722 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 82 transitions. [2021-12-17 07:35:34,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2021-12-17 07:35:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2021-12-17 07:35:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-12-17 07:35:34,726 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:35:34,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:35:34,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-17 07:35:34,940 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:34,940 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:35:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:35:34,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1654205056, now seen corresponding path program 1 times [2021-12-17 07:35:34,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:35:34,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1312238265] [2021-12-17 07:35:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:35:34,941 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:35:34,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:35:34,943 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:35:34,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-17 07:35:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:35:35,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-17 07:35:35,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:39,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:39,722 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:39,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1312238265] [2021-12-17 07:35:39,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1312238265] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:39,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:39,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-17 07:35:39,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271860729] [2021-12-17 07:35:39,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:39,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-17 07:35:39,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:39,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-17 07:35:39,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-17 07:35:39,724 INFO L87 Difference]: Start difference. First operand 70 states and 82 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-12-17 07:35:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:43,519 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2021-12-17 07:35:43,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-17 07:35:43,519 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 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 33 [2021-12-17 07:35:43,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:43,520 INFO L225 Difference]: With dead ends: 80 [2021-12-17 07:35:43,520 INFO L226 Difference]: Without dead ends: 66 [2021-12-17 07:35:43,520 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-12-17 07:35:43,521 INFO L933 BasicCegarLoop]: 74 mSDtfsCounter, 73 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-17 07:35:43,521 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [73 Valid, 518 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 6 Unchecked, 1.1s Time] [2021-12-17 07:35:43,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-12-17 07:35:43,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2021-12-17 07:35:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.206896551724138) internal successors, (70), 58 states have internal predecessors, (70), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-17 07:35:43,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2021-12-17 07:35:43,527 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 33 [2021-12-17 07:35:43,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:43,527 INFO L470 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2021-12-17 07:35:43,527 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 8 states have internal predecessors, (33), 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) [2021-12-17 07:35:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2021-12-17 07:35:43,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-17 07:35:43,528 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:35:43,528 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:35:43,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-12-17 07:35:43,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:43,735 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:35:43,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:35:43,735 INFO L85 PathProgramCache]: Analyzing trace with hash 2113992496, now seen corresponding path program 1 times [2021-12-17 07:35:43,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:35:43,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1991079404] [2021-12-17 07:35:43,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:35:43,736 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:35:43,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:35:43,737 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:35:43,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-17 07:35:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:35:44,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjunts are in the unsatisfiable core [2021-12-17 07:35:44,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:35:47,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:35:47,346 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:35:47,347 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:35:47,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1991079404] [2021-12-17 07:35:47,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1991079404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:35:47,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:35:47,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-17 07:35:47,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647507316] [2021-12-17 07:35:47,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:35:47,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-17 07:35:47,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:35:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-17 07:35:47,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:35:47,349 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:35:47,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:35:47,351 INFO L93 Difference]: Finished difference Result 63 states and 74 transitions. [2021-12-17 07:35:47,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-17 07:35:47,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2021-12-17 07:35:47,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:35:47,351 INFO L225 Difference]: With dead ends: 63 [2021-12-17 07:35:47,352 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:35:47,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-17 07:35:47,352 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 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 [2021-12-17 07:35:47,353 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2021-12-17 07:35:47,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:35:47,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:35:47,354 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) [2021-12-17 07:35:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:35:47,354 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-12-17 07:35:47,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:35:47,354 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:35:47,354 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-17 07:35:47,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:35:47,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:35:47,357 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:35:47,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-17 07:35:47,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:35:47,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:35:58,886 WARN L227 SmtUtils]: Spent 8.79s on a formula simplification. DAG size of input: 65 DAG size of output: 12 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 07:36:06,441 WARN L227 SmtUtils]: Spent 7.52s on a formula simplification. DAG size of input: 63 DAG size of output: 9 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2021-12-17 07:36:06,920 INFO L858 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-12-17 07:36:06,920 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-12-17 07:36:06,920 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 19 33) the Hoare annotation is: true [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L861 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L861 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L858 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-12-17 07:36:06,921 INFO L861 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L861 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2021-12-17 07:36:06,922 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L861 garLoopResultBuilder]: At program point atan_doubleENTRY(lines 66 134) the Hoare annotation is: true [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L300(line 300) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2021-12-17 07:36:06,923 INFO L854 garLoopResultBuilder]: At program point L268(lines 261 269) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_35| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6|) (_ bv4 32)))) (and (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_35|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_35|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_35|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_35|)) |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_isfinite_double_#res#1| (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse0) (_ bv2148532224 32)) (_ bv31 32))))))) [2021-12-17 07:36:06,923 INFO L858 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L854 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L854 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2021-12-17 07:36:06,924 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L858 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L858 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L858 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L858 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L858 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2021-12-17 07:36:06,925 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_36| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse2 (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7|))) (let ((.cse0 (select .cse2 (_ bv0 32))) (.cse1 (select .cse2 (_ bv4 32)))) (and (= |ULTIMATE.start___ieee754_atan2_~lx~0#1| .cse0) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_36|)) (= .cse0 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_36|)) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse1)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_36|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_36|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))))) (exists ((|v_skolemized_q#valueAsBitvector_89| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_atan2_~hx~1#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_89|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_89|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_89|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_89|)) (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) (exists ((|v_skolemized_q#valueAsBitvector_60| (_ BitVec 64))) (let ((.cse3 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_60|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_60|)))) (and (fp.gt .cse3 (_ +zero 11 53)) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse3) (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_60|)) (_ bv2148532224 32)) (_ bv31 32)))))))) [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L861 garLoopResultBuilder]: At program point L305(lines 283 306) the Hoare annotation is: true [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L274-1(lines 274 278) no Hoare annotation was computed. [2021-12-17 07:36:06,926 INFO L854 garLoopResultBuilder]: At program point L274-2(lines 274 278) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short52#1| (= ~zero_atan2~0 (_ +zero 11 53)) (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= |ULTIMATE.start___signbit_double_~x#1| (_ +zero 11 53)) (= |ULTIMATE.start___ieee754_atan2_#res#1| (_ +zero 11 53))) [2021-12-17 07:36:06,926 INFO L858 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L274-3(lines 274 278) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L854 garLoopResultBuilder]: At program point L258(lines 247 259) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L854 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L854 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (= |ULTIMATE.start___ieee754_atan2_#res#1| (_ +zero 11 53)) |ULTIMATE.start___ieee754_atan2_#t~switch35#1|) [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L294-2(lines 294 303) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L294-4(lines 294 303) no Hoare annotation was computed. [2021-12-17 07:36:06,927 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-12-17 07:36:06,928 INFO L858 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2021-12-17 07:36:06,928 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2021-12-17 07:36:06,928 INFO L858 garLoopResultBuilder]: For program point L263-1(lines 263 267) no Hoare annotation was computed. [2021-12-17 07:36:06,928 INFO L854 garLoopResultBuilder]: At program point L263-2(lines 263 267) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (= |ULTIMATE.start_isfinite_double_~x#1| |ULTIMATE.start_main_~y~0#1|)) [2021-12-17 07:36:06,928 INFO L858 garLoopResultBuilder]: For program point L263-3(lines 263 267) no Hoare annotation was computed. [2021-12-17 07:36:06,928 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:36:06,928 INFO L854 garLoopResultBuilder]: At program point L280(lines 271 281) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short52#1| (= ~zero_atan2~0 (_ +zero 11 53)) (= |ULTIMATE.start___signbit_double_#res#1| (_ bv0 32))) [2021-12-17 07:36:06,928 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 300) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L854 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_atan2_~x#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_35| (_ BitVec 64)) (|v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6| (_ BitVec 32))) (let ((.cse1 (select (select |#memory_int| |v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6|) (_ bv4 32))) (.cse0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_35|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_35|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_35|)))) (and (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= .cse1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_35|)) (not (= (_ bv0 32) (bvlshr (bvadd (bvand (_ bv2147483647 32) .cse1) (_ bv2148532224 32)) (_ bv31 32)))) (fp.gt .cse0 (_ +zero 11 53)))))) [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L249-1(lines 249 254) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L854 garLoopResultBuilder]: At program point L249-2(lines 249 254) the Hoare annotation is: (and (= ~zero_atan2~0 (_ +zero 11 53)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start_main_~x~0#1| (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0) (_ +zero 11 53))))) [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2021-12-17 07:36:06,929 INFO L858 garLoopResultBuilder]: For program point L249-3(lines 249 254) no Hoare annotation was computed. [2021-12-17 07:36:06,930 INFO L858 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2021-12-17 07:36:06,930 INFO L858 garLoopResultBuilder]: For program point L299(line 299) no Hoare annotation was computed. [2021-12-17 07:36:06,930 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 299 302) no Hoare annotation was computed. [2021-12-17 07:36:06,930 INFO L854 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2021-12-17 07:36:06,930 INFO L858 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2021-12-17 07:36:06,933 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:36:06,934 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:36:06,941 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,942 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,943 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,950 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,951 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,952 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,954 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,955 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,956 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,957 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,958 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:06,959 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:06,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,960 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:06,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,961 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,962 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:06,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,964 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,965 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,966 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,966 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,966 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,966 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:06,966 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:06,967 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,967 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,968 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,968 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,969 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,970 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:06,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:36:06 BoogieIcfgContainer [2021-12-17 07:36:06,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:36:06,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:36:06,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:36:06,972 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:36:06,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:33:44" (3/4) ... [2021-12-17 07:36:06,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:36:06,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-12-17 07:36:06,981 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2021-12-17 07:36:06,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-12-17 07:36:06,991 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-12-17 07:36:06,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-17 07:36:06,992 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:36:07,012 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-12-17 07:36:07,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2021-12-17 07:36:07,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && x == y [2021-12-17 07:36:07,013 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_35 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_35[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]) == y) && \result == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32]), 2148532224bv32), 31bv32)) [2021-12-17 07:36:07,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_35 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6 : bv32 :: ((y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_35[63:32]) && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32]), 2148532224bv32), 31bv32))) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]), ~Pluszero~LONGDOUBLE())) [2021-12-17 07:36:07,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_q#valueAsBitvector_36 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: (((lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][0bv32] && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][4bv32] == v_skolemized_q#valueAsBitvector_36[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][0bv32] == v_skolemized_q#valueAsBitvector_36[31:0]) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_89 : bv64, currentRoundingMode : FloatRoundingMode :: hx == v_skolemized_q#valueAsBitvector_89[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_89[63:63], v_skolemized_q#valueAsBitvector_89[62:52], v_skolemized_q#valueAsBitvector_89[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_60 : bv64 :: (~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_60[63:63], v_skolemized_q#valueAsBitvector_60[62:52], v_skolemized_q#valueAsBitvector_60[51:0]), ~Pluszero~LONGDOUBLE()) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_60[63:63], v_skolemized_q#valueAsBitvector_60[62:52], v_skolemized_q#valueAsBitvector_60[51:0])) && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_60[63:32]), 2148532224bv32), 31bv32))) [2021-12-17 07:36:07,014 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (zero_atan2 == ~Pluszero~LONGDOUBLE() && \result == ~Pluszero~LONGDOUBLE()) && aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux [2021-12-17 07:36:07,016 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((aux-res == 0.0 && __signbit_double(res) == 0-aux && zero_atan2 == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() [2021-12-17 07:36:07,020 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == 0.0 && __signbit_double(res) == 0-aux && zero_atan2 == ~Pluszero~LONGDOUBLE()) && \result == 0bv32 [2021-12-17 07:36:07,082 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:36:07,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:36:07,083 INFO L158 Benchmark]: Toolchain (without parser) took 168781.75ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.7MB in the beginning and 23.9MB in the end (delta: 4.8MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,083 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:36:07,083 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.81ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.5MB in the beginning and 37.9MB in the end (delta: -9.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,084 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.42ms. Allocated memory is still 67.1MB. Free memory was 37.9MB in the beginning and 35.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,085 INFO L158 Benchmark]: Boogie Preprocessor took 87.89ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 49.0MB in the end (delta: -13.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,085 INFO L158 Benchmark]: RCFGBuilder took 25171.13ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 36.3MB in the end (delta: 12.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,085 INFO L158 Benchmark]: TraceAbstraction took 142904.73ms. Allocated memory is still 67.1MB. Free memory was 35.7MB in the beginning and 33.2MB in the end (delta: 2.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,086 INFO L158 Benchmark]: Witness Printer took 110.65ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 23.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:36:07,094 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 52.4MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 34.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.81ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.5MB in the beginning and 37.9MB in the end (delta: -9.4MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.42ms. Allocated memory is still 67.1MB. Free memory was 37.9MB in the beginning and 35.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.89ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 49.0MB in the end (delta: -13.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 25171.13ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 36.3MB in the end (delta: 12.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 142904.73ms. Allocated memory is still 67.1MB. Free memory was 35.7MB in the beginning and 33.2MB in the end (delta: 2.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Witness Printer took 110.65ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 23.9MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 300]: 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 3 procedures, 108 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 142.8s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 22.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 19.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 13.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 258 mSDsluCounter, 5393 SdHoareTripleChecker+Invalid, 13.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 225 IncrementalHoareTripleChecker+Unchecked, 4172 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65 IncrementalHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1221 mSDtfsCounter, 65 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 60.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 54 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 76 PreInvPairs, 86 NumberOfFragments, 286 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 832 FormulaSimplificationTreeSizeReductionInter, 19.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 94.9s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 290 ConstructedInterpolants, 121 QuantifiedInterpolants, 3057 SizeOfPredicates, 83 NumberOfNonLiveVariables, 2014 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 149]: Loop Invariant [2021-12-17 07:36:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,121 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,122 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,123 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,124 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] Derived loop invariant: (zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_35 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6 : bv32 :: ((y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_35[63:32]) && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32]), 2148532224bv32), 31bv32))) && ~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant [2021-12-17 07:36:07,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,125 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,126 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,127 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,130 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,131 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,132 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,132 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,132 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,132 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,132 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_36,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,133 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_89,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,134 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] [2021-12-17 07:36:07,135 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_60,QUANTIFIED] Derived loop invariant: ((zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists v_skolemized_q#valueAsBitvector_36 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7 : bv32, currentRoundingMode : FloatRoundingMode :: (((lx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][0bv32] && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][4bv32] == v_skolemized_q#valueAsBitvector_36[63:32]) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][0bv32] == v_skolemized_q#valueAsBitvector_36[31:0]) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_7][4bv32])) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_36[63:63], v_skolemized_q#valueAsBitvector_36[62:52], v_skolemized_q#valueAsBitvector_36[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_89 : bv64, currentRoundingMode : FloatRoundingMode :: hx == v_skolemized_q#valueAsBitvector_89[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_89[63:63], v_skolemized_q#valueAsBitvector_89[62:52], v_skolemized_q#valueAsBitvector_89[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_60 : bv64 :: (~fp.gt~DOUBLE(~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_60[63:63], v_skolemized_q#valueAsBitvector_60[62:52], v_skolemized_q#valueAsBitvector_60[51:0]), ~Pluszero~LONGDOUBLE()) && y == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_60[63:63], v_skolemized_q#valueAsBitvector_60[62:52], v_skolemized_q#valueAsBitvector_60[51:0])) && !(0bv32 == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_60[63:32]), 2148532224bv32), 31bv32))) - InvariantResult [Line: 261]: Loop Invariant [2021-12-17 07:36:07,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,136 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,137 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] [2021-12-17 07:36:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,138 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_35,QUANTIFIED] [2021-12-17 07:36:07,139 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6,QUANTIFIED] Derived loop invariant: (zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists v_skolemized_q#valueAsBitvector_35 : bv64, v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_35[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_35[63:63], v_skolemized_q#valueAsBitvector_35[62:52], v_skolemized_q#valueAsBitvector_35[51:0]) == y) && \result == ~bvlshr32(~bvadd64(~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start_isfinite_double_~#gh_u~3#1.base_6][4bv32]), 2148532224bv32), 31bv32)) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: (zero_atan2 == ~Pluszero~LONGDOUBLE() && \result == ~Pluszero~LONGDOUBLE()) && aux-switch (m) { case 0: return zero_atan2; case 1: return -zero_atan2; case 2: return pi + tiny_atan2; case 3: return -pi - tiny_atan2; }-aux - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant [2021-12-17 07:36:07,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,141 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,142 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: (((aux-res == 0.0 && __signbit_double(res) == 0-aux && zero_atan2 == ~Pluszero~LONGDOUBLE()) && res == ~Pluszero~LONGDOUBLE()) && x == ~Pluszero~LONGDOUBLE()) && \result == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (aux-res == 0.0 && __signbit_double(res) == 0-aux && zero_atan2 == ~Pluszero~LONGDOUBLE()) && \result == 0bv32 - InvariantResult [Line: 263]: Loop Invariant [2021-12-17 07:36:07,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,143 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,144 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && x == y - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 247]: Loop Invariant [2021-12-17 07:36:07,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,146 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-12-17 07:36:07,147 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: zero_atan2 == ~Pluszero~LONGDOUBLE() && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-12-17 07:36:07,367 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 [2021-12-17 07:36:07,423 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