./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/float-benchs/filter2_set.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for overflows
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-benchs/filter2_set.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1']
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-benchs/filter2_set.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 20:01:04,822 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 20:01:04,903 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-07 20:01:04,910 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 20:01:04,910 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 20:01:04,937 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 20:01:04,937 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 20:01:04,937 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 20:01:04,938 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 20:01:04,938 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 20:01:04,938 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 20:01:04,940 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 20:01:04,940 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 20:01:04,940 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 20:01:04,940 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 20:01:04,940 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 20:01:04,940 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 20:01:04,941 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 20:01:04,943 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 20:01:04,943 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 20:01:04,943 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 20:01:04,944 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 20:01:04,944 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 ! overflow) )


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 -> 1052e6ec9925823ba5a2ccaaebf89a3336e5de0f5b82a0218158837daebc1dd1
[2024-11-07 20:01:05,221 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 20:01:05,231 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 20:01:05,232 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 20:01:05,233 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 20:01:05,233 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 20:01:05,234 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/filter2_set.c
[2024-11-07 20:01:06,472 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 20:01:06,661 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 20:01:06,664 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-benchs/filter2_set.c
[2024-11-07 20:01:06,670 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2aeb090c/4a1adea62b7e43dfaff35d28e88d4813/FLAG97075354e
[2024-11-07 20:01:06,686 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2aeb090c/4a1adea62b7e43dfaff35d28e88d4813
[2024-11-07 20:01:06,688 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 20:01:06,690 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 20:01:06,691 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 20:01:06,691 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 20:01:06,695 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 20:01:06,696 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,698 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326fa0a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06, skipping insertion in model container
[2024-11-07 20:01:06,698 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,710 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 20:01:06,858 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 20:01:06,865 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 20:01:06,886 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 20:01:06,899 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 20:01:06,900 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06 WrapperNode
[2024-11-07 20:01:06,900 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 20:01:06,902 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 20:01:06,902 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 20:01:06,902 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 20:01:06,907 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,913 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,926 INFO  L138                Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80
[2024-11-07 20:01:06,926 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 20:01:06,927 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 20:01:06,927 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 20:01:06,927 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 20:01:06,933 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,933 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,934 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,943 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-07 20:01:06,944 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,944 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,947 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,952 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,955 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,956 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,957 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 20:01:06,959 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 20:01:06,959 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 20:01:06,960 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 20:01:06,960 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (1/1) ...
[2024-11-07 20:01:06,965 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 20:01:06,978 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:01:06,991 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)
[2024-11-07 20:01:06,994 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
[2024-11-07 20:01:07,018 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 20:01:07,018 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 20:01:07,018 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 20:01:07,018 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 20:01:07,018 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 20:01:07,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 20:01:07,086 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 20:01:07,088 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 20:01:07,228 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-07 20:01:07,229 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 20:01:07,241 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 20:01:07,243 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 20:01:07,243 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:07 BoogieIcfgContainer
[2024-11-07 20:01:07,243 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 20:01:07,246 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 20:01:07,247 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 20:01:07,252 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 20:01:07,252 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:01:06" (1/3) ...
[2024-11-07 20:01:07,252 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a7c5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:07, skipping insertion in model container
[2024-11-07 20:01:07,253 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:01:06" (2/3) ...
[2024-11-07 20:01:07,253 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41a7c5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:01:07, skipping insertion in model container
[2024-11-07 20:01:07,253 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:07" (3/3) ...
[2024-11-07 20:01:07,254 INFO  L112   eAbstractionObserver]: Analyzing ICFG filter2_set.c
[2024-11-07 20:01:07,267 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 20:01:07,267 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-11-07 20:01:07,319 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 20:01:07,331 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;@31aa446a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 20:01:07,331 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-07 20:01:07,336 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 31 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-07 20:01:07,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-11-07 20:01:07,343 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:01:07,344 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:01:07,345 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:01:07,349 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:01:07,349 INFO  L85        PathProgramCache]: Analyzing trace with hash 223660884, now seen corresponding path program 1 times
[2024-11-07 20:01:07,355 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:01:07,356 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408277373]
[2024-11-07 20:01:07,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:01:07,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:01:07,446 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,505 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 20:01:07,508 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,517 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-07 20:01:07,522 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,525 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-07 20:01:07,529 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,532 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-07 20:01:07,536 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,540 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 20:01:07,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,563 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 20:01:07,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,567 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-07 20:01:07,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,576 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 20:01:07,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,584 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-07 20:01:07,584 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:01:07,584 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408277373]
[2024-11-07 20:01:07,585 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408277373] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:01:07,585 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:01:07,585 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 20:01:07,586 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979539205]
[2024-11-07 20:01:07,587 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:01:07,590 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 20:01:07,592 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:01:07,605 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 20:01:07,606 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 20:01:07,607 INFO  L87              Difference]: Start difference. First operand  has 31 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-07 20:01:07,619 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:01:07,620 INFO  L93              Difference]: Finished difference Result 58 states and 85 transitions.
[2024-11-07 20:01:07,620 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 20:01:07,621 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50
[2024-11-07 20:01:07,621 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:01:07,625 INFO  L225             Difference]: With dead ends: 58
[2024-11-07 20:01:07,625 INFO  L226             Difference]: Without dead ends: 25
[2024-11-07 20:01:07,628 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 20:01:07,632 INFO  L432           NwaCegarLoop]: 37 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, 37 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
[2024-11-07 20:01:07,634 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:01:07,649 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-07 20:01:07,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-07 20:01:07,667 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-07 20:01:07,673 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions.
[2024-11-07 20:01:07,677 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 32 transitions. Word has length 50
[2024-11-07 20:01:07,677 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:01:07,677 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 32 transitions.
[2024-11-07 20:01:07,678 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-07 20:01:07,678 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions.
[2024-11-07 20:01:07,679 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-11-07 20:01:07,679 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:01:07,679 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:01:07,679 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 20:01:07,679 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:01:07,680 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:01:07,680 INFO  L85        PathProgramCache]: Analyzing trace with hash 37994256, now seen corresponding path program 1 times
[2024-11-07 20:01:07,682 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:01:07,682 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621394747]
[2024-11-07 20:01:07,682 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:01:07,682 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:01:07,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,877 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 20:01:07,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,883 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-07 20:01:07,891 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,894 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-07 20:01:07,899 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,902 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-07 20:01:07,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,909 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 20:01:07,914 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,916 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 20:01:07,917 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,923 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-07 20:01:07,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,931 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 20:01:07,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:07,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-07 20:01:07,948 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:01:07,948 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621394747]
[2024-11-07 20:01:07,948 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621394747] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:01:07,948 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:01:07,948 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 20:01:07,949 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309790552]
[2024-11-07 20:01:07,949 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:01:07,950 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 20:01:07,950 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:01:07,954 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 20:01:07,954 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:01:07,954 INFO  L87              Difference]: Start difference. First operand 25 states and 32 transitions. Second operand  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-07 20:01:07,999 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:01:08,000 INFO  L93              Difference]: Finished difference Result 35 states and 43 transitions.
[2024-11-07 20:01:08,000 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 20:01:08,000 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 50
[2024-11-07 20:01:08,001 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:01:08,001 INFO  L225             Difference]: With dead ends: 35
[2024-11-07 20:01:08,001 INFO  L226             Difference]: Without dead ends: 33
[2024-11-07 20:01:08,002 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:01:08,002 INFO  L432           NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:01:08,002 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 79 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:01:08,003 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-07 20:01:08,012 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2024-11-07 20:01:08,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 22 states have internal predecessors, (23), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 20:01:08,015 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions.
[2024-11-07 20:01:08,016 INFO  L78                 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 50
[2024-11-07 20:01:08,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:01:08,016 INFO  L471      AbstractCegarLoop]: Abstraction has 33 states and 41 transitions.
[2024-11-07 20:01:08,017 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8)
[2024-11-07 20:01:08,017 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions.
[2024-11-07 20:01:08,018 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2024-11-07 20:01:08,018 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:01:08,020 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:01:08,020 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 20:01:08,020 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:01:08,020 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:01:08,021 INFO  L85        PathProgramCache]: Analyzing trace with hash 1387064156, now seen corresponding path program 1 times
[2024-11-07 20:01:08,021 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:01:08,021 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283935972]
[2024-11-07 20:01:08,021 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:01:08,021 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:01:08,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,226 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 20:01:08,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,232 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-07 20:01:08,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,236 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-07 20:01:08,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,239 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-07 20:01:08,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,244 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 20:01:08,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,249 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 20:01:08,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,267 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-07 20:01:08,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,270 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 20:01:08,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,273 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-07 20:01:08,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,277 INFO  L134       CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-07 20:01:08,277 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:01:08,277 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283935972]
[2024-11-07 20:01:08,277 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283935972] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:01:08,277 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102492287]
[2024-11-07 20:01:08,278 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:01:08,278 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:01:08,278 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:01:08,280 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-07 20:01:08,282 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-07 20:01:08,376 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,378 INFO  L255         TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 20:01:08,382 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:01:08,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 151 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked.
[2024-11-07 20:01:08,472 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 20:01:08,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [102492287] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:01:08,473 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-07 20:01:08,473 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2024-11-07 20:01:08,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655742650]
[2024-11-07 20:01:08,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:01:08,474 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 20:01:08,476 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:01:08,477 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 20:01:08,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-07 20:01:08,477 INFO  L87              Difference]: Start difference. First operand 33 states and 41 transitions. Second operand  has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 20:01:08,503 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:01:08,503 INFO  L93              Difference]: Finished difference Result 33 states and 41 transitions.
[2024-11-07 20:01:08,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 20:01:08,504 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 62
[2024-11-07 20:01:08,504 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:01:08,505 INFO  L225             Difference]: With dead ends: 33
[2024-11-07 20:01:08,506 INFO  L226             Difference]: Without dead ends: 32
[2024-11-07 20:01:08,507 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-07 20:01:08,507 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:01:08,508 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:01:08,509 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-07 20:01:08,514 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-11-07 20:01:08,516 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 32 states, 21 states have (on average 1.0476190476190477) internal successors, (22), 21 states have internal predecessors, (22), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 20:01:08,517 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions.
[2024-11-07 20:01:08,517 INFO  L78                 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 62
[2024-11-07 20:01:08,518 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:01:08,518 INFO  L471      AbstractCegarLoop]: Abstraction has 32 states and 40 transitions.
[2024-11-07 20:01:08,518 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 20:01:08,518 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions.
[2024-11-07 20:01:08,519 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2024-11-07 20:01:08,519 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:01:08,519 INFO  L215           NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:01:08,533 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-07 20:01:08,720 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:01:08,720 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-07 20:01:08,720 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:01:08,720 INFO  L85        PathProgramCache]: Analyzing trace with hash 49315945, now seen corresponding path program 1 times
[2024-11-07 20:01:08,720 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:01:08,721 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210963360]
[2024-11-07 20:01:08,721 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:01:08,721 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:01:08,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,804 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 20:01:08,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,807 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-07 20:01:08,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,810 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-07 20:01:08,810 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,813 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-07 20:01:08,814 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,816 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 20:01:08,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,818 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 20:01:08,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,820 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2024-11-07 20:01:08,821 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,822 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 20:01:08,823 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,829 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-07 20:01:08,830 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:01:08,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked.
[2024-11-07 20:01:08,835 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:01:08,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210963360]
[2024-11-07 20:01:08,836 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210963360] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:01:08,836 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:01:08,836 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 20:01:08,836 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880686408]
[2024-11-07 20:01:08,836 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:01:08,836 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 20:01:08,836 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:01:08,837 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 20:01:08,837 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:01:08,837 INFO  L87              Difference]: Start difference. First operand 32 states and 40 transitions. Second operand  has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 20:01:08,860 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:01:08,862 INFO  L93              Difference]: Finished difference Result 32 states and 40 transitions.
[2024-11-07 20:01:08,863 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 20:01:08,863 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63
[2024-11-07 20:01:08,863 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:01:08,863 INFO  L225             Difference]: With dead ends: 32
[2024-11-07 20:01:08,863 INFO  L226             Difference]: Without dead ends: 0
[2024-11-07 20:01:08,864 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:01:08,864 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:01:08,865 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:01:08,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-07 20:01:08,865 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-07 20:01:08,865 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)
[2024-11-07 20:01:08,866 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-07 20:01:08,867 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63
[2024-11-07 20:01:08,867 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:01:08,867 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 20:01:08,867 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)
[2024-11-07 20:01:08,867 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-07 20:01:08,867 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-07 20:01:08,869 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-07 20:01:08,869 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-07 20:01:08,869 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-07 20:01:08,875 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-07 20:01:08,877 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-07 20:01:08,919 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 20:01:08,934 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:01:08 BoogieIcfgContainer
[2024-11-07 20:01:08,934 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 20:01:08,934 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 20:01:08,934 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 20:01:08,935 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 20:01:08,935 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:01:07" (3/4) ...
[2024-11-07 20:01:08,937 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 20:01:08,941 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-07 20:01:08,945 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-07 20:01:08,945 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-07 20:01:08,945 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-07 20:01:08,945 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 20:01:09,015 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 20:01:09,015 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 20:01:09,015 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 20:01:09,015 INFO  L158              Benchmark]: Toolchain (without parser) took 2325.88ms. Allocated memory is still 100.7MB. Free memory was 76.9MB in the beginning and 37.2MB in the end (delta: 39.7MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB.
[2024-11-07 20:01:09,016 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:01:09,016 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 209.65ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 65.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 20:01:09,016 INFO  L158              Benchmark]: Boogie Procedure Inliner took 24.65ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 64.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:01:09,017 INFO  L158              Benchmark]: Boogie Preprocessor took 30.47ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 63.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:01:09,017 INFO  L158              Benchmark]: RCFGBuilder took 284.01ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 52.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 20:01:09,017 INFO  L158              Benchmark]: TraceAbstraction took 1687.57ms. Allocated memory is still 100.7MB. Free memory was 52.3MB in the beginning and 42.1MB in the end (delta: 10.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB.
[2024-11-07 20:01:09,018 INFO  L158              Benchmark]: Witness Printer took 80.50ms. Allocated memory is still 100.7MB. Free memory was 42.1MB in the beginning and 37.2MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 20:01:09,020 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 209.65ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 65.7MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 24.65ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 64.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.47ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 63.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 284.01ms. Allocated memory is still 100.7MB. Free memory was 63.0MB in the beginning and 52.9MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1687.57ms. Allocated memory is still 100.7MB. Free memory was 52.3MB in the beginning and 42.1MB in the end (delta: 10.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB.
 * Witness Printer took 80.50ms. Allocated memory is still 100.7MB. Free memory was 42.1MB in the beginning and 37.2MB in the end (delta: 4.9MB). 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: 46]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 46]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 31 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 258 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 141 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 117 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 150 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=2, InterpolantAutomatonStates: 14, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 145 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 671/678 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
    2 specifications checked. All of them hold
  - InvariantResult [Line: 46]: Loop Invariant
    Derived loop invariant: (0 < (2147483649 + i))
RESULT: Ultimate proved your program to be correct!
[2024-11-07 20:01:09,046 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE