./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0960b.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_0960b.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', 'cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c']
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_0960b.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 cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:08:21,178 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:08:21,229 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 21:08:21,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:08:21,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:08:21,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:08:21,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:08:21,266 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:08:21,267 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:08:21,267 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:08:21,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:08:21,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:08:21,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:08:21,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:08:21,268 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:08:21,269 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:08:21,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:08:21,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:21,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:08:21,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:08:21,271 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 -> cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c
[2024-11-06 21:08:21,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:08:21,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:08:21,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:08:21,558 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:08:21,558 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:08:21,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c
[2024-11-06 21:08:22,837 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:08:23,083 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:08:23,083 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c
[2024-11-06 21:08:23,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4371707f0/e2b234d2e2af4c6a873d7185bb517be2/FLAGe68aadf84
[2024-11-06 21:08:23,109 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4371707f0/e2b234d2e2af4c6a873d7185bb517be2
[2024-11-06 21:08:23,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:08:23,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:08:23,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:23,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:08:23,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:08:23,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eaecbe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23, skipping insertion in model container
[2024-11-06 21:08:23,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,136 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:08:23,277 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_0960b.c[4186,4199]
[2024-11-06 21:08:23,279 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:23,286 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:08:23,314 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_0960b.c[4186,4199]
[2024-11-06 21:08:23,315 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:23,325 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:08:23,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23 WrapperNode
[2024-11-06 21:08:23,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:23,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:23,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:08:23,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:08:23,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,365 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 267
[2024-11-06 21:08:23,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:23,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:08:23,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:08:23,367 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:08:23,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,389 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1].
[2024-11-06 21:08:23,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,389 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,396 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,401 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:08:23,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:08:23,404 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:08:23,404 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:08:23,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (1/1) ...
[2024-11-06 21:08:23,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:23,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:08:23,438 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 21:08:23,447 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 21:08:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:08:23,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-11-06 21:08:23,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7
[2024-11-06 21:08:23,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-06 21:08:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-06 21:08:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-06 21:08:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-06 21:08:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-06 21:08:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-06 21:08:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-06 21:08:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7
[2024-11-06 21:08:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0
[2024-11-06 21:08:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1
[2024-11-06 21:08:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2
[2024-11-06 21:08:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3
[2024-11-06 21:08:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4
[2024-11-06 21:08:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5
[2024-11-06 21:08:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6
[2024-11-06 21:08:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7
[2024-11-06 21:08:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:08:23,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:08:23,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7
[2024-11-06 21:08:23,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:08:23,591 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:08:23,593 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:08:23,826 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live.
[2024-11-06 21:08:23,827 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:08:23,833 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:08:23,833 INFO L316 CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:08:23,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:23 BoogieIcfgContainer
[2024-11-06 21:08:23,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:08:23,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:08:23,836 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:08:23,839 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:08:23,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:08:23" (1/3) ...
[2024-11-06 21:08:23,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cecd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:23, skipping insertion in model container
[2024-11-06 21:08:23,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:23" (2/3) ...
[2024-11-06 21:08:23,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cecd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:23, skipping insertion in model container
[2024-11-06 21:08:23,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:23" (3/3) ...
[2024-11-06 21:08:23,841 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b.c
[2024-11-06 21:08:23,852 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:08:23,852 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:08:23,885 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:08:23,893 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;@2dc6bcda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:08:23,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:08:23,897 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 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 21:08:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-06 21:08:23,902 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:23,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:23,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:23,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:23,906 INFO L85 PathProgramCache]: Analyzing trace with hash -598678917, now seen corresponding path program 1 times
[2024-11-06 21:08:23,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:08:23,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51880553]
[2024-11-06 21:08:23,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:23,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:08:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:24,042 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 21:08:24,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:08:24,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51880553]
[2024-11-06 21:08:24,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51880553] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:24,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:24,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:08:24,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138868165]
[2024-11-06 21:08:24,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:24,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:08:24,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:08:24,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:08:24,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:08:24,061 INFO L87 Difference]: Start difference. First operand has 67 states, 65 states have (on average 1.646153846153846) internal successors, (107), 66 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:08:24,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:08:24,073 INFO L93 Difference]: Finished difference Result 132 states and 212 transitions.
[2024-11-06 21:08:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:08:24,074 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2024-11-06 21:08:24,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:08:24,079 INFO L225 Difference]: With dead ends: 132
[2024-11-06 21:08:24,079 INFO L226 Difference]: Without dead ends: 64
[2024-11-06 21:08:24,081 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 21:08:24,083 INFO L432 NwaCegarLoop]: 91 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, 91 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 21:08:24,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:08:24,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-11-06 21:08:24,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-11-06 21:08:24,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 63 states have (on average 1.3968253968253967) internal successors, (88), 63 states have internal predecessors, (88), 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 21:08:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 88 transitions.
[2024-11-06 21:08:24,105 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 88 transitions. Word has length 11
[2024-11-06 21:08:24,105 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:08:24,105 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 88 transitions.
[2024-11-06 21:08:24,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:08:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 88 transitions.
[2024-11-06 21:08:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-06 21:08:24,106 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:24,106 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:24,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 21:08:24,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:24,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash 453418339, now seen corresponding path program 1 times
[2024-11-06 21:08:24,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:08:24,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393960717]
[2024-11-06 21:08:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:24,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:08:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:08:24,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:08:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:08:24,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 21:08:24,205 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:08:24,206 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:08:24,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 21:08:24,209 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-06 21:08:24,222 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:08:24,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:08:24 BoogieIcfgContainer
[2024-11-06 21:08:24,224 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:08:24,225 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:08:24,225 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:08:24,225 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:08:24,226 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:23" (3/4) ...
[2024-11-06 21:08:24,227 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:08:24,228 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:08:24,228 INFO L158 Benchmark]: Toolchain (without parser) took 1115.51ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 75.0MB in the end (delta: 18.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB.
[2024-11-06 21:08:24,228 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:24,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.14ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 79.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:08:24,229 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.96ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:24,229 INFO L158 Benchmark]: Boogie Preprocessor took 36.69ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:24,229 INFO L158 Benchmark]: RCFGBuilder took 429.81ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 51.3MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-06 21:08:24,229 INFO L158 Benchmark]: TraceAbstraction took 389.01ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 75.1MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:24,229 INFO L158 Benchmark]: Witness Printer took 2.74ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:24,230 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.83ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 212.14ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 79.1MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.96ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.69ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.7MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 429.81ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 51.3MB in the end (delta: 22.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 389.01ms. Allocated memory is still 117.4MB. Free memory was 50.7MB in the beginning and 75.1MB in the end (delta: -24.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 2.74ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 40.4kB). 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: 168]: 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 someUnaryFLOAToperation at line 163, overapproximation of someBinaryArithmeticFLOAToperation at line 118.
Possible FailurePath:
[L13-L17] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06,
two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01,
Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01,
Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01,
Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01;
[L19] static const float zero_log = 0.0;
[L99-L102] static const float two25_log10 = 3.3554432000e+07,
ivln10_log10 = 4.3429449201e-01,
log10_2hi_log10 = 3.0102920532e-01,
log10_2lo_log10 = 7.9034151668e-07;
[L104] static const float zero = 0.0;
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0]
[L163] float x = -0.0f;
[L164] CALL, EXPR __ieee754_log10f(x)
[L107] float y, z;
[L108] __int32_t i, k, hx;
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=6442450958, zero=0, zero_log=0]
[L111] ieee_float_shape_type gf_u;
[L112] gf_u.value = (x)
[L113] EXPR gf_u.word
[L113] (hx) = gf_u.word
[L116] k = 0
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=6442450958, zero=0, zero_log=0]
[L117] COND TRUE ((hx & 0x7fffffff) == 0)
[L118] return -two25_log10 / zero;
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=6442450958, zero=0, zero_log=0]
[L164] RET, EXPR __ieee754_log10f(x)
[L164] float res = __ieee754_log10f(x);
[L167] CALL, EXPR isinf_float(res)
[L147] __int32_t ix;
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=6442450957, zero=0, zero_log=0]
[L149] ieee_float_shape_type gf_u;
[L150] gf_u.value = (x)
[L151] EXPR gf_u.word
[L151] (ix) = gf_u.word
[L153] ix &= 0x7fffffff
[L154] return ((ix) == 0x7f800000L);
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, \result=0, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=6442450957, zero=0, zero_log=0]
[L167] RET, EXPR isinf_float(res)
[L167] COND TRUE !isinf_float(res)
[L168] reach_error()
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 91 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, 91 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=67occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 21:08:24,249 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_0960b.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 cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:08:26,157 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:08:26,236 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 21:08:26,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:08:26,240 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:08:26,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:08:26,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:08:26,260 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:08:26,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:08:26,261 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:08:26,261 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:08:26,261 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:08:26,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:08:26,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:08:26,262 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:08:26,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:08:26,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:08:26,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:08:26,264 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:08:26,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:08:26,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:08:26,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:08:26,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:08:26,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:26,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:08:26,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:08:26,265 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 -> cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c
[2024-11-06 21:08:26,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:08:26,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:08:26,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:08:26,505 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:08:26,505 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:08:26,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c
[2024-11-06 21:08:27,666 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:08:27,847 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:08:27,848 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c
[2024-11-06 21:08:27,861 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9c0e1a4/847a5f0458334904a15c5569876f8326/FLAGf3b74e945
[2024-11-06 21:08:28,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6f9c0e1a4/847a5f0458334904a15c5569876f8326
[2024-11-06 21:08:28,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:08:28,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:08:28,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:28,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:08:28,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:08:28,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,245 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad29730 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28, skipping insertion in model container
[2024-11-06 21:08:28,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,259 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:08:28,391 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_0960b.c[4186,4199]
[2024-11-06 21:08:28,393 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:28,401 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:08:28,425 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_0960b.c[4186,4199]
[2024-11-06 21:08:28,426 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:28,436 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:08:28,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28 WrapperNode
[2024-11-06 21:08:28,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:28,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:28,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:08:28,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:08:28,441 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,479 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 225
[2024-11-06 21:08:28,479 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:28,480 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:08:28,480 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:08:28,480 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:08:28,485 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,497 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1].
[2024-11-06 21:08:28,497 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,497 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:08:28,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:08:28,513 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:08:28,513 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:08:28,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (1/1) ...
[2024-11-06 21:08:28,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:28,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:08:28,533 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 21:08:28,535 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 21:08:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-06 21:08:28,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 21:08:28,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:08:28,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-06 21:08:28,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-06 21:08:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-06 21:08:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-06 21:08:28,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:08:28,665 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:08:28,666 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:08:56,726 INFO L? ?]: Removed 68 outVars from TransFormulas that were not future-live.
[2024-11-06 21:08:56,726 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:08:56,733 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:08:56,733 INFO L316 CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:08:56,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:56 BoogieIcfgContainer
[2024-11-06 21:08:56,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:08:56,735 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:08:56,735 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:08:56,738 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:08:56,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:08:28" (1/3) ...
[2024-11-06 21:08:56,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bc8074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:56, skipping insertion in model container
[2024-11-06 21:08:56,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:28" (2/3) ...
[2024-11-06 21:08:56,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bc8074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:08:56, skipping insertion in model container
[2024-11-06 21:08:56,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:56" (3/3) ...
[2024-11-06 21:08:56,740 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b.c
[2024-11-06 21:08:56,749 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:08:56,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:08:56,780 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:08:56,788 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;@3e36d223, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:08:56,788 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:08:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 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 21:08:56,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-06 21:08:56,795 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:56,796 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:56,796 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:56,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:56,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times
[2024-11-06 21:08:56,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:08:56,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102582228]
[2024-11-06 21:08:56,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:56,807 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 21:08:56,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:08:56,816 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 21:08:56,817 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 21:08:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:57,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 21:08:57,337 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:08:57,347 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 21:08:57,348 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:08:57,348 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:08:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102582228]
[2024-11-06 21:08:57,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102582228] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:57,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:57,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:08:57,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79640001]
[2024-11-06 21:08:57,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:57,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:08:57,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:08:57,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:08:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:08:57,366 INFO L87 Difference]: Start difference. First operand has 47 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 46 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:08:57,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:08:57,379 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions.
[2024-11-06 21:08:57,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:08:57,381 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2024-11-06 21:08:57,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:08:57,385 INFO L225 Difference]: With dead ends: 92
[2024-11-06 21:08:57,386 INFO L226 Difference]: Without dead ends: 44
[2024-11-06 21:08:57,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 21:08:57,389 INFO L432 NwaCegarLoop]: 61 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, 61 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 21:08:57,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:08:57,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-11-06 21:08:57,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-11-06 21:08:57,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 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 21:08:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions.
[2024-11-06 21:08:57,410 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11
[2024-11-06 21:08:57,410 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:08:57,410 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions.
[2024-11-06 21:08:57,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 21:08:57,410 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions.
[2024-11-06 21:08:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-06 21:08:57,411 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:57,411 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:57,427 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 21:08:57,612 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 21:08:57,613 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:57,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times
[2024-11-06 21:08:57,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:08:57,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2096595416]
[2024-11-06 21:08:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:57,614 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 21:08:57,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:08:57,618 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 21:08:57,619 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 21:08:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:58,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-06 21:08:58,173 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:08:59,535 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 21:08:59,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:08:59,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:08:59,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2096595416]
[2024-11-06 21:08:59,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2096595416] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:59,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:59,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-06 21:08:59,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360405470]
[2024-11-06 21:08:59,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:59,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-06 21:08:59,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:08:59,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-06 21:08:59,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2024-11-06 21:08:59,542 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 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 21:09:08,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:09:12,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:09:16,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:09:20,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 21:09:24,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 21:09:28,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 21:09:33,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:09:37,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:09:41,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:09:45,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 21:09:49,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 21:09:53,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-06 21:09:58,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:10:00,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:10:05,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-06 21:10:09,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []