./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0970a.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_0970a.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', '6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a']
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_0970a.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 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:08:21,113 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:08:21,177 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-06 21:08:21,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:08:21,181 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:08:21,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:08:21,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:08:21,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:08:21,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:08:21,200 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:08:21,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:08:21,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:08:21,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:08:21,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:08:21,202 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:08:21,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:08:21,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:08:21,202 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:08:21,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:21,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:08:21,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:08:21,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:08:21,204 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 -> 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
[2024-11-06 21:08:21,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:08:21,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:08:21,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:08:21,434 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:08:21,434 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:08:21,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2024-11-06 21:08:22,529 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:08:22,685 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:08:22,686 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2024-11-06 21:08:22,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/228d74fa7/48491a6ace664a7082a07a2be1f174ae/FLAG0a23ec9fb
[2024-11-06 21:08:22,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/228d74fa7/48491a6ace664a7082a07a2be1f174ae
[2024-11-06 21:08:22,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:08:22,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:08:22,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:22,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:08:22,707 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:08:22,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e8b6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22, skipping insertion in model container
[2024-11-06 21:08:22,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,720 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:08:22,848 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_0970a.c[4407,4420]
[2024-11-06 21:08:22,853 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:22,863 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:08:22,887 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_0970a.c[4407,4420]
[2024-11-06 21:08:22,887 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:22,897 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:08:22,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22 WrapperNode
[2024-11-06 21:08:22,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:22,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:22,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:08:22,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:08:22,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,942 INFO L138 Inliner]: procedures = 19, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 283
[2024-11-06 21:08:22,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:22,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:08:22,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:08:22,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:08:22,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,976 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 21:08:22,978 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:22,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:23,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:23,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:08:23,007 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:08:23,008 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:08:23,008 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:08:23,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (1/1) ...
[2024-11-06 21:08:23,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:08:23,033 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 21:08:23,035 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 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3
[2024-11-06 21:08:23,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:08:23,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-06 21:08:23,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-06 21:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-06 21:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-06 21:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-06 21:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7
[2024-11-06 21:08:23,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:08:23,151 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:08:23,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:08:23,389 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live.
[2024-11-06 21:08:23,390 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:08:23,396 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:08:23,396 INFO L316 CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:08:23,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:23 BoogieIcfgContainer
[2024-11-06 21:08:23,396 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:08:23,402 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:08:23,402 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:08:23,405 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:08:23,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:08:22" (1/3) ...
[2024-11-06 21:08:23,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20dcf71f 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 21:08:23,406 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:22" (2/3) ...
[2024-11-06 21:08:23,406 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20dcf71f 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 21:08:23,406 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 21:08:23,407 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c
[2024-11-06 21:08:23,417 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:08:23,417 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:08:23,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:08:23,462 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;@7f2608d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:08:23,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:08:23,465 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 70 states have internal predecessors, (113), 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 21:08:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-06 21:08:23,469 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:23,469 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:23,470 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:23,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:23,473 INFO L85 PathProgramCache]: Analyzing trace with hash 631202756, now seen corresponding path program 1 times
[2024-11-06 21:08:23,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:08:23,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122258291]
[2024-11-06 21:08:23,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:23,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:08:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:23,566 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 21:08:23,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:08:23,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122258291]
[2024-11-06 21:08:23,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122258291] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:23,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:23,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:08:23,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210830264]
[2024-11-06 21:08:23,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:23,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:08:23,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:08:23,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:08:23,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:08:23,590 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 70 states have internal predecessors, (113), 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 21:08:23,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:08:23,601 INFO L93 Difference]: Finished difference Result 139 states and 222 transitions.
[2024-11-06 21:08:23,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:08:23,602 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 21:08:23,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:08:23,607 INFO L225 Difference]: With dead ends: 139
[2024-11-06 21:08:23,608 INFO L226 Difference]: Without dead ends: 67
[2024-11-06 21:08:23,609 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 21:08:23,611 INFO L432 NwaCegarLoop]: 97 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, 97 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 21:08:23,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:08:23,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2024-11-06 21:08:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67.
[2024-11-06 21:08:23,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 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 21:08:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 92 transitions.
[2024-11-06 21:08:23,634 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 92 transitions. Word has length 11
[2024-11-06 21:08:23,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:08:23,634 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 92 transitions.
[2024-11-06 21:08:23,634 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 21:08:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions.
[2024-11-06 21:08:23,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 21:08:23,636 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:23,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:23,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-06 21:08:23,637 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:23,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1646608751, now seen corresponding path program 1 times
[2024-11-06 21:08:23,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:08:23,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276273939]
[2024-11-06 21:08:23,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:23,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:08:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:23,697 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 21:08:23,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-06 21:08:23,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276273939]
[2024-11-06 21:08:23,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276273939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:23,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:23,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 21:08:23,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538731842]
[2024-11-06 21:08:23,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:23,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 21:08:23,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-06 21:08:23,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 21:08:23,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 21:08:23,701 INFO L87 Difference]: Start difference. First operand 67 states and 92 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:08:23,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:08:23,718 INFO L93 Difference]: Finished difference Result 127 states and 176 transitions.
[2024-11-06 21:08:23,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-06 21:08:23,718 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-06 21:08:23,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:08:23,719 INFO L225 Difference]: With dead ends: 127
[2024-11-06 21:08:23,719 INFO L226 Difference]: Without dead ends: 67
[2024-11-06 21:08:23,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 21:08:23,721 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-06 21:08:23,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:08:23,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states.
[2024-11-06 21:08:23,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67.
[2024-11-06 21:08:23,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 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 21:08:23,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 91 transitions.
[2024-11-06 21:08:23,726 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 91 transitions. Word has length 12
[2024-11-06 21:08:23,726 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:08:23,726 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 91 transitions.
[2024-11-06 21:08:23,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:08:23,726 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions.
[2024-11-06 21:08:23,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-06 21:08:23,727 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:23,729 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:23,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-06 21:08:23,729 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:23,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:23,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1231439068, now seen corresponding path program 1 times
[2024-11-06 21:08:23,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-06 21:08:23,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863940411]
[2024-11-06 21:08:23,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:23,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-06 21:08:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:08:23,808 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-06 21:08:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-06 21:08:23,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-06 21:08:23,857 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-06 21:08:23,857 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:08:23,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-06 21:08:23,861 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-06 21:08:23,882 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:08:23,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:08:23 BoogieIcfgContainer
[2024-11-06 21:08:23,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:08:23,886 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:08:23,886 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:08:23,886 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:08:23,887 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 21:08:23,888 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-06 21:08:23,889 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:08:23,889 INFO L158 Benchmark]: Toolchain (without parser) took 1186.00ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 106.8MB in the end (delta: 11.0MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB.
[2024-11-06 21:08:23,890 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:23,890 INFO L158 Benchmark]: CACSL2BoogieTranslator took 195.24ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 104.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:08:23,891 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.53ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:23,891 INFO L158 Benchmark]: Boogie Preprocessor took 62.67ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:23,891 INFO L158 Benchmark]: RCFGBuilder took 389.42ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 75.3MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-06 21:08:23,892 INFO L158 Benchmark]: TraceAbstraction took 483.87ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 106.9MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:23,892 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.8MB in the end (delta: 52.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:08:23,894 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 82.0MB in the end (delta: 82.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 195.24ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 104.0MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.53ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 101.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 62.67ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 98.6MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 389.42ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 75.3MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 483.87ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 106.9MB in the end (delta: -32.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.23ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 106.8MB in the end (delta: 52.0kB). 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: 176]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 119.
Possible FailurePath:
[L14-L18] 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;
[L20] static const float zero_log = 0.0;
[L100-L103] 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;
[L105] 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]
[L168] float x = __VERIFIER_nondet_float();
[L170] x < 0 && isfinite_float(x)
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]
[L170] x < 0 && isfinite_float(x)
[L170] CALL, EXPR isfinite_float(x)
[L151] __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=2147483662, zero=0, zero_log=0]
[L153] ieee_float_shape_type gf_u;
[L154] gf_u.value = (x)
[L155] EXPR gf_u.word
[L155] (ix) = gf_u.word
[L157] ix &= 0x7fffffff
[L158] 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=1, 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=2147483662, zero=0, zero_log=0]
[L170] RET, EXPR isfinite_float(x)
[L170] x < 0 && isfinite_float(x)
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=2147483662, zero=0, zero_log=0]
[L170] COND TRUE x < 0 && isfinite_float(x)
[L172] CALL, EXPR __ieee754_log10f(x)
[L108] float y, z;
[L109] __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=2147483662, zero=0, zero_log=0]
[L112] ieee_float_shape_type gf_u;
[L113] gf_u.value = (x)
[L114] EXPR gf_u.word
[L114] (hx) = gf_u.word
[L117] 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=2147483662, zero=0, zero_log=0]
[L118] COND TRUE ((hx & 0x7fffffff) == 0)
[L119] 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=2147483662, zero=0, zero_log=0]
[L172] RET, EXPR __ieee754_log10f(x)
[L172] float res = __ieee754_log10f(x);
[L175] CALL, EXPR isnan_float(res)
[L147] return x != x;
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, zero=0, zero_log=0]
[L175] RET, EXPR isnan_float(res)
[L175] COND TRUE !isnan_float(res)
[L176] 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 87 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 189 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-06 21:08:23,915 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_0970a.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 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-06 21:08:25,557 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-06 21:08:25,620 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-06 21:08:25,625 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-06 21:08:25,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-06 21:08:25,646 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-06 21:08:25,647 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-06 21:08:25,647 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-06 21:08:25,647 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-06 21:08:25,648 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-06 21:08:25,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-06 21:08:25,648 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-06 21:08:25,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-06 21:08:25,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-06 21:08:25,649 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-06 21:08:25,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-06 21:08:25,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-06 21:08:25,649 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-06 21:08:25,650 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-06 21:08:25,651 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-06 21:08:25,651 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-06 21:08:25,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-06 21:08:25,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-06 21:08:25,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:25,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-06 21:08:25,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-06 21:08:25,670 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 -> 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
[2024-11-06 21:08:25,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-06 21:08:25,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-06 21:08:25,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-06 21:08:25,885 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-06 21:08:25,885 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-06 21:08:25,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2024-11-06 21:08:26,980 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-06 21:08:27,188 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-06 21:08:27,188 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2024-11-06 21:08:27,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df847102f/f5559accb88f4b71b0f44b81b3c12abf/FLAG6aa066968
[2024-11-06 21:08:27,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df847102f/f5559accb88f4b71b0f44b81b3c12abf
[2024-11-06 21:08:27,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-06 21:08:27,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-06 21:08:27,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:27,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-06 21:08:27,561 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-06 21:08:27,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de569ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27, skipping insertion in model container
[2024-11-06 21:08:27,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,576 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-06 21:08:27,705 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_0970a.c[4407,4420]
[2024-11-06 21:08:27,707 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:27,716 INFO L200 MainTranslator]: Completed pre-run
[2024-11-06 21:08:27,740 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_0970a.c[4407,4420]
[2024-11-06 21:08:27,740 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-06 21:08:27,750 INFO L204 MainTranslator]: Completed translation
[2024-11-06 21:08:27,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27 WrapperNode
[2024-11-06 21:08:27,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-06 21:08:27,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:27,752 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-06 21:08:27,752 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-06 21:08:27,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,786 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 240
[2024-11-06 21:08:27,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-06 21:08:27,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-06 21:08:27,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-06 21:08:27,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-06 21:08:27,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,796 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,804 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 21:08:27,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,805 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-06 21:08:27,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-06 21:08:27,826 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-06 21:08:27,826 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-06 21:08:27,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (1/1) ...
[2024-11-06 21:08:27,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-06 21:08:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-06 21:08:27,847 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 21:08:27,849 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 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-06 21:08:27,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3
[2024-11-06 21:08:27,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4
[2024-11-06 21:08:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5
[2024-11-06 21:08:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6
[2024-11-06 21:08:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7
[2024-11-06 21:08:27,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-06 21:08:27,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7
[2024-11-06 21:08:27,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-06 21:08:27,953 INFO L238 CfgBuilder]: Building ICFG
[2024-11-06 21:08:27,954 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-06 21:08:56,398 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live.
[2024-11-06 21:08:56,398 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-06 21:08:56,404 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-06 21:08:56,404 INFO L316 CfgBuilder]: Removed 14 assume(true) statements.
[2024-11-06 21:08:56,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:56 BoogieIcfgContainer
[2024-11-06 21:08:56,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-06 21:08:56,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-06 21:08:56,406 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-06 21:08:56,409 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-06 21:08:56,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:08:27" (1/3) ...
[2024-11-06 21:08:56,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b76ce99 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 21:08:56,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:08:27" (2/3) ...
[2024-11-06 21:08:56,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b76ce99 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 21:08:56,410 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 21:08:56,411 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c
[2024-11-06 21:08:56,419 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-06 21:08:56,419 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-06 21:08:56,453 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-06 21:08:56,471 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;@4c28dc41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-06 21:08:56,471 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-06 21:08:56,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 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 21:08:56,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-06 21:08:56,478 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:56,478 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:56,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:56,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:56,482 INFO L85 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times
[2024-11-06 21:08:56,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:08:56,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2133578464]
[2024-11-06 21:08:56,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:56,488 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 21:08:56,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:08:56,490 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 21:08:56,491 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 21:08:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:56,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-06 21:08:56,943 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:08:56,954 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 21:08:56,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:08:56,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:08:56,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2133578464]
[2024-11-06 21:08:56,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2133578464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:56,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:56,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-06 21:08:56,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918337203]
[2024-11-06 21:08:56,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:56,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-06 21:08:56,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:08:56,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-06 21:08:56,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-06 21:08:56,970 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 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 21:08:56,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:08:56,980 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions.
[2024-11-06 21:08:56,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-06 21:08:56,982 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 21:08:56,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:08:56,987 INFO L225 Difference]: With dead ends: 99
[2024-11-06 21:08:56,987 INFO L226 Difference]: Without dead ends: 47
[2024-11-06 21:08:56,989 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 21:08:56,991 INFO L432 NwaCegarLoop]: 67 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, 67 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 21:08:56,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-06 21:08:57,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-06 21:08:57,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-11-06 21:08:57,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 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 21:08:57,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions.
[2024-11-06 21:08:57,015 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11
[2024-11-06 21:08:57,016 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:08:57,016 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions.
[2024-11-06 21:08:57,016 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 21:08:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions.
[2024-11-06 21:08:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-06 21:08:57,017 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:57,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:57,036 INFO L540 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)] Forceful destruction successful, exit code 0
[2024-11-06 21:08:57,217 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 21:08:57,218 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:57,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:57,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times
[2024-11-06 21:08:57,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:08:57,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1633277207]
[2024-11-06 21:08:57,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:57,219 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 21:08:57,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:08:57,222 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 21:08:57,222 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 21:08:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:57,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-06 21:08:57,644 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:08:57,718 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 21:08:57,718 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:08:57,718 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:08:57,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1633277207]
[2024-11-06 21:08:57,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1633277207] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:57,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:57,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-06 21:08:57,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59617784]
[2024-11-06 21:08:57,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:57,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-06 21:08:57,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:08:57,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-06 21:08:57,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 21:08:57,720 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:08:57,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:08:57,838 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions.
[2024-11-06 21:08:57,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-06 21:08:57,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2024-11-06 21:08:57,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:08:57,839 INFO L225 Difference]: With dead ends: 87
[2024-11-06 21:08:57,839 INFO L226 Difference]: Without dead ends: 47
[2024-11-06 21:08:57,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-06 21:08:57,840 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-06 21:08:57,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-06 21:08:57,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-06 21:08:57,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-11-06 21:08:57,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 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 21:08:57,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions.
[2024-11-06 21:08:57,844 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12
[2024-11-06 21:08:57,844 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:08:57,844 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions.
[2024-11-06 21:08:57,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:08:57,844 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions.
[2024-11-06 21:08:57,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-06 21:08:57,845 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:08:57,845 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:08:57,861 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-06 21:08:58,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:08:58,045 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:08:58,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:08:58,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times
[2024-11-06 21:08:58,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:08:58,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394128920]
[2024-11-06 21:08:58,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:08:58,046 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 21:08:58,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:08:58,049 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:08:58,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-06 21:08:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:08:58,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-06 21:08:58,485 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:08:59,304 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 21:08:59,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:08:59,304 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:08:59,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394128920]
[2024-11-06 21:08:59,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394128920] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:08:59,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:08:59,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-06 21:08:59,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001947308]
[2024-11-06 21:08:59,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:08:59,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 21:08:59,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:08:59,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 21:08:59,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-06 21:08:59,305 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:09:00,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:09:00,340 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions.
[2024-11-06 21:09:00,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-06 21:09:00,341 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-11-06 21:09:00,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:09:00,341 INFO L225 Difference]: With dead ends: 52
[2024-11-06 21:09:00,341 INFO L226 Difference]: Without dead ends: 18
[2024-11-06 21:09:00,342 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-06 21:09:00,342 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 5 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-06 21:09:00,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 47 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-06 21:09:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-06 21:09:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2024-11-06 21:09:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0) internal successors, (17), 17 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:09:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions.
[2024-11-06 21:09:00,344 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16
[2024-11-06 21:09:00,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:09:00,344 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions.
[2024-11-06 21:09:00,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:09:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions.
[2024-11-06 21:09:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-06 21:09:00,344 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-06 21:09:00,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-06 21:09:00,359 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-06 21:09:00,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:09:00,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-06 21:09:00,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-06 21:09:00,547 INFO L85 PathProgramCache]: Analyzing trace with hash -616191433, now seen corresponding path program 1 times
[2024-11-06 21:09:00,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-06 21:09:00,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170650790]
[2024-11-06 21:09:00,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-06 21:09:00,547 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 21:09:00,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-06 21:09:00,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-06 21:09:00,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-06 21:09:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-06 21:09:01,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-06 21:09:01,054 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-06 21:09:02,239 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 21:09:02,239 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-06 21:09:02,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-06 21:09:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170650790]
[2024-11-06 21:09:02,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170650790] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-06 21:09:02,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-06 21:09:02,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-06 21:09:02,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076860699]
[2024-11-06 21:09:02,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-06 21:09:02,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-06 21:09:02,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-06 21:09:02,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-06 21:09:02,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-06 21:09:02,240 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:09:03,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-06 21:09:03,061 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions.
[2024-11-06 21:09:03,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-06 21:09:03,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17
[2024-11-06 21:09:03,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-06 21:09:03,062 INFO L225 Difference]: With dead ends: 18
[2024-11-06 21:09:03,062 INFO L226 Difference]: Without dead ends: 0
[2024-11-06 21:09:03,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-06 21:09:03,062 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 3 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-06 21:09:03,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 43 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-06 21:09:03,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-06 21:09:03,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-06 21:09:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:09:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-06 21:09:03,063 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2024-11-06 21:09:03,063 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-06 21:09:03,063 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-06 21:09:03,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-06 21:09:03,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-06 21:09:03,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-06 21:09:03,065 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-06 21:09:03,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-06 21:09:03,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-06 21:09:03,268 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-06 21:09:03,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-06 21:09:03,502 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-06 21:09:03,509 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:09:03 BoogieIcfgContainer
[2024-11-06 21:09:03,510 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-06 21:09:03,511 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-06 21:09:03,511 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-06 21:09:03,511 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-06 21:09:03,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:08:56" (3/4) ...
[2024-11-06 21:09:03,514 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-06 21:09:03,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges
[2024-11-06 21:09:03,521 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-06 21:09:03,521 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-06 21:09:03,521 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-06 21:09:03,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-06 21:09:03,580 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-06 21:09:03,580 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-06 21:09:03,581 INFO L158 Benchmark]: Toolchain (without parser) took 36023.91ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.2MB in the end (delta: 16.2MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB.
[2024-11-06 21:09:03,581 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:09:03,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.45ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-06 21:09:03,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.61ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:09:03,583 INFO L158 Benchmark]: Boogie Preprocessor took 37.98ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:09:03,583 INFO L158 Benchmark]: RCFGBuilder took 28578.55ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 50.6MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-06 21:09:03,584 INFO L158 Benchmark]: TraceAbstraction took 7104.20ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 82.4MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-06 21:09:03,584 INFO L158 Benchmark]: Witness Printer took 69.37ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 76.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-06 21:09:03,584 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 193.45ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 77.8MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.61ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.98ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 72.3MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 28578.55ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 50.6MB in the end (delta: 21.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 7104.20ms. Allocated memory is still 117.4MB. Free memory was 50.0MB in the beginning and 82.4MB in the end (delta: -32.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 69.37ms. Allocated memory is still 117.4MB. Free memory was 82.4MB in the beginning and 76.2MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. 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
- PositiveResult [Line: 176]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 152 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 11 QuantifiedInterpolants, 245 SizeOfPredicates, 5 NumberOfNonLiveVariables, 255 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 152]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 51]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 127]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 26]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 111]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 42]: Loop Invariant
Derived loop invariant: null
- InvariantResult [Line: 137]: Loop Invariant
Derived loop invariant: null
RESULT: Ultimate proved your program to be correct!
[2024-11-06 21:09:03,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE