./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_0680a.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 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 02:53:56,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 02:53:56,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 02:53:56,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 02:53:56,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 02:53:56,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 02:53:56,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 02:53:56,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 02:53:56,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 02:53:56,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 02:53:56,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 02:53:56,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 02:53:56,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 02:53:56,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 02:53:56,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 02:53:56,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 02:53:56,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 02:53:56,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 02:53:56,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 02:53:56,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 02:53:56,779 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 02:53:56,780 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 02:53:56,780 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 02:53:56,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 02:53:56,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 02:53:56,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 02:53:56,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 02:53:56,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 02:53:56,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 02:53:56,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 02:53:56,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 02:53:56,791 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 02:53:56,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 02:53:56,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 02:53:56,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 02:53:56,794 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 02:53:56,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 02:53:56,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 02:53:56,795 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 02:53:56,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 02:53:56,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 02:53:56,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 02:53:56,798 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-12 02:53:56,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 02:53:56,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 02:53:56,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 02:53:56,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 02:53:56,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 02:53:56,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 02:53:56,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 02:53:56,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 02:53:56,832 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 02:53:56,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 02:53:56,833 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 02:53:56,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 02:53:56,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 02:53:56,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 02:53:56,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 02:53:56,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 02:53:56,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 02:53:56,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 02:53:56,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:53:56,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 02:53:56,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 02:53:56,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 [2022-07-12 02:53:57,016 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 02:53:57,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 02:53:57,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 02:53:57,036 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 02:53:57,038 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 02:53:57,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2022-07-12 02:53:57,095 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c9efe20/96b392f605084310b1121398f10d2580/FLAG3a6cb9c03 [2022-07-12 02:53:57,443 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 02:53:57,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2022-07-12 02:53:57,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c9efe20/96b392f605084310b1121398f10d2580/FLAG3a6cb9c03 [2022-07-12 02:53:57,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66c9efe20/96b392f605084310b1121398f10d2580 [2022-07-12 02:53:57,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 02:53:57,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 02:53:57,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 02:53:57,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 02:53:57,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 02:53:57,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:53:57" (1/1) ... [2022-07-12 02:53:57,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2e53ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:57, skipping insertion in model container [2022-07-12 02:53:57,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:53:57" (1/1) ... [2022-07-12 02:53:57,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 02:53:57,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 02:53:58,040 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_0680a.c[6165,6178] [2022-07-12 02:53:58,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:53:58,048 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 02:53:58,079 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_0680a.c[6165,6178] [2022-07-12 02:53:58,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:53:58,095 INFO L208 MainTranslator]: Completed translation [2022-07-12 02:53:58,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58 WrapperNode [2022-07-12 02:53:58,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 02:53:58,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 02:53:58,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 02:53:58,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 02:53:58,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,156 INFO L137 Inliner]: procedures = 19, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 261 [2022-07-12 02:53:58,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 02:53:58,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 02:53:58,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 02:53:58,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 02:53:58,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 02:53:58,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 02:53:58,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 02:53:58,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 02:53:58,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (1/1) ... [2022-07-12 02:53:58,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:53:58,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 02:53:58,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 02:53:58,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 02:53:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 02:53:58,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 02:53:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 02:53:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-07-12 02:53:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 02:53:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-07-12 02:53:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-07-12 02:53:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-07-12 02:53:58,279 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-07-12 02:53:58,279 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-07-12 02:53:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 02:53:58,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 02:53:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 02:53:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-07-12 02:53:58,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 02:53:58,393 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 02:53:58,395 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 02:53:58,737 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 02:53:58,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 02:53:58,742 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-12 02:53:58,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:53:58 BoogieIcfgContainer [2022-07-12 02:53:58,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 02:53:58,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 02:53:58,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 02:53:58,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 02:53:58,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:53:57" (1/3) ... [2022-07-12 02:53:58,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dd0ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:53:58, skipping insertion in model container [2022-07-12 02:53:58,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:53:58" (2/3) ... [2022-07-12 02:53:58,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71dd0ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:53:58, skipping insertion in model container [2022-07-12 02:53:58,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:53:58" (3/3) ... [2022-07-12 02:53:58,758 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2022-07-12 02:53:58,768 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 02:53:58,768 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 02:53:58,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 02:53:58,807 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@60f4881, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1c51ee80 [2022-07-12 02:53:58,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 02:53:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 97 states have (on average 1.7422680412371134) internal successors, (169), 98 states have internal predecessors, (169), 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) [2022-07-12 02:53:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-12 02:53:58,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:53:58,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:53:58,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:53:58,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:53:58,820 INFO L85 PathProgramCache]: Analyzing trace with hash -8232233, now seen corresponding path program 1 times [2022-07-12 02:53:58,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 02:53:58,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129844672] [2022-07-12 02:53:58,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:53:58,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 02:53:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:53:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:53:58,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 02:53:58,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129844672] [2022-07-12 02:53:58,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129844672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:53:58,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:53:58,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 02:53:58,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848437815] [2022-07-12 02:53:58,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:53:58,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 02:53:58,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 02:53:58,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 02:53:58,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:53:58,972 INFO L87 Difference]: Start difference. First operand has 105 states, 97 states have (on average 1.7422680412371134) internal successors, (169), 98 states have internal predecessors, (169), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:53:58,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:53:58,997 INFO L93 Difference]: Finished difference Result 208 states and 356 transitions. [2022-07-12 02:53:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 02:53:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-12 02:53:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:53:59,004 INFO L225 Difference]: With dead ends: 208 [2022-07-12 02:53:59,004 INFO L226 Difference]: Without dead ends: 102 [2022-07-12 02:53:59,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:53:59,009 INFO L413 NwaCegarLoop]: 154 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, 154 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 02:53:59,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 02:53:59,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2022-07-12 02:53:59,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2022-07-12 02:53:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 95 states have (on average 1.5052631578947369) internal successors, (143), 95 states have internal predecessors, (143), 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) [2022-07-12 02:53:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 151 transitions. [2022-07-12 02:53:59,040 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 151 transitions. Word has length 10 [2022-07-12 02:53:59,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:53:59,041 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 151 transitions. [2022-07-12 02:53:59,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:53:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 151 transitions. [2022-07-12 02:53:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 02:53:59,042 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:53:59,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:53:59,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 02:53:59,042 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:53:59,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:53:59,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1919635121, now seen corresponding path program 1 times [2022-07-12 02:53:59,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 02:53:59,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120844070] [2022-07-12 02:53:59,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:53:59,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 02:53:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 02:53:59,213 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-12 02:53:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-12 02:53:59,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-12 02:53:59,333 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-12 02:53:59,335 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 02:53:59,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 02:53:59,342 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1] [2022-07-12 02:53:59,344 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 02:53:59,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 02:53:59 BoogieIcfgContainer [2022-07-12 02:53:59,388 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 02:53:59,390 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 02:53:59,390 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 02:53:59,390 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 02:53:59,390 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:53:58" (3/4) ... [2022-07-12 02:53:59,392 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-12 02:53:59,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 02:53:59,393 INFO L158 Benchmark]: Toolchain (without parser) took 1526.40ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 90.0MB in the beginning and 91.3MB in the end (delta: -1.3MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,393 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.1MB in the end (delta: 53.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:53:59,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.54ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 86.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.09ms. Allocated memory is still 117.4MB. Free memory was 86.4MB in the beginning and 82.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,398 INFO L158 Benchmark]: Boogie Preprocessor took 54.23ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,398 INFO L158 Benchmark]: RCFGBuilder took 531.45ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 79.6MB in the beginning and 139.5MB in the end (delta: -60.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,399 INFO L158 Benchmark]: TraceAbstraction took 644.03ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 92.1MB in the end (delta: 47.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,400 INFO L158 Benchmark]: Witness Printer took 2.73ms. Allocated memory is still 172.0MB. Free memory was 92.1MB in the beginning and 91.3MB in the end (delta: 814.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 02:53:59,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 73.1MB in the end (delta: 53.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.54ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 86.4MB in the end (delta: 3.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.09ms. Allocated memory is still 117.4MB. Free memory was 86.4MB in the beginning and 82.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.23ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 79.8MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 531.45ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 79.6MB in the beginning and 139.5MB in the end (delta: -60.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * TraceAbstraction took 644.03ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 92.1MB in the end (delta: 47.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 2.73ms. Allocated memory is still 172.0MB. Free memory was 92.1MB in the beginning and 91.3MB in the end (delta: 814.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 259]: 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 253, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 258. 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] [L253] double x = -0.0; [L254] double y = -0.0; [L256] 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)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 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)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, ix=0, lx=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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, 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)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, hy=0, ix=0, iy=0, lx=1, ly=10, 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, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, \old(y)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=0, hy=0, ix=0, iy=0, lx=1, ly=10, 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, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L256] RET, EXPR __ieee754_atan2(y, x) [L256] double res = __ieee754_atan2(y, x); [L258] COND TRUE res != -pi 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] [L259] 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=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, y=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 105 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 154 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 154 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-07-12 02:53:59,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0680a.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 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 02:54:01,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 02:54:01,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 02:54:01,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 02:54:01,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 02:54:01,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 02:54:01,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 02:54:01,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 02:54:01,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 02:54:01,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 02:54:01,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 02:54:01,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 02:54:01,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 02:54:01,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 02:54:01,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 02:54:01,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 02:54:01,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 02:54:01,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 02:54:01,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 02:54:01,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 02:54:01,128 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 02:54:01,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 02:54:01,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 02:54:01,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 02:54:01,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 02:54:01,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 02:54:01,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 02:54:01,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 02:54:01,139 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 02:54:01,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 02:54:01,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 02:54:01,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 02:54:01,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 02:54:01,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 02:54:01,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 02:54:01,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 02:54:01,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 02:54:01,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 02:54:01,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 02:54:01,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 02:54:01,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 02:54:01,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 02:54:01,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-07-12 02:54:01,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 02:54:01,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 02:54:01,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 02:54:01,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 02:54:01,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 02:54:01,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 02:54:01,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 02:54:01,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 02:54:01,169 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 02:54:01,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 02:54:01,170 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-12 02:54:01,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-12 02:54:01,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 02:54:01,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 02:54:01,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 02:54:01,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 02:54:01,171 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 02:54:01,171 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 02:54:01,171 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 02:54:01,171 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-12 02:54:01,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 02:54:01,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 02:54:01,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 02:54:01,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 02:54:01,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 02:54:01,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 02:54:01,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:54:01,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 02:54:01,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 02:54:01,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 02:54:01,173 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 02:54:01,174 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 02:54:01,174 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 02:54:01,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 02:54:01,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 02:54:01,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 02:54:01,174 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eed4446e0f432c6be204cca890b68b3d1d04721717deb663609d1d77477b2e5 [2022-07-12 02:54:01,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 02:54:01,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 02:54:01,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 02:54:01,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 02:54:01,431 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 02:54:01,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2022-07-12 02:54:01,479 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc2a116b/c3a8fb85a1e64aa69452e01e85ddfd1d/FLAGcfb41b744 [2022-07-12 02:54:01,817 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 02:54:01,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2022-07-12 02:54:01,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc2a116b/c3a8fb85a1e64aa69452e01e85ddfd1d/FLAGcfb41b744 [2022-07-12 02:54:01,838 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebc2a116b/c3a8fb85a1e64aa69452e01e85ddfd1d [2022-07-12 02:54:01,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 02:54:01,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 02:54:01,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 02:54:01,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 02:54:01,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 02:54:01,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:54:01" (1/1) ... [2022-07-12 02:54:01,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4982c6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:01, skipping insertion in model container [2022-07-12 02:54:01,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:54:01" (1/1) ... [2022-07-12 02:54:01,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 02:54:01,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 02:54:02,082 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_0680a.c[6165,6178] [2022-07-12 02:54:02,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:54:02,094 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 02:54:02,143 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_0680a.c[6165,6178] [2022-07-12 02:54:02,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 02:54:02,157 INFO L208 MainTranslator]: Completed translation [2022-07-12 02:54:02,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02 WrapperNode [2022-07-12 02:54:02,163 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 02:54:02,164 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 02:54:02,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 02:54:02,165 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 02:54:02,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,218 INFO L137 Inliner]: procedures = 22, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 226 [2022-07-12 02:54:02,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 02:54:02,220 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 02:54:02,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 02:54:02,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 02:54:02,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,273 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 02:54:02,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 02:54:02,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 02:54:02,287 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 02:54:02,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (1/1) ... [2022-07-12 02:54:02,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 02:54:02,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 02:54:02,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 02:54:02,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 02:54:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 02:54:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-07-12 02:54:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-07-12 02:54:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 02:54:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 02:54:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2022-07-12 02:54:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2022-07-12 02:54:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-07-12 02:54:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2022-07-12 02:54:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2022-07-12 02:54:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 02:54:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 02:54:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 02:54:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 02:54:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 02:54:02,434 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 02:54:02,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 02:54:22,533 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 02:54:22,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 02:54:22,538 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2022-07-12 02:54:22,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:54:22 BoogieIcfgContainer [2022-07-12 02:54:22,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 02:54:22,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 02:54:22,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 02:54:22,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 02:54:22,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:54:01" (1/3) ... [2022-07-12 02:54:22,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b20f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:54:22, skipping insertion in model container [2022-07-12 02:54:22,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:54:02" (2/3) ... [2022-07-12 02:54:22,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32b20f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:54:22, skipping insertion in model container [2022-07-12 02:54:22,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:54:22" (3/3) ... [2022-07-12 02:54:22,545 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2022-07-12 02:54:22,554 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 02:54:22,554 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 02:54:22,599 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 02:54:22,604 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@39c709a9, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@41afaed5 [2022-07-12 02:54:22,604 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 02:54:22,608 INFO L276 IsEmpty]: Start isEmpty. Operand has 92 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 85 states have internal predecessors, (140), 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) [2022-07-12 02:54:22,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-07-12 02:54:22,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:54:22,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:54:22,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:54:22,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:54:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1713470270, now seen corresponding path program 1 times [2022-07-12 02:54:22,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:54:22,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328865046] [2022-07-12 02:54:22,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:54:22,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:54:22,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:54:22,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 02:54:22,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 02:54:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:54:22,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-12 02:54:22,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:54:22,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:54:22,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:54:22,949 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:54:22,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328865046] [2022-07-12 02:54:22,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328865046] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:54:22,950 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:54:22,950 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-12 02:54:22,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917514179] [2022-07-12 02:54:22,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:54:22,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-12 02:54:22,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:54:22,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-12 02:54:22,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:54:22,973 INFO L87 Difference]: Start difference. First operand has 92 states, 84 states have (on average 1.6666666666666667) internal successors, (140), 85 states have internal predecessors, (140), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:23,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:54:23,000 INFO L93 Difference]: Finished difference Result 182 states and 298 transitions. [2022-07-12 02:54:23,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-12 02:54:23,002 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-07-12 02:54:23,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:54:23,007 INFO L225 Difference]: With dead ends: 182 [2022-07-12 02:54:23,007 INFO L226 Difference]: Without dead ends: 89 [2022-07-12 02:54:23,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-12 02:54:23,011 INFO L413 NwaCegarLoop]: 131 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, 131 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 02:54:23,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-12 02:54:23,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-12 02:54:23,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-12 02:54:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4634146341463414) internal successors, (120), 82 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) [2022-07-12 02:54:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 128 transitions. [2022-07-12 02:54:23,043 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 128 transitions. Word has length 10 [2022-07-12 02:54:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:54:23,043 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 128 transitions. [2022-07-12 02:54:23,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 128 transitions. [2022-07-12 02:54:23,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-07-12 02:54:23,045 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:54:23,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:54:23,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 02:54:23,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:54:23,246 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:54:23,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:54:23,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1701355047, now seen corresponding path program 1 times [2022-07-12 02:54:23,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:54:23,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [970559432] [2022-07-12 02:54:23,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:54:23,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:54:23,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:54:23,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 02:54:23,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 02:54:23,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:54:23,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-12 02:54:23,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:54:24,182 INFO L390 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 [2022-07-12 02:54:25,630 INFO L390 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 18 treesize of output 10 [2022-07-12 02:54:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:54:27,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:54:27,551 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:54:27,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [970559432] [2022-07-12 02:54:27,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [970559432] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:54:27,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:54:27,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 02:54:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422053169] [2022-07-12 02:54:27,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:54:27,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 02:54:27,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:54:27,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 02:54:27,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 02:54:27,559 INFO L87 Difference]: Start difference. First operand 89 states and 128 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:30,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.54s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:54:30,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:54:30,671 INFO L93 Difference]: Finished difference Result 93 states and 131 transitions. [2022-07-12 02:54:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 02:54:30,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-07-12 02:54:30,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:54:30,875 INFO L225 Difference]: With dead ends: 93 [2022-07-12 02:54:30,875 INFO L226 Difference]: Without dead ends: 89 [2022-07-12 02:54:30,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 02:54:30,876 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 2 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 68 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-07-12 02:54:30,877 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 664 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 68 Unchecked, 2.7s Time] [2022-07-12 02:54:30,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-12 02:54:30,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-12 02:54:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.451219512195122) internal successors, (119), 82 states have internal predecessors, (119), 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) [2022-07-12 02:54:30,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 127 transitions. [2022-07-12 02:54:30,884 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 127 transitions. Word has length 12 [2022-07-12 02:54:30,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:54:30,884 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 127 transitions. [2022-07-12 02:54:30,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 127 transitions. [2022-07-12 02:54:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 02:54:30,885 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:54:30,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:54:30,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 02:54:31,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:54:31,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:54:31,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:54:31,100 INFO L85 PathProgramCache]: Analyzing trace with hash 1174160583, now seen corresponding path program 1 times [2022-07-12 02:54:31,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:54:31,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [645778699] [2022-07-12 02:54:31,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:54:31,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:54:31,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:54:31,103 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) [2022-07-12 02:54:31,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 02:54:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:54:31,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-12 02:54:31,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:54:33,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:54:33,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:54:33,335 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:54:33,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [645778699] [2022-07-12 02:54:33,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [645778699] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:54:33,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:54:33,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 02:54:33,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587090488] [2022-07-12 02:54:33,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:54:33,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 02:54:33,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:54:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 02:54:33,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 02:54:33,341 INFO L87 Difference]: Start difference. First operand 89 states and 127 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:36,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:54:36,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:54:36,246 INFO L93 Difference]: Finished difference Result 163 states and 231 transitions. [2022-07-12 02:54:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 02:54:36,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2022-07-12 02:54:36,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:54:36,476 INFO L225 Difference]: With dead ends: 163 [2022-07-12 02:54:36,476 INFO L226 Difference]: Without dead ends: 93 [2022-07-12 02:54:36,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 02:54:36,477 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 7 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 02:54:36,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 472 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 17 Unchecked, 2.6s Time] [2022-07-12 02:54:36,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2022-07-12 02:54:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2022-07-12 02:54:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 82 states have internal predecessors, (118), 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) [2022-07-12 02:54:36,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2022-07-12 02:54:36,483 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 17 [2022-07-12 02:54:36,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:54:36,483 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2022-07-12 02:54:36,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2022-07-12 02:54:36,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 02:54:36,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:54:36,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:54:36,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 02:54:36,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:54:36,694 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:54:36,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:54:36,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1166643321, now seen corresponding path program 1 times [2022-07-12 02:54:36,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:54:36,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308428075] [2022-07-12 02:54:36,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:54:36,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:54:36,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:54:36,697 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) [2022-07-12 02:54:36,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 02:54:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:54:36,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2022-07-12 02:54:36,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:54:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:54:40,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:54:40,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:54:40,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308428075] [2022-07-12 02:54:40,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308428075] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:54:40,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:54:40,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 02:54:40,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973877940] [2022-07-12 02:54:40,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:54:40,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 02:54:40,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:54:40,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 02:54:40,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 02:54:40,619 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:44,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:54:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:54:44,179 INFO L93 Difference]: Finished difference Result 95 states and 132 transitions. [2022-07-12 02:54:44,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 02:54:44,402 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 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 17 [2022-07-12 02:54:44,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:54:44,403 INFO L225 Difference]: With dead ends: 95 [2022-07-12 02:54:44,403 INFO L226 Difference]: Without dead ends: 91 [2022-07-12 02:54:44,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-12 02:54:44,404 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 2 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-07-12 02:54:44,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 554 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 1 Unknown, 26 Unchecked, 3.2s Time] [2022-07-12 02:54:44,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-12 02:54:44,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-12 02:54:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 84 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) [2022-07-12 02:54:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions. [2022-07-12 02:54:44,411 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 17 [2022-07-12 02:54:44,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:54:44,411 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions. [2022-07-12 02:54:44,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 7 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:44,411 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions. [2022-07-12 02:54:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-07-12 02:54:44,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:54:44,412 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:54:44,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-12 02:54:44,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:54:44,613 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:54:44,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:54:44,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1223901623, now seen corresponding path program 1 times [2022-07-12 02:54:44,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:54:44,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1273572644] [2022-07-12 02:54:44,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:54:44,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:54:44,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:54:44,616 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) [2022-07-12 02:54:44,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 02:54:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:54:44,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 02:54:44,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:54:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:54:47,122 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:54:47,122 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:54:47,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1273572644] [2022-07-12 02:54:47,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1273572644] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:54:47,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:54:47,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 02:54:47,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680355564] [2022-07-12 02:54:47,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:54:47,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 02:54:47,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:54:47,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 02:54:47,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 02:54:47,124 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:50,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:54:50,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:54:50,866 INFO L93 Difference]: Finished difference Result 164 states and 234 transitions. [2022-07-12 02:54:51,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 02:54:51,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2022-07-12 02:54:51,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:54:51,100 INFO L225 Difference]: With dead ends: 164 [2022-07-12 02:54:51,100 INFO L226 Difference]: Without dead ends: 89 [2022-07-12 02:54:51,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 02:54:51,101 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 3 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 553 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 26 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 02:54:51,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 553 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 1 Unknown, 26 Unchecked, 3.4s Time] [2022-07-12 02:54:51,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-12 02:54:51,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-12 02:54:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 82 states have internal predecessors, (116), 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) [2022-07-12 02:54:51,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 124 transitions. [2022-07-12 02:54:51,108 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 124 transitions. Word has length 17 [2022-07-12 02:54:51,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:54:51,108 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 124 transitions. [2022-07-12 02:54:51,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:54:51,108 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 124 transitions. [2022-07-12 02:54:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-07-12 02:54:51,109 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:54:51,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:54:51,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 02:54:51,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:54:51,325 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:54:51,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:54:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1808977731, now seen corresponding path program 1 times [2022-07-12 02:54:51,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:54:51,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [703233467] [2022-07-12 02:54:51,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:54:51,327 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:54:51,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:54:51,328 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) [2022-07-12 02:54:51,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 02:54:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:54:51,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-12 02:54:51,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:54:52,191 INFO L390 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 [2022-07-12 02:54:53,483 INFO L390 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 [2022-07-12 02:54:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:54:58,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:54:58,391 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:54:58,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [703233467] [2022-07-12 02:54:58,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [703233467] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:54:58,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:54:58,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 02:54:58,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198193288] [2022-07-12 02:54:58,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:54:58,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 02:54:58,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:54:58,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 02:54:58,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 02:54:58,392 INFO L87 Difference]: Start difference. First operand 89 states and 124 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:55:01,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:01,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:55:01,693 INFO L93 Difference]: Finished difference Result 93 states and 127 transitions. [2022-07-12 02:55:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 02:55:01,937 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 18 [2022-07-12 02:55:01,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:55:01,938 INFO L225 Difference]: With dead ends: 93 [2022-07-12 02:55:01,938 INFO L226 Difference]: Without dead ends: 89 [2022-07-12 02:55:01,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 02:55:01,938 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 2 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 49 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 02:55:01,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 615 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 1 Unknown, 49 Unchecked, 2.9s Time] [2022-07-12 02:55:01,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2022-07-12 02:55:01,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-12 02:55:01,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.4024390243902438) internal successors, (115), 82 states have internal predecessors, (115), 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) [2022-07-12 02:55:01,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 123 transitions. [2022-07-12 02:55:01,945 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 123 transitions. Word has length 18 [2022-07-12 02:55:01,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:55:01,946 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 123 transitions. [2022-07-12 02:55:01,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 02:55:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2022-07-12 02:55:01,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 02:55:01,947 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:55:01,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:55:01,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 02:55:02,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:55:02,151 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:55:02,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:55:02,152 INFO L85 PathProgramCache]: Analyzing trace with hash -246359006, now seen corresponding path program 1 times [2022-07-12 02:55:02,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:55:02,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1096369475] [2022-07-12 02:55:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:55:02,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:55:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:55:02,166 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) [2022-07-12 02:55:02,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 02:55:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:55:02,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 02:55:02,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:55:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:55:07,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:55:07,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:55:07,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1096369475] [2022-07-12 02:55:07,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1096369475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:55:07,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:55:07,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 02:55:07,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375755570] [2022-07-12 02:55:07,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:55:07,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 02:55:07,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:55:07,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 02:55:07,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 02:55:07,811 INFO L87 Difference]: Start difference. First operand 89 states and 123 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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) [2022-07-12 02:55:09,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:18,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:21,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:23,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:25,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:31,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:33,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:35,344 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:36,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:40,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:43,150 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:44,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:48,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:51,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:53,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-12 02:55:53,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:55:53,537 INFO L93 Difference]: Finished difference Result 96 states and 130 transitions. [2022-07-12 02:55:53,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 02:55:53,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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 [2022-07-12 02:55:53,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:55:53,542 INFO L225 Difference]: With dead ends: 96 [2022-07-12 02:55:53,542 INFO L226 Difference]: Without dead ends: 92 [2022-07-12 02:55:53,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 02:55:53,543 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 101 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2022-07-12 02:55:53,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 268 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 10 Unknown, 0 Unchecked, 42.9s Time] [2022-07-12 02:55:53,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-12 02:55:53,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2022-07-12 02:55:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 82 states have internal predecessors, (113), 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) [2022-07-12 02:55:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2022-07-12 02:55:53,551 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 19 [2022-07-12 02:55:53,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:55:53,551 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2022-07-12 02:55:53,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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) [2022-07-12 02:55:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2022-07-12 02:55:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-12 02:55:53,552 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:55:53,552 INFO L195 NwaCegarLoop]: 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] [2022-07-12 02:55:53,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 02:55:53,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:55:53,754 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:55:53,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:55:53,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1872049354, now seen corresponding path program 1 times [2022-07-12 02:55:53,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:55:53,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876421487] [2022-07-12 02:55:53,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:55:53,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:55:53,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:55:53,756 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) [2022-07-12 02:55:53,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 02:55:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:55:54,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-12 02:55:54,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:55:54,679 INFO L390 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 [2022-07-12 02:55:55,934 INFO L390 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 [2022-07-12 02:55:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:55:59,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:55:59,642 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:55:59,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876421487] [2022-07-12 02:55:59,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1876421487] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:55:59,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:55:59,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 02:55:59,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407668189] [2022-07-12 02:55:59,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:55:59,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 02:55:59,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:55:59,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 02:55:59,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 02:55:59,643 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-07-12 02:56:00,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:56:00,399 INFO L93 Difference]: Finished difference Result 125 states and 166 transitions. [2022-07-12 02:56:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 02:56:00,400 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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 [2022-07-12 02:56:00,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:56:00,400 INFO L225 Difference]: With dead ends: 125 [2022-07-12 02:56:00,400 INFO L226 Difference]: Without dead ends: 48 [2022-07-12 02:56:00,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-12 02:56:00,401 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 2 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 02:56:00,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 302 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 25 Unchecked, 0.3s Time] [2022-07-12 02:56:00,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-07-12 02:56:00,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-07-12 02:56:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 43 states have (on average 1.255813953488372) internal successors, (54), 43 states have internal predecessors, (54), 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) [2022-07-12 02:56:00,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2022-07-12 02:56:00,404 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 23 [2022-07-12 02:56:00,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:56:00,404 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2022-07-12 02:56:00,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-07-12 02:56:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-07-12 02:56:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-12 02:56:00,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 02:56:00,405 INFO L195 NwaCegarLoop]: 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] [2022-07-12 02:56:00,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-12 02:56:00,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:56:00,617 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 02:56:00,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 02:56:00,618 INFO L85 PathProgramCache]: Analyzing trace with hash 152585799, now seen corresponding path program 1 times [2022-07-12 02:56:00,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 02:56:00,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477118498] [2022-07-12 02:56:00,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 02:56:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 02:56:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 02:56:00,620 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) [2022-07-12 02:56:00,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 02:56:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 02:56:00,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 02:56:00,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 02:56:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 02:56:02,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 02:56:02,289 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 02:56:02,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477118498] [2022-07-12 02:56:02,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477118498] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 02:56:02,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 02:56:02,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 02:56:02,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794264164] [2022-07-12 02:56:02,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 02:56:02,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 02:56:02,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 02:56:02,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 02:56:02,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-12 02:56:02,291 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-07-12 02:56:02,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 02:56:02,606 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2022-07-12 02:56:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 02:56:02,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 25 [2022-07-12 02:56:02,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 02:56:02,606 INFO L225 Difference]: With dead ends: 48 [2022-07-12 02:56:02,606 INFO L226 Difference]: Without dead ends: 0 [2022-07-12 02:56:02,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-12 02:56:02,607 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-12 02:56:02,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 2 Unchecked, 0.0s Time] [2022-07-12 02:56:02,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-12 02:56:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-12 02:56:02,608 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) [2022-07-12 02:56:02,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-12 02:56:02,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2022-07-12 02:56:02,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 02:56:02,608 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-12 02:56:02,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-07-12 02:56:02,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-12 02:56:02,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-12 02:56:02,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-12 02:56:02,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-12 02:56:02,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 02:56:02,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-12 02:56:05,623 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 31) no Hoare annotation was computed. [2022-07-12 02:56:05,623 INFO L899 garLoopResultBuilder]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2022-07-12 02:56:05,623 INFO L899 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 19 33) no Hoare annotation was computed. [2022-07-12 02:56:05,623 INFO L899 garLoopResultBuilder]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L902 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 19 33) the Hoare annotation is: true [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 19 33) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L902 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: true [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point L97-1(line 97) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 88) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point L98(lines 98 114) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point L90(lines 90 115) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2022-07-12 02:56:05,624 INFO L902 garLoopResultBuilder]: At program point L78-2(lines 78 82) the Hoare annotation is: true [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L107(lines 107 113) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L902 garLoopResultBuilder]: At program point L70-2(lines 70 74) the Hoare annotation is: true [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L132(line 132) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 105) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L132-2(line 132) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L128(lines 128 133) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L91(lines 91 94) no Hoare annotation was computed. [2022-07-12 02:56:05,625 INFO L899 garLoopResultBuilder]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point atan_doubleEXIT(lines 66 134) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L92(lines 92 93) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L902 garLoopResultBuilder]: At program point atan_doubleENTRY(lines 66 134) the Hoare annotation is: true [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 89) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point atan_doubleFINAL(lines 66 134) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L192(line 192) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 220) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L217-2(lines 215 220) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 230) no Hoare annotation was computed. [2022-07-12 02:56:05,626 INFO L895 garLoopResultBuilder]: At program point L226-2(lines 226 230) the Hoare annotation is: false [2022-07-12 02:56:05,626 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-12 02:56:05,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-12 02:56:05,627 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 209) no Hoare annotation was computed. [2022-07-12 02:56:05,627 INFO L899 garLoopResultBuilder]: For program point L185-1(lines 144 244) no Hoare annotation was computed. [2022-07-12 02:56:05,627 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-07-12 02:56:05,627 INFO L895 garLoopResultBuilder]: At program point L144(lines 144 244) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= |ULTIMATE.start___ieee754_atan2_#res#1| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 208) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 180) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L170-2(lines 144 244) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L895 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: false [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 196) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L895 garLoopResultBuilder]: At program point L220-1(line 220) the Hoare annotation is: false [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L212-2(line 212) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 179) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L902 garLoopResultBuilder]: At program point L262(lines 246 263) the Hoare annotation is: true [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 165) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 243) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-07-12 02:56:05,628 INFO L899 garLoopResultBuilder]: For program point L205(line 205) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L172(line 172) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L172-2(line 172) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L222(line 222) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 156 161) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L895 garLoopResultBuilder]: At program point L156-2(lines 156 161) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| (fp.neg (_ +zero 11 53))) (exists ((|v_skolemized_q#valueAsBitvector_55| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_55|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_55|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_55|)) (fp.neg (_ +zero 11 53))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_55|) |ULTIMATE.start___ieee754_atan2_~hx~1#1|))) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_23| (_ BitVec 64)) (|v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6|) (_ bv4 32)))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_23|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_23|)) (fp.neg (_ +zero 11 53))) (= .cse0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_23|)) (= |ULTIMATE.start___ieee754_atan2_~ix~1#1| (bvand (_ bv2147483647 32) .cse0)))))) [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L156-3(lines 156 161) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 259) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 236) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 207) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L231-1(lines 224 237) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 236) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-12 02:56:05,629 INFO L899 garLoopResultBuilder]: For program point L190(line 190) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L215(lines 215 220) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 154) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L895 garLoopResultBuilder]: At program point L149-2(lines 149 154) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) ~tiny_atan2~0) (= |ULTIMATE.start___ieee754_atan2_~y#1| .cse0) (= |ULTIMATE.start___ieee754_atan2_~x#1| .cse0) (= ((_ to_fp 11 53) currentRoundingMode (/ 785398163397448279.0 250000000000000000.0)) ~pi~0) (= currentRoundingMode roundNearestTiesToEven))) [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L149-3(lines 149 154) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L199(line 199) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L166(lines 166 167) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L224(line 224) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L183(line 183) no Hoare annotation was computed. [2022-07-12 02:56:05,630 INFO L899 garLoopResultBuilder]: For program point L183-2(line 183) no Hoare annotation was computed. [2022-07-12 02:56:05,631 INFO L899 garLoopResultBuilder]: For program point L241(line 241) no Hoare annotation was computed. [2022-07-12 02:56:05,631 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-07-12 02:56:05,631 INFO L895 garLoopResultBuilder]: At program point L167(line 167) the Hoare annotation is: false [2022-07-12 02:56:05,631 INFO L899 garLoopResultBuilder]: For program point L167-1(line 167) no Hoare annotation was computed. [2022-07-12 02:56:05,631 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 261) no Hoare annotation was computed. [2022-07-12 02:56:05,633 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 02:56:05,635 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-12 02:56:05,640 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,645 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,649 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,650 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,651 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,652 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,653 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,654 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,655 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.07 02:56:05 BoogieIcfgContainer [2022-07-12 02:56:05,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-12 02:56:05,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-12 02:56:05,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-12 02:56:05,657 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-12 02:56:05,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:54:22" (3/4) ... [2022-07-12 02:56:05,659 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-12 02:56:05,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2022-07-12 02:56:05,663 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_double [2022-07-12 02:56:05,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-07-12 02:56:05,668 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-07-12 02:56:05,669 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-07-12 02:56:05,670 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-12 02:56:05,684 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_55 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_55[63:63], v_skolemized_q#valueAsBitvector_55[62:52], v_skolemized_q#valueAsBitvector_55[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_55[63:32] == hx)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6 : bv32 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32]) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32])) [2022-07-12 02:56:05,685 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-07-12 02:56:05,710 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-12 02:56:05,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-12 02:56:05,711 INFO L158 Benchmark]: Toolchain (without parser) took 123870.04ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 43.9MB in the beginning and 58.1MB in the end (delta: -14.2MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,711 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 02:56:05,711 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.42ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 41.3MB in the end (delta: 2.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.67ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 38.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,713 INFO L158 Benchmark]: Boogie Preprocessor took 57.69ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 36.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,713 INFO L158 Benchmark]: RCFGBuilder took 20261.34ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 35.9MB in the beginning and 40.4MB in the end (delta: -4.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,714 INFO L158 Benchmark]: TraceAbstraction took 103115.43ms. Allocated memory is still 79.7MB. Free memory was 39.7MB in the beginning and 28.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,714 INFO L158 Benchmark]: Witness Printer took 53.04ms. Allocated memory is still 79.7MB. Free memory was 28.2MB in the beginning and 58.1MB in the end (delta: -29.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2022-07-12 02:56:05,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.42ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 41.3MB in the end (delta: 2.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.67ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 38.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.69ms. Allocated memory is still 62.9MB. Free memory was 38.7MB in the beginning and 36.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 20261.34ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 35.9MB in the beginning and 40.4MB in the end (delta: -4.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 103115.43ms. Allocated memory is still 79.7MB. Free memory was 39.7MB in the beginning and 28.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Witness Printer took 53.04ms. Allocated memory is still 79.7MB. Free memory was 28.2MB in the beginning and 58.1MB in the end (delta: -29.9MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 259]: 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, 92 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 103.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 64.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 58.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 3572 SdHoareTripleChecker+Invalid, 55.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 213 IncrementalHoareTripleChecker+Unchecked, 2690 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 127 IncrementalHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 882 mSDtfsCounter, 127 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=0, InterpolantAutomatonStates: 56, 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, 9 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 50 PreInvPairs, 54 NumberOfFragments, 119 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 86 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 31.1s InterpolantComputationTime, 158 NumberOfCodeBlocks, 158 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 149 ConstructedInterpolants, 59 QuantifiedInterpolants, 1916 SizeOfPredicates, 65 NumberOfNonLiveVariables, 1292 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 [2022-07-12 02:56:05,723 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,723 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant [2022-07-12 02:56:05,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,724 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_55,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] [2022-07-12 02:56:05,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_23,QUANTIFIED] [2022-07-12 02:56:05,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6,QUANTIFIED] Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && y == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_55 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_55[63:63], v_skolemized_q#valueAsBitvector_55[62:52], v_skolemized_q#valueAsBitvector_55[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && v_skolemized_q#valueAsBitvector_55[63:32] == hx)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_23 : bv64, v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6 : bv32 :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_23[63:63], v_skolemized_q#valueAsBitvector_23[62:52], v_skolemized_q#valueAsBitvector_23[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32] == v_skolemized_q#valueAsBitvector_23[63:32]) && ix == ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2_~#ew_u~0#1.base_6][4bv32])) - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 144]: Loop Invariant [2022-07-12 02:56:05,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-07-12 02:56:05,728 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000) == tiny_atan2 && \result == ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 785398163397448279/250000000000000000) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 246]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-12 02:56:05,947 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 [2022-07-12 02:56:06,032 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