./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 21:05:38,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 21:05:39,036 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-06 21:05:39,046 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 21:05:39,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 21:05:39,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 21:05:39,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 21:05:39,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 21:05:39,078 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 21:05:39,078 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 21:05:39,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 21:05:39,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 21:05:39,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 21:05:39,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 21:05:39,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 21:05:39,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 21:05:39,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 21:05:39,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 21:05:39,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-06 21:05:39,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 21:05:39,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 21:05:39,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 21:05:39,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 21:05:39,081 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 21:05:39,081 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 21:05:39,082 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 21:05:39,082 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d [2024-11-06 21:05:39,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 21:05:39,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 21:05:39,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 21:05:39,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 21:05:39,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 21:05:39,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2024-11-06 21:05:40,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 21:05:40,924 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 21:05:40,925 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2024-11-06 21:05:40,936 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cfa5d741f/e2f58c2027564cdca064a5861a817d2f/FLAG339dc0313 [2024-11-06 21:05:40,957 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cfa5d741f/e2f58c2027564cdca064a5861a817d2f [2024-11-06 21:05:40,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 21:05:40,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 21:05:40,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 21:05:40,964 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 21:05:40,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 21:05:40,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:40" (1/1) ... [2024-11-06 21:05:40,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a881ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:40, skipping insertion in model container [2024-11-06 21:05:40,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:40" (1/1) ... [2024-11-06 21:05:40,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 21:05:41,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2024-11-06 21:05:41,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 21:05:41,181 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 21:05:41,223 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2024-11-06 21:05:41,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 21:05:41,242 INFO L204 MainTranslator]: Completed translation [2024-11-06 21:05:41,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41 WrapperNode [2024-11-06 21:05:41,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 21:05:41,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 21:05:41,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 21:05:41,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 21:05:41,251 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,261 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,292 INFO L138 Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 231 [2024-11-06 21:05:41,293 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 21:05:41,293 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 21:05:41,293 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 21:05:41,293 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 21:05:41,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,306 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,321 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-06 21:05:41,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,357 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 21:05:41,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 21:05:41,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 21:05:41,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 21:05:41,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (1/1) ... [2024-11-06 21:05:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 21:05:41,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 21:05:41,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 21:05:41,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 21:05:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 21:05:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-06 21:05:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-06 21:05:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 21:05:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-06 21:05:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-06 21:05:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 21:05:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-06 21:05:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-06 21:05:41,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 21:05:41,568 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 21:05:41,570 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 21:05:42,087 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-06 21:05:42,088 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 21:05:42,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 21:05:42,102 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-06 21:05:42,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:42 BoogieIcfgContainer [2024-11-06 21:05:42,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 21:05:42,105 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 21:05:42,106 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 21:05:42,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 21:05:42,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:40" (1/3) ... [2024-11-06 21:05:42,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540c36ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:42, skipping insertion in model container [2024-11-06 21:05:42,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:41" (2/3) ... [2024-11-06 21:05:42,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540c36ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:42, skipping insertion in model container [2024-11-06 21:05:42,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:42" (3/3) ... [2024-11-06 21:05:42,114 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a.c [2024-11-06 21:05:42,128 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 21:05:42,129 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 21:05:42,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 21:05:42,225 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61a40447, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 21:05:42,225 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 21:05:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 83 states have (on average 1.6626506024096386) internal successors, (138), 84 states have internal predecessors, (138), 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) [2024-11-06 21:05:42,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-06 21:05:42,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 21:05:42,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 21:05:42,238 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 21:05:42,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 21:05:42,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1138118697, now seen corresponding path program 1 times [2024-11-06 21:05:42,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 21:05:42,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980544173] [2024-11-06 21:05:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 21:05:42,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 21:05:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 21:05:42,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 21:05:42,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-06 21:05:42,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980544173] [2024-11-06 21:05:42,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980544173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 21:05:42,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 21:05:42,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 21:05:42,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276939521] [2024-11-06 21:05:42,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 21:05:42,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 21:05:42,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-06 21:05:42,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 21:05:42,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 21:05:42,513 INFO L87 Difference]: Start difference. First operand has 91 states, 83 states have (on average 1.6626506024096386) internal successors, (138), 84 states have internal predecessors, (138), 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) [2024-11-06 21:05:42,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 21:05:42,542 INFO L93 Difference]: Finished difference Result 180 states and 294 transitions. [2024-11-06 21:05:42,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 21:05:42,544 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 [2024-11-06 21:05:42,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 21:05:42,551 INFO L225 Difference]: With dead ends: 180 [2024-11-06 21:05:42,552 INFO L226 Difference]: Without dead ends: 88 [2024-11-06 21:05:42,556 INFO L431 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 [2024-11-06 21:05:42,559 INFO L432 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 [2024-11-06 21:05:42,560 INFO L433 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] [2024-11-06 21:05:42,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-06 21:05:42,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-06 21:05:42,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 81 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) [2024-11-06 21:05:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions. [2024-11-06 21:05:42,595 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 10 [2024-11-06 21:05:42,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 21:05:42,596 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 128 transitions. [2024-11-06 21:05:42,596 INFO L472 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) [2024-11-06 21:05:42,596 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2024-11-06 21:05:42,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-06 21:05:42,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 21:05:42,596 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 21:05:42,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-06 21:05:42,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 21:05:42,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 21:05:42,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1466181550, now seen corresponding path program 1 times [2024-11-06 21:05:42,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-06 21:05:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376203940] [2024-11-06 21:05:42,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 21:05:42,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-06 21:05:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-06 21:05:42,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-06 21:05:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-06 21:05:42,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-06 21:05:42,802 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-06 21:05:42,803 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 21:05:42,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-06 21:05:42,809 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-06 21:05:42,839 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-06 21:05:42,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:05:42 BoogieIcfgContainer [2024-11-06 21:05:42,845 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-06 21:05:42,846 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-06 21:05:42,846 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-06 21:05:42,846 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-06 21:05:42,847 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:42" (3/4) ... [2024-11-06 21:05:42,848 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-06 21:05:42,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-06 21:05:42,851 INFO L158 Benchmark]: Toolchain (without parser) took 1887.92ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 47.8MB in the end (delta: 44.2MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-06 21:05:42,851 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 21:05:42,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.75ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 77.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-06 21:05:42,852 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.17ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 21:05:42,853 INFO L158 Benchmark]: Boogie Preprocessor took 80.27ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 73.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 21:05:42,853 INFO L158 Benchmark]: RCFGBuilder took 728.18ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 48.2MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-06 21:05:42,854 INFO L158 Benchmark]: TraceAbstraction took 740.10ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 47.8MB in the end (delta: -75.7kB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-11-06 21:05:42,854 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 117.4MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 21:05:42,856 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.75ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 77.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.17ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 80.27ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 73.1MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 728.18ms. Allocated memory is still 117.4MB. Free memory was 73.1MB in the beginning and 48.2MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 740.10ms. Allocated memory is still 117.4MB. Free memory was 47.7MB in the beginning and 47.8MB in the end (delta: -75.7kB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 117.4MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 230]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L223] float x = 1.0f / 0.0f; [L224] float y = 1.0f / 0.0f; [L226] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, ix=2139095042, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, ix=2139095042, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=-8388606, hy=-8388607, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000036, y=1000000000000000000000000000038, zero_atan2=0] [L226] RET, EXPR __ieee754_atan2f(y, x) [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 91 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, 131 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, 131 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=91occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s 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 [2024-11-06 21:05:42,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --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 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-06 21:05:45,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 21:05:45,171 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-06 21:05:45,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 21:05:45,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 21:05:45,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 21:05:45,208 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 21:05:45,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 21:05:45,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 21:05:45,208 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 21:05:45,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 21:05:45,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 21:05:45,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 21:05:45,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 21:05:45,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 21:05:45,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 21:05:45,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 21:05:45,210 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 21:05:45,211 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 21:05:45,211 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 21:05:45,211 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-06 21:05:45,211 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 21:05:45,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 21:05:45,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 21:05:45,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 21:05:45,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 21:05:45,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 21:05:45,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 21:05:45,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 21:05:45,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 21:05:45,213 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d [2024-11-06 21:05:45,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 21:05:45,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 21:05:45,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 21:05:45,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 21:05:45,528 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 21:05:45,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2024-11-06 21:05:46,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 21:05:47,105 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 21:05:47,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2024-11-06 21:05:47,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc4cb55dd/5c2638b4a0c9410491e6e88ccb4aa13b/FLAG9926cf7d5 [2024-11-06 21:05:47,132 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/fc4cb55dd/5c2638b4a0c9410491e6e88ccb4aa13b [2024-11-06 21:05:47,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 21:05:47,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-06 21:05:47,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 21:05:47,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 21:05:47,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 21:05:47,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a750e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47, skipping insertion in model container [2024-11-06 21:05:47,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,166 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 21:05:47,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2024-11-06 21:05:47,383 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 21:05:47,406 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 21:05:47,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2024-11-06 21:05:47,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 21:05:47,480 INFO L204 MainTranslator]: Completed translation [2024-11-06 21:05:47,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47 WrapperNode [2024-11-06 21:05:47,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 21:05:47,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 21:05:47,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 21:05:47,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 21:05:47,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,526 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2024-11-06 21:05:47,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 21:05:47,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 21:05:47,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 21:05:47,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 21:05:47,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,582 INFO L175 MemorySlicer]: Split 53 memory accesses to 11 slices as follows [2, 2, 2, 2, 2, 2, 2, 7, 7, 23, 2]. 43 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 4, 4, 0, 0]. The 19 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 0, 0, 12, 1]. [2024-11-06 21:05:47,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 21:05:47,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 21:05:47,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 21:05:47,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 21:05:47,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (1/1) ... [2024-11-06 21:05:47,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 21:05:47,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 21:05:47,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-06 21:05:47,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-06 21:05:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 21:05:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-06 21:05:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-06 21:05:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-06 21:05:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-06 21:05:47,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-06 21:05:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-06 21:05:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-06 21:05:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-06 21:05:47,691 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-06 21:05:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-06 21:05:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-06 21:05:47,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2024-11-06 21:05:47,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10 [2024-11-06 21:05:47,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 21:05:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-06 21:05:47,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-06 21:05:47,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-06 21:05:47,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 21:05:47,878 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 21:05:47,880 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 21:06:09,587 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-06 21:06:09,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 21:06:09,600 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 21:06:09,601 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-06 21:06:09,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:09 BoogieIcfgContainer [2024-11-06 21:06:09,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 21:06:09,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 21:06:09,607 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 21:06:09,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 21:06:09,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:47" (1/3) ... [2024-11-06 21:06:09,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251d63c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:06:09, skipping insertion in model container [2024-11-06 21:06:09,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:47" (2/3) ... [2024-11-06 21:06:09,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@251d63c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:06:09, skipping insertion in model container [2024-11-06 21:06:09,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:09" (3/3) ... [2024-11-06 21:06:09,614 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0686a.c [2024-11-06 21:06:09,626 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 21:06:09,626 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 21:06:09,667 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 21:06:09,680 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a0ebb37, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 21:06:09,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 21:06:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 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) [2024-11-06 21:06:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-06 21:06:09,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 21:06:09,688 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 21:06:09,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 21:06:09,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 21:06:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1138093872, now seen corresponding path program 1 times [2024-11-06 21:06:09,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 21:06:09,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [481739121] [2024-11-06 21:06:09,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 21:06:09,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:09,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 21:06:09,709 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 21:06:09,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-06 21:06:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 21:06:10,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 21:06:10,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 21:06:10,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 21:06:10,542 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 21:06:10,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 21:06:10,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [481739121] [2024-11-06 21:06:10,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [481739121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 21:06:10,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 21:06:10,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 21:06:10,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819766375] [2024-11-06 21:06:10,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 21:06:10,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 21:06:10,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 21:06:10,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 21:06:10,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 21:06:10,567 INFO L87 Difference]: Start difference. First operand has 84 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 77 states have internal predecessors, (127), 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) [2024-11-06 21:06:10,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 21:06:10,588 INFO L93 Difference]: Finished difference Result 166 states and 272 transitions. [2024-11-06 21:06:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 21:06:10,589 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 [2024-11-06 21:06:10,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 21:06:10,594 INFO L225 Difference]: With dead ends: 166 [2024-11-06 21:06:10,594 INFO L226 Difference]: Without dead ends: 81 [2024-11-06 21:06:10,597 INFO L431 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 [2024-11-06 21:06:10,601 INFO L432 NwaCegarLoop]: 120 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, 120 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 [2024-11-06 21:06:10,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 21:06:10,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-06 21:06:10,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-06 21:06:10,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 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) [2024-11-06 21:06:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2024-11-06 21:06:10,635 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 10 [2024-11-06 21:06:10,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 21:06:10,637 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2024-11-06 21:06:10,638 INFO L472 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) [2024-11-06 21:06:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2024-11-06 21:06:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-06 21:06:10,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 21:06:10,638 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 21:06:10,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-06 21:06:10,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:10,839 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 21:06:10,840 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 21:06:10,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1466206375, now seen corresponding path program 1 times [2024-11-06 21:06:10,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 21:06:10,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1472279462] [2024-11-06 21:06:10,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 21:06:10,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:10,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 21:06:10,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 21:06:10,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-06 21:06:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 21:06:11,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-06 21:06:11,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 21:06:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 21:06:13,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 21:06:13,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 21:06:13,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1472279462] [2024-11-06 21:06:13,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1472279462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 21:06:13,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 21:06:13,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 21:06:13,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463722997] [2024-11-06 21:06:13,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 21:06:13,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 21:06:13,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 21:06:13,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 21:06:13,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 21:06:13,470 INFO L87 Difference]: Start difference. First operand 81 states and 117 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) [2024-11-06 21:06:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 21:06:15,793 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2024-11-06 21:06:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 21:06:15,795 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 [2024-11-06 21:06:15,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 21:06:15,795 INFO L225 Difference]: With dead ends: 95 [2024-11-06 21:06:15,795 INFO L226 Difference]: Without dead ends: 25 [2024-11-06 21:06:15,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-06 21:06:15,797 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 92 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-06 21:06:15,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 35 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-06 21:06:15,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-06 21:06:15,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2024-11-06 21:06:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 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) [2024-11-06 21:06:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-11-06 21:06:15,800 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 12 [2024-11-06 21:06:15,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 21:06:15,800 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-11-06 21:06:15,800 INFO L472 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) [2024-11-06 21:06:15,800 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-06 21:06:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-06 21:06:15,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 21:06:15,801 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 21:06:15,828 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-06 21:06:16,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:16,001 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 21:06:16,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 21:06:16,002 INFO L85 PathProgramCache]: Analyzing trace with hash 276434516, now seen corresponding path program 1 times [2024-11-06 21:06:16,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 21:06:16,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472154366] [2024-11-06 21:06:16,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 21:06:16,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:16,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 21:06:16,005 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 21:06:16,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-06 21:06:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 21:06:16,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-06 21:06:16,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 21:06:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 21:06:18,707 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 21:06:18,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 21:06:18,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472154366] [2024-11-06 21:06:18,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472154366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 21:06:18,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 21:06:18,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-06 21:06:18,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819110917] [2024-11-06 21:06:18,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 21:06:18,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-06 21:06:18,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 21:06:18,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-06 21:06:18,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-06 21:06:18,709 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2024-11-06 21:06:21,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 21:06:21,204 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-06 21:06:21,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-06 21:06:21,208 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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 [2024-11-06 21:06:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 21:06:21,208 INFO L225 Difference]: With dead ends: 28 [2024-11-06 21:06:21,208 INFO L226 Difference]: Without dead ends: 24 [2024-11-06 21:06:21,208 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-06 21:06:21,209 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 14 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-06 21:06:21,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 55 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-06 21:06:21,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-06 21:06:21,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-06 21:06:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2024-11-06 21:06:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-06 21:06:21,212 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 18 [2024-11-06 21:06:21,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 21:06:21,212 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-06 21:06:21,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 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) [2024-11-06 21:06:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-06 21:06:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-06 21:06:21,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 21:06:21,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 21:06:21,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-06 21:06:21,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:21,413 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 21:06:21,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 21:06:21,414 INFO L85 PathProgramCache]: Analyzing trace with hash -21897249, now seen corresponding path program 1 times [2024-11-06 21:06:21,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 21:06:21,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682012402] [2024-11-06 21:06:21,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 21:06:21,415 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:21,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 21:06:21,416 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-06 21:06:21,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-06 21:06:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 21:06:22,230 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-06 21:06:22,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 21:06:22,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-06 21:06:22,463 INFO L378 Elim1Store]: Elim1 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 34 treesize of output 18 [2024-11-06 21:06:22,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-06 21:06:22,782 INFO L378 Elim1Store]: Elim1 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 34 treesize of output 18 [2024-11-06 21:06:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-06 21:06:23,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 21:06:23,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 21:06:23,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682012402] [2024-11-06 21:06:23,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [682012402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 21:06:23,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 21:06:23,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-06 21:06:23,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029668954] [2024-11-06 21:06:23,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 21:06:23,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-06 21:06:23,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 21:06:23,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-06 21:06:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-06 21:06:23,931 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2024-11-06 21:06:25,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 21:06:25,448 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2024-11-06 21:06:25,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-06 21:06:25,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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 [2024-11-06 21:06:25,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 21:06:25,449 INFO L225 Difference]: With dead ends: 24 [2024-11-06 21:06:25,449 INFO L226 Difference]: Without dead ends: 0 [2024-11-06 21:06:25,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-06 21:06:25,450 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 27 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-06 21:06:25,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 23 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-06 21:06:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-06 21:06:25,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-06 21:06:25,451 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) [2024-11-06 21:06:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-06 21:06:25,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2024-11-06 21:06:25,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 21:06:25,451 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-06 21:06:25,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2024-11-06 21:06:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-06 21:06:25,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-06 21:06:25,454 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-06 21:06:25,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-06 21:06:25,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-06 21:06:25,657 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-06 21:06:25,659 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-06 21:06:26,158 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-06 21:06:26,171 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float [2024-11-06 21:06:26,172 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float [2024-11-06 21:06:26,172 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float [2024-11-06 21:06:26,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float [2024-11-06 21:06:26,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float [2024-11-06 21:06:26,174 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float [2024-11-06 21:06:26,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:06:26 BoogieIcfgContainer [2024-11-06 21:06:26,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-06 21:06:26,176 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-06 21:06:26,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-06 21:06:26,176 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-06 21:06:26,177 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:06:09" (3/4) ... [2024-11-06 21:06:26,178 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-06 21:06:26,182 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2024-11-06 21:06:26,182 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2024-11-06 21:06:26,189 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2024-11-06 21:06:26,189 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-06 21:06:26,190 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-06 21:06:26,190 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-06 21:06:26,289 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-06 21:06:26,290 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-06 21:06:26,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-06 21:06:26,291 INFO L158 Benchmark]: Toolchain (without parser) took 39152.77ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 51.0MB in the end (delta: 9.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-06 21:06:26,291 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 21:06:26,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.38ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 45.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-06 21:06:26,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.14ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-06 21:06:26,292 INFO L158 Benchmark]: Boogie Preprocessor took 101.18ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 38.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-06 21:06:26,293 INFO L158 Benchmark]: RCFGBuilder took 21972.06ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 44.7MB in the end (delta: -6.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-06 21:06:26,293 INFO L158 Benchmark]: TraceAbstraction took 16568.61ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 15.5MB in the end (delta: 28.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-06 21:06:26,293 INFO L158 Benchmark]: Witness Printer took 114.36ms. Allocated memory is still 83.9MB. Free memory was 14.9MB in the beginning and 51.0MB in the end (delta: -36.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-06 21:06:26,296 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 35.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.38ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 45.2MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.14ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 101.18ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 38.7MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 21972.06ms. Allocated memory is still 83.9MB. Free memory was 38.4MB in the beginning and 44.7MB in the end (delta: -6.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * TraceAbstraction took 16568.61ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 15.5MB in the end (delta: 28.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Witness Printer took 114.36ms. Allocated memory is still 83.9MB. Free memory was 14.9MB in the beginning and 51.0MB in the end (delta: -36.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float * 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: 230]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 233 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 74 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 163 mSDtfsCounter, 74 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=84occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 19 QuantifiedInterpolants, 907 SizeOfPredicates, 18 NumberOfNonLiveVariables, 524 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 198]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - ProcedureContractResult [Line: 14]: Procedure Contract for fabs_float Derived contract for procedure fabs_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) - ProcedureContractResult [Line: 53]: Procedure Contract for atan_float Derived contract for procedure atan_float. Requires: 0 Ensures: (0 && ((((((((one_atan == \old(one_atan)) && (huge_atan == \old(huge_atan))) && (pi_o_4 == \old(pi_o_4))) && (pi_o_2 == \old(pi_o_2))) && (pi == \old(pi))) && (tiny_atan2 == \old(tiny_atan2))) && (zero_atan2 == \old(zero_atan2))) && (pi_lo_atan2 == \old(pi_lo_atan2)))) RESULT: Ultimate proved your program to be correct! [2024-11-06 21:06:26,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE