./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0683b.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_0683b.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', '6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312']
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_0683b.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 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:04:58,158 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:04:58,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 21:04:58,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:04:58,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:04:58,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:04:58,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:04:58,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:04:58,335 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:04:58,335 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:04:58,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:04:58,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:04:58,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:04:58,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:04:58,337 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:04:58,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:04:58,337 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:04:58,338 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:04:58,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:04:58,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:04:58,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:04:58,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:04:58,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:04:58,340 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 -> 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312
[2024-11-06 21:04:58,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:04:58,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:04:58,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:04:58,606 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:04:58,607 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:04:58,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c
[2024-11-06 21:04:59,910 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:05:00,123 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:05:00,124 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c
[2024-11-06 21:05:00,130 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b941dc64a/45e76ea161b74aeea96b0f4032b089c2/FLAGa5d273e3f
[2024-11-06 21:05:00,142 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b941dc64a/45e76ea161b74aeea96b0f4032b089c2
[2024-11-06 21:05:00,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:05:00,146 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:05:00,147 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:00,148 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:05:00,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:05:00,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70817d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00, skipping insertion in model container
[2024-11-06 21:05:00,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,175 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:05:00,332 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_0683b.c[5824,5837]
[2024-11-06 21:05:00,337 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:00,351 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:05:00,385 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_0683b.c[5824,5837]
[2024-11-06 21:05:00,386 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:00,409 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:05:00,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00 WrapperNode
[2024-11-06 21:05:00,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:00,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:00,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:05:00,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:05:00,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,450 INFO L138 Inliner]: procedures = 22, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 281
[2024-11-06 21:05:00,451 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:00,451 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:05:00,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:05:00,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:05:00,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,463 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,474 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS
[2024-11-06 21:05:00,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:05:00,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:05:00,509 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:05:00,509 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:05:00,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (1/1) ...
[2024-11-06 21:05:00,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:00,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:05:00,548 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 21:05:00,554 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 21:05:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:05:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-06 21:05:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real
[2024-11-06 21:05:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:05:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2024-11-06 21:05:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-06 21:05:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2024-11-06 21:05:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float
[2024-11-06 21:05:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float
[2024-11-06 21:05:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:05:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:05:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-06 21:05:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real
[2024-11-06 21:05:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float
[2024-11-06 21:05:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float
[2024-11-06 21:05:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:05:00,700 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:05:00,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:05:01,215 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live.
[2024-11-06 21:05:01,215 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:05:01,229 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:05:01,229 INFO L316 CfgBuilder]: Removed 18 assume(true) statements.
[2024-11-06 21:05:01,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:01 BoogieIcfgContainer
[2024-11-06 21:05:01,229 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:05:01,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:05:01,231 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:05:01,235 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:05:01,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:00" (1/3) ...
[2024-11-06 21:05:01,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e41c09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:01, skipping insertion in model container
[2024-11-06 21:05:01,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:00" (2/3) ...
[2024-11-06 21:05:01,236 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e41c09f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:01, skipping insertion in model container
[2024-11-06 21:05:01,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:01" (3/3) ...
[2024-11-06 21:05:01,236 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b.c
[2024-11-06 21:05:01,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:05:01,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:05:01,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:05:01,319 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;@62b13bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:05:01,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:05:01,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 94 states have (on average 1.648936170212766) internal successors, (155), 95 states have internal predecessors, (155), 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 21:05:01,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-06 21:05:01,331 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:01,331 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:01,332 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:01,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:01,336 INFO L85 PathProgramCache]: Analyzing trace with hash 431279284, now seen corresponding path program 1 times
[2024-11-06 21:05:01,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:05:01,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398820071]
[2024-11-06 21:05:01,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:01,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:05:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:01,550 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 21:05:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:05:01,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398820071]
[2024-11-06 21:05:01,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398820071] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:01,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:01,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:05:01,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460123569]
[2024-11-06 21:05:01,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:01,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:05:01,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:05:01,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:05:01,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:05:01,585 INFO L87 Difference]: Start difference. First operand has 102 states, 94 states have (on average 1.648936170212766) internal successors, (155), 95 states have internal predecessors, (155), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 21:05:01,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:01,615 INFO L93 Difference]: Finished difference Result 202 states and 328 transitions.
[2024-11-06 21:05:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:05:01,617 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15
[2024-11-06 21:05:01,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:01,623 INFO L225 Difference]: With dead ends: 202
[2024-11-06 21:05:01,623 INFO L226 Difference]: Without dead ends: 98
[2024-11-06 21:05:01,629 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 21:05:01,632 INFO L432 NwaCegarLoop]: 144 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, 144 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 21:05:01,633 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:05:01,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-06 21:05:01,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98.
[2024-11-06 21:05:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 91 states have internal predecessors, (131), 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 21:05:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 139 transitions.
[2024-11-06 21:05:01,679 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 139 transitions. Word has length 15
[2024-11-06 21:05:01,679 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:01,680 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 139 transitions.
[2024-11-06 21:05:01,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 21:05:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions.
[2024-11-06 21:05:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 21:05:01,681 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:01,681 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 21:05:01,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 21:05:01,682 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:01,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:01,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1162915794, now seen corresponding path program 1 times
[2024-11-06 21:05:01,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:05:01,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679311054]
[2024-11-06 21:05:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:01,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:05:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:05:01,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:05:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:05:01,997 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 21:05:01,997 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:05:01,999 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:05:02,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 21:05:02,003 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-06 21:05:02,035 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:05:02,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:05:02 BoogieIcfgContainer
[2024-11-06 21:05:02,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:05:02,042 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:05:02,042 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:05:02,042 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:05:02,043 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:01" (3/4) ...
[2024-11-06 21:05:02,045 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:05:02,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:05:02,048 INFO L158 Benchmark]: Toolchain (without parser) took 1901.08ms. Allocated memory is still 100.7MB. Free memory was 76.0MB in the beginning and 54.6MB in the end (delta: 21.4MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB.
[2024-11-06 21:05:02,049 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:02,049 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.88ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 61.3MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:05:02,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.02ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:02,052 INFO L158 Benchmark]: Boogie Preprocessor took 57.09ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:02,052 INFO L158 Benchmark]: RCFGBuilder took 720.44ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 66.7MB in the end (delta: -10.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB.
[2024-11-06 21:05:02,052 INFO L158 Benchmark]: TraceAbstraction took 810.50ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 54.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB.
[2024-11-06 21:05:02,052 INFO L158 Benchmark]: Witness Printer took 4.06ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 12.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:02,054 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 262.88ms. Allocated memory is still 100.7MB. Free memory was 75.9MB in the beginning and 61.3MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.02ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.09ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 56.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 720.44ms. Allocated memory is still 100.7MB. Free memory was 56.4MB in the beginning and 66.7MB in the end (delta: -10.2MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 810.50ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 54.6MB in the end (delta: 11.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB.
* Witness Printer took 4.06ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 12.3kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 257]: 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 256, 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]
[L248] float x = 1.0f / 0.0f;
[L249] float y = __VERIFIER_nondet_float();
[L251] CALL, EXPR isfinite_float(y)
[L231] __int32_t ix;
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=1000000000000000000000000000037, zero_atan2=0]
[L233] ieee_float_shape_type gf_u;
[L234] gf_u.value = (x)
[L235] EXPR gf_u.word
[L235] (ix) = gf_u.word
[L237] ix &= 0x7fffffff
[L238] return (((ix) < 0x7f800000L));
VAL [\result=1, 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=1000000000000000000000000000037, zero_atan2=0]
[L251] RET, EXPR isfinite_float(y)
[L251] COND TRUE isfinite_float(y) && y > 0.0f
[L253] 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=1000000000000000000000000000044, y=1000000000000000000000000000037, 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=-8388607, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000044, y=1000000000000000000000000000037, 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=-8388607, hy=2147483647, ix=2139095041, iy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000044, y=1000000000000000000000000000037, 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=-8388607, hy=2147483647, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000044, y=1000000000000000000000000000037, zero_atan2=0]
[L253] RET, EXPR __ieee754_atan2f(y, x)
[L253] float res = __ieee754_atan2f(y, x);
[L256] EXPR res == 0.0f && __signbit_float(res) == 0
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, res=1000000000000000000000000000042, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
[L256] COND TRUE !(res == 0.0f && __signbit_float(res) == 0)
[L257] 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, res=1000000000000000000000000000042, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 144 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, 144 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=102occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 21:05:02,075 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_0683b.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 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:05:04,101 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:05:04,190 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 21:05:04,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:05:04,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:05:04,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:05:04,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:05:04,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:05:04,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:05:04,215 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:05:04,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:05:04,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:05:04,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:05:04,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:05:04,216 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:05:04,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 21:05:04,217 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:05:04,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:04,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:05:04,218 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-06 21:05:04,219 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 21:05:04,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:05:04,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:05:04,219 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:05:04,219 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:05:04,219 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 -> 6672481a7838a56be1f1fe8bf2e494e3680a5c6a5ddaa173ab670073cd565312
[2024-11-06 21:05:04,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:05:04,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:05:04,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:05:04,531 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:05:04,532 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:05:04,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0683b.c
[2024-11-06 21:05:05,882 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:05:06,106 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:05:06,107 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0683b.c
[2024-11-06 21:05:06,116 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ecd63bfc/419e6ebd71824ba2bd55fcb7559d815d/FLAG6042fd492
[2024-11-06 21:05:06,136 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ecd63bfc/419e6ebd71824ba2bd55fcb7559d815d
[2024-11-06 21:05:06,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:05:06,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:05:06,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:06,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:05:06,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:05:06,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,147 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a39831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06, skipping insertion in model container
[2024-11-06 21:05:06,147 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,169 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:05:06,388 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_0683b.c[5824,5837]
[2024-11-06 21:05:06,393 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:06,415 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:05:06,476 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_0683b.c[5824,5837]
[2024-11-06 21:05:06,477 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:05:06,502 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:05:06,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06 WrapperNode
[2024-11-06 21:05:06,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:05:06,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:06,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:05:06,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:05:06,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,568 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 264
[2024-11-06 21:05:06,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:05:06,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:05:06,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:05:06,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:05:06,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,588 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,623 INFO L175 MemorySlicer]: Split 57 memory accesses to 13 slices as follows [2, 7, 7, 23, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 4, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]. The 21 writes are split as follows [0, 0, 0, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1].
[2024-11-06 21:05:06,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,660 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:05:06,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:05:06,666 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:05:06,666 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:05:06,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (1/1) ...
[2024-11-06 21:05:06,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:05:06,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:05:06,706 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 21:05:06,712 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 21:05:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:05:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0
[2024-11-06 21:05:06,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1
[2024-11-06 21:05:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2
[2024-11-06 21:05:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3
[2024-11-06 21:05:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4
[2024-11-06 21:05:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5
[2024-11-06 21:05:06,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 21:05:06,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 21:05:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 21:05:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 21:05:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 21:05:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 21:05:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8
[2024-11-06 21:05:06,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9
[2024-11-06 21:05:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10
[2024-11-06 21:05:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11
[2024-11-06 21:05:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12
[2024-11-06 21:05:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:05:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-06 21:05:06,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8
[2024-11-06 21:05:06,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float
[2024-11-06 21:05:06,736 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1
[2024-11-06 21:05:06,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2
[2024-11-06 21:05:06,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#8
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#9
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#10
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#11
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#12
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:05:06,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-06 21:05:06,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float
[2024-11-06 21:05:06,739 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12
[2024-11-06 21:05:06,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:05:06,913 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:05:06,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:05:28,931 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live.
[2024-11-06 21:05:28,932 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:05:28,944 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:05:28,945 INFO L316 CfgBuilder]: Removed 18 assume(true) statements.
[2024-11-06 21:05:28,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:28 BoogieIcfgContainer
[2024-11-06 21:05:28,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:05:28,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:05:28,949 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:05:28,954 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:05:28,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:05:06" (1/3) ...
[2024-11-06 21:05:28,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea0d608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:28, skipping insertion in model container
[2024-11-06 21:05:28,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:05:06" (2/3) ...
[2024-11-06 21:05:28,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea0d608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:05:28, skipping insertion in model container
[2024-11-06 21:05:28,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:28" (3/3) ...
[2024-11-06 21:05:28,956 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0683b.c
[2024-11-06 21:05:28,968 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:05:28,968 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:05:29,016 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:05:29,028 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;@76f3aaaa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:05:29,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:05:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 87 states have (on average 1.6551724137931034) internal successors, (144), 88 states have internal predecessors, (144), 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 21:05:29,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-06 21:05:29,038 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:29,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:29,039 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:29,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:29,043 INFO L85 PathProgramCache]: Analyzing trace with hash 430509684, now seen corresponding path program 1 times
[2024-11-06 21:05:29,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:05:29,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1230732158]
[2024-11-06 21:05:29,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:29,053 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 21:05:29,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:05:29,056 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 21:05:29,057 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 21:05:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:30,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 21:05:30,010 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:05:30,027 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 21:05:30,028 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:05:30,028 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:05:30,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1230732158]
[2024-11-06 21:05:30,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1230732158] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:30,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:30,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:05:30,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084698834]
[2024-11-06 21:05:30,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:30,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:05:30,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:05:30,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:05:30,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:05:30,057 INFO L87 Difference]: Start difference. First operand has 95 states, 87 states have (on average 1.6551724137931034) internal successors, (144), 88 states have internal predecessors, (144), 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 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 21:05:30,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:30,092 INFO L93 Difference]: Finished difference Result 188 states and 306 transitions.
[2024-11-06 21:05:30,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:05:30,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 15
[2024-11-06 21:05:30,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:30,101 INFO L225 Difference]: With dead ends: 188
[2024-11-06 21:05:30,102 INFO L226 Difference]: Without dead ends: 91
[2024-11-06 21:05:30,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 21:05:30,111 INFO L432 NwaCegarLoop]: 133 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, 133 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 21:05:30,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:05:30,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-11-06 21:05:30,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2024-11-06 21:05:30,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 84 states have (on average 1.4285714285714286) internal successors, (120), 84 states have internal predecessors, (120), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-06 21:05:30,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 128 transitions.
[2024-11-06 21:05:30,160 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 128 transitions. Word has length 15
[2024-11-06 21:05:30,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:30,162 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 128 transitions.
[2024-11-06 21:05:30,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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 21:05:30,162 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 128 transitions.
[2024-11-06 21:05:30,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-06 21:05:30,164 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:30,164 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 21:05:30,204 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 21:05:30,365 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 21:05:30,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:30,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:30,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1163685394, now seen corresponding path program 1 times
[2024-11-06 21:05:30,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:05:30,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826045833]
[2024-11-06 21:05:30,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:30,366 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 21:05:30,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:05:30,369 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 21:05:30,370 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 21:05:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:31,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-11-06 21:05:31,320 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:05:31,937 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 21:05:31,970 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 29 treesize of output 13
[2024-11-06 21:05:35,081 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 21:05:35,113 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 56 treesize of output 28
[2024-11-06 21:05:36,527 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 21:05:36,527 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:05:36,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:05:36,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826045833]
[2024-11-06 21:05:36,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [826045833] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:36,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:36,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-06 21:05:36,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767723939]
[2024-11-06 21:05:36,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:36,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-06 21:05:36,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:05:36,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-06 21:05:36,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2024-11-06 21:05:36,529 INFO L87 Difference]: Start difference. First operand 91 states and 128 transitions. Second operand has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 21:05:40,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:40,966 INFO L93 Difference]: Finished difference Result 166 states and 232 transitions.
[2024-11-06 21:05:40,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-11-06 21:05:40,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 21:05:40,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:40,971 INFO L225 Difference]: With dead ends: 166
[2024-11-06 21:05:40,971 INFO L226 Difference]: Without dead ends: 91
[2024-11-06 21:05:40,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272
[2024-11-06 21:05:40,973 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 145 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:40,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 732 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-06 21:05:40,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-11-06 21:05:40,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78.
[2024-11-06 21:05:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 72 states have internal predecessors, (92), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 21:05:40,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 98 transitions.
[2024-11-06 21:05:40,981 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 98 transitions. Word has length 18
[2024-11-06 21:05:40,981 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:40,982 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 98 transitions.
[2024-11-06 21:05:40,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 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 21:05:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 98 transitions.
[2024-11-06 21:05:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-06 21:05:40,982 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:40,982 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:41,012 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 21:05:41,183 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 21:05:41,183 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:41,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -408436717, now seen corresponding path program 1 times
[2024-11-06 21:05:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:05:41,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186815532]
[2024-11-06 21:05:41,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:41,184 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 21:05:41,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:05:41,186 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 21:05:41,187 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 21:05:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:42,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-06 21:05:42,052 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:05:42,965 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 21:05:42,965 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:05:42,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:05:42,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186815532]
[2024-11-06 21:05:42,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186815532] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:42,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:42,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-06 21:05:42,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579864771]
[2024-11-06 21:05:42,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:42,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-06 21:05:42,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:05:42,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-06 21:05:42,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-06 21:05:42,967 INFO L87 Difference]: Start difference. First operand 78 states and 98 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 21:05:44,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:44,299 INFO L93 Difference]: Finished difference Result 83 states and 103 transitions.
[2024-11-06 21:05:44,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-06 21:05:44,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 24
[2024-11-06 21:05:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:44,301 INFO L225 Difference]: With dead ends: 83
[2024-11-06 21:05:44,301 INFO L226 Difference]: Without dead ends: 80
[2024-11-06 21:05:44,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-06 21:05:44,302 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 81 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:44,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 271 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-06 21:05:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-11-06 21:05:44,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2024-11-06 21:05:44,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 74 states have (on average 1.2702702702702702) internal successors, (94), 74 states have internal predecessors, (94), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-06 21:05:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 100 transitions.
[2024-11-06 21:05:44,320 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 100 transitions. Word has length 24
[2024-11-06 21:05:44,320 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:44,320 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 100 transitions.
[2024-11-06 21:05:44,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 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 21:05:44,320 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 100 transitions.
[2024-11-06 21:05:44,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-06 21:05:44,321 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:44,321 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:44,348 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 21:05:44,521 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 21:05:44,522 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:44,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:44,522 INFO L85 PathProgramCache]: Analyzing trace with hash 200599730, now seen corresponding path program 1 times
[2024-11-06 21:05:44,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:05:44,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627360792]
[2024-11-06 21:05:44,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:44,523 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 21:05:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:05:44,527 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 21:05:44,528 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 21:05:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:45,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-06 21:05:45,363 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:05:45,765 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 21:05:45,788 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 21:05:46,135 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 21:05:46,159 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 29 treesize of output 13
[2024-11-06 21:05:47,470 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 21:05:47,470 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:05:47,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:05:47,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1627360792]
[2024-11-06 21:05:47,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1627360792] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:47,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:47,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-06 21:05:47,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535630970]
[2024-11-06 21:05:47,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:47,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 21:05:47,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:05:47,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 21:05:47,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-06 21:05:47,471 INFO L87 Difference]: Start difference. First operand 80 states and 100 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 21:05:49,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:49,020 INFO L93 Difference]: Finished difference Result 87 states and 106 transitions.
[2024-11-06 21:05:49,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-06 21:05:49,023 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 25
[2024-11-06 21:05:49,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:49,023 INFO L225 Difference]: With dead ends: 87
[2024-11-06 21:05:49,023 INFO L226 Difference]: Without dead ends: 29
[2024-11-06 21:05:49,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-06 21:05:49,024 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 31 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:49,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 110 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-06 21:05:49,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-06 21:05:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-06 21:05:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.0) internal successors, (28), 28 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:05:49,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 28 transitions.
[2024-11-06 21:05:49,030 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 28 transitions. Word has length 25
[2024-11-06 21:05:49,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:49,031 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 28 transitions.
[2024-11-06 21:05:49,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 21:05:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 28 transitions.
[2024-11-06 21:05:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-06 21:05:49,032 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:05:49,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:05:49,059 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 21:05:49,233 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 21:05:49,233 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:05:49,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:05:49,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1371826968, now seen corresponding path program 1 times
[2024-11-06 21:05:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:05:49,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872666363]
[2024-11-06 21:05:49,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:05:49,234 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 21:05:49,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:05:49,236 INFO L229 MonitoredProcess]: Starting monitored process 6 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 21:05:49,239 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 (6)] Waiting until timeout for monitored process
[2024-11-06 21:05:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:05:50,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-06 21:05:50,080 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:05:51,108 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 21:05:51,137 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 31 treesize of output 15
[2024-11-06 21:05:51,963 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 21:05:51,964 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:05:51,964 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:05:51,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872666363]
[2024-11-06 21:05:51,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872666363] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:05:51,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:05:51,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-06 21:05:51,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665466886]
[2024-11-06 21:05:51,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:05:51,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-06 21:05:51,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:05:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-06 21:05:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72
[2024-11-06 21:05:51,965 INFO L87 Difference]: Start difference. First operand 29 states and 28 transitions. Second operand has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:05:53,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:05:53,452 INFO L93 Difference]: Finished difference Result 29 states and 28 transitions.
[2024-11-06 21:05:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-06 21:05:53,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28
[2024-11-06 21:05:53,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:05:53,453 INFO L225 Difference]: With dead ends: 29
[2024-11-06 21:05:53,453 INFO L226 Difference]: Without dead ends: 0
[2024-11-06 21:05:53,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210
[2024-11-06 21:05:53,454 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 10 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-06 21:05:53,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 135 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-06 21:05:53,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 21:05:53,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 21:05:53,455 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 21:05:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 21:05:53,455 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28
[2024-11-06 21:05:53,455 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:05:53,455 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 21:05:53,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:05:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 21:05:53,455 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 21:05:53,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:05:53,484 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 (6)] Ended with exit code 0
[2024-11-06 21:05:53,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /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 21:05:53,661 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-06 21:05:53,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 21:05:55,356 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:05:55,369 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function fabs_float
[2024-11-06 21:05:55,369 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function fabs_float
[2024-11-06 21:05:55,369 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function fabs_float
[2024-11-06 21:05:55,372 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanhi_atan by function atan_float
[2024-11-06 21:05:55,372 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable atanlo_atan by function atan_float
[2024-11-06 21:05:55,373 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot encode non-modifiability of on-heap variable aT_atan by function atan_float
[2024-11-06 21:05:55,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:05:55 BoogieIcfgContainer
[2024-11-06 21:05:55,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:05:55,374 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:05:55,376 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:05:55,376 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:05:55,378 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:05:28" (3/4) ...
[2024-11-06 21:05:55,380 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-06 21:05:55,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float
[2024-11-06 21:05:55,385 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float
[2024-11-06 21:05:55,394 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges
[2024-11-06 21:05:55,395 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-06 21:05:55,395 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-06 21:05:55,396 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 21:05:55,494 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 21:05:55,495 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 21:05:55,495 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:05:55,496 INFO L158 Benchmark]: Toolchain (without parser) took 49355.87ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 43.7MB in the end (delta: 16.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB.
[2024-11-06 21:05:55,496 INFO L158 Benchmark]: CDTParser took 1.90ms. Allocated memory is still 83.9MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:55,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.04ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 44.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:05:55,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.73ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:55,497 INFO L158 Benchmark]: Boogie Preprocessor took 94.31ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 37.5MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:05:55,498 INFO L158 Benchmark]: RCFGBuilder took 22279.80ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 40.4MB in the end (delta: -3.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB.
[2024-11-06 21:05:55,498 INFO L158 Benchmark]: TraceAbstraction took 26426.09ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 51.0MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:05:55,498 INFO L158 Benchmark]: Witness Printer took 120.48ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 43.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:05:55,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.90ms. Allocated memory is still 83.9MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 363.04ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 44.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 65.73ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 94.31ms. Allocated memory is still 83.9MB. Free memory was 42.5MB in the beginning and 37.5MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 22279.80ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 40.4MB in the end (delta: -3.0MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 26426.09ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 51.0MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 120.48ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 43.7MB in the end (delta: 7.3MB). 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: 257]: 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, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 269 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 267 mSDsluCounter, 1381 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1032 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 214 IncrementalHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 349 mSDtfsCounter, 214 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 123 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 105 ConstructedInterpolants, 73 QuantifiedInterpolants, 1140 SizeOfPredicates, 24 NumberOfNonLiveVariables, 776 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 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
- InvariantResult [Line: 198]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 124]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 232]: 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: 220]: 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 21:05:55,639 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