./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/sum04-2.i --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/loops/sum04-2.i', '-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', 'aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2']
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/loops/sum04-2.i -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 aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 20:06:20,412 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 20:06:20,504 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-07 20:06:20,509 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 20:06:20,509 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 20:06:20,527 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 20:06:20,528 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 20:06:20,528 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 20:06:20,528 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 20:06:20,528 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 20:06:20,529 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 20:06:20,529 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 20:06:20,529 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 20:06:20,529 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 20:06:20,531 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 20:06:20,531 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 20:06:20,532 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 20:06:20,532 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 20:06:20,532 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 20:06:20,533 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 20:06:20,533 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 20:06:20,533 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 -> aaea6fef281249794f41087d72bdcfa92bd0b0609c0833888767b94608daa7f2
[2024-11-07 20:06:20,794 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 20:06:20,805 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 20:06:20,807 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 20:06:20,808 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 20:06:20,808 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 20:06:20,810 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum04-2.i
[2024-11-07 20:06:22,023 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 20:06:22,215 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 20:06:22,216 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/loops/sum04-2.i
[2024-11-07 20:06:22,220 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17b0208fd/95a33730e41543d1a73c905e3f06212e/FLAGb83492c62
[2024-11-07 20:06:22,237 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/17b0208fd/95a33730e41543d1a73c905e3f06212e
[2024-11-07 20:06:22,240 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 20:06:22,242 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 20:06:22,243 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 20:06:22,243 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 20:06:22,247 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 20:06:22,248 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,248 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407b86c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22, skipping insertion in model container
[2024-11-07 20:06:22,249 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,261 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 20:06:22,395 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 20:06:22,404 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 20:06:22,416 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 20:06:22,427 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 20:06:22,430 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22 WrapperNode
[2024-11-07 20:06:22,430 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 20:06:22,431 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 20:06:22,431 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 20:06:22,431 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 20:06:22,437 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,443 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,458 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32
[2024-11-07 20:06:22,458 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 20:06:22,459 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 20:06:22,459 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 20:06:22,459 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 20:06:22,468 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,468 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,469 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,482 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 20:06:22,482 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,482 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,484 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,490 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,491 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,491 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,492 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 20:06:22,493 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 20:06:22,493 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 20:06:22,493 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 20:06:22,495 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (1/1) ...
[2024-11-07 20:06:22,499 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 20:06:22,512 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:22,526 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 20:06:22,532 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 20:06:22,553 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 20:06:22,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 20:06:22,553 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 20:06:22,553 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 20:06:22,615 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 20:06:22,618 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 20:06:22,728 INFO  L?                        ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-07 20:06:22,729 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 20:06:22,739 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 20:06:22,739 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 20:06:22,739 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:06:22 BoogieIcfgContainer
[2024-11-07 20:06:22,740 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 20:06:22,742 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 20:06:22,743 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 20:06:22,747 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 20:06:22,747 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:06:22" (1/3) ...
[2024-11-07 20:06:22,748 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fa960f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:06:22, skipping insertion in model container
[2024-11-07 20:06:22,748 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:06:22" (2/3) ...
[2024-11-07 20:06:22,748 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11fa960f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:06:22, skipping insertion in model container
[2024-11-07 20:06:22,748 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:06:22" (3/3) ...
[2024-11-07 20:06:22,750 INFO  L112   eAbstractionObserver]: Analyzing ICFG sum04-2.i
[2024-11-07 20:06:22,764 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 20:06:22,764 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-07 20:06:22,813 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 20:06:22,825 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;@6c2b9ffa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 20:06:22,825 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-07 20:06:22,829 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:22,834 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-07 20:06:22,835 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:22,836 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-07 20:06:22,836 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:22,840 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:22,842 INFO  L85        PathProgramCache]: Analyzing trace with hash 925764, now seen corresponding path program 1 times
[2024-11-07 20:06:22,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:22,849 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970943546]
[2024-11-07 20:06:22,849 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:22,850 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:22,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:23,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,001 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:23,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970943546]
[2024-11-07 20:06:23,003 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970943546] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:06:23,003 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:06:23,004 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 20:06:23,005 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806094922]
[2024-11-07 20:06:23,005 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:06:23,008 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 20:06:23,008 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:23,027 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 20:06:23,028 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 20:06:23,029 INFO  L87              Difference]: Start difference. First operand  has 21 states, 16 states have (on average 1.5) internal successors, (24), 20 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 20:06:23,075 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:23,076 INFO  L93              Difference]: Finished difference Result 35 states and 41 transitions.
[2024-11-07 20:06:23,080 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 20:06:23,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2024-11-07 20:06:23,082 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:23,087 INFO  L225             Difference]: With dead ends: 35
[2024-11-07 20:06:23,088 INFO  L226             Difference]: Without dead ends: 15
[2024-11-07 20:06:23,090 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 20:06:23,094 INFO  L432           NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:23,099 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 30 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:23,110 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-11-07 20:06:23,122 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-11-07 20:06:23,124 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:23,128 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-11-07 20:06:23,129 INFO  L78                 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 4
[2024-11-07 20:06:23,130 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:23,130 INFO  L471      AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2024-11-07 20:06:23,130 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 20:06:23,130 INFO  L276                IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-11-07 20:06:23,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-07 20:06:23,130 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:23,131 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:06:23,132 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 20:06:23,132 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:23,133 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:23,133 INFO  L85        PathProgramCache]: Analyzing trace with hash 1809675306, now seen corresponding path program 1 times
[2024-11-07 20:06:23,133 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:23,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603443992]
[2024-11-07 20:06:23,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:23,134 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:23,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:23,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,239 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:23,239 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603443992]
[2024-11-07 20:06:23,239 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603443992] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:06:23,239 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:06:23,240 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 20:06:23,240 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616706534]
[2024-11-07 20:06:23,240 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:06:23,241 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 20:06:23,241 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:23,241 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 20:06:23,241 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:06:23,242 INFO  L87              Difference]: Start difference. First operand 15 states and 15 transitions. Second operand  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 20:06:23,281 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:23,281 INFO  L93              Difference]: Finished difference Result 20 states and 20 transitions.
[2024-11-07 20:06:23,281 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 20:06:23,281 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2024-11-07 20:06:23,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:23,282 INFO  L225             Difference]: With dead ends: 20
[2024-11-07 20:06:23,282 INFO  L226             Difference]: Without dead ends: 18
[2024-11-07 20:06:23,282 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:06:23,283 INFO  L432           NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:23,283 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:23,283 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-07 20:06:23,285 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2024-11-07 20:06:23,286 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 18 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:23,287 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions.
[2024-11-07 20:06:23,287 INFO  L78                 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 7
[2024-11-07 20:06:23,287 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:23,287 INFO  L471      AbstractCegarLoop]: Abstraction has 18 states and 18 transitions.
[2024-11-07 20:06:23,288 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 20:06:23,288 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions.
[2024-11-07 20:06:23,288 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-07 20:06:23,288 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:23,288 INFO  L215           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:06:23,288 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 20:06:23,289 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:23,289 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:23,289 INFO  L85        PathProgramCache]: Analyzing trace with hash 1607590986, now seen corresponding path program 1 times
[2024-11-07 20:06:23,289 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:23,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182443143]
[2024-11-07 20:06:23,290 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:23,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:23,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:23,380 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:23,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182443143]
[2024-11-07 20:06:23,381 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182443143] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:06:23,381 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303144162]
[2024-11-07 20:06:23,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:23,381 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:23,382 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:23,384 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 20:06:23,386 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 20:06:23,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:23,430 INFO  L255         TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 20:06:23,433 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:06:23,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,487 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 20:06:23,488 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [303144162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:06:23,489 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-07 20:06:23,489 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2024-11-07 20:06:23,489 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429668701]
[2024-11-07 20:06:23,489 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:06:23,490 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 20:06:23,490 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:23,490 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 20:06:23,490 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 20:06:23,490 INFO  L87              Difference]: Start difference. First operand 18 states and 18 transitions. Second operand  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:23,509 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:23,510 INFO  L93              Difference]: Finished difference Result 18 states and 18 transitions.
[2024-11-07 20:06:23,511 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 20:06:23,511 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-07 20:06:23,511 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:23,512 INFO  L225             Difference]: With dead ends: 18
[2024-11-07 20:06:23,512 INFO  L226             Difference]: Without dead ends: 17
[2024-11-07 20:06:23,512 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 20:06:23,512 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:23,513 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 11 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:23,513 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2024-11-07 20:06:23,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2024-11-07 20:06:23,519 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 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)
[2024-11-07 20:06:23,519 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions.
[2024-11-07 20:06:23,520 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10
[2024-11-07 20:06:23,520 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:23,520 INFO  L471      AbstractCegarLoop]: Abstraction has 17 states and 17 transitions.
[2024-11-07 20:06:23,520 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:23,521 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions.
[2024-11-07 20:06:23,521 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 20:06:23,521 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:23,521 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 20:06:23,541 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 20:06:23,722 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 20:06:23,722 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:23,723 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:23,723 INFO  L85        PathProgramCache]: Analyzing trace with hash -1704286942, now seen corresponding path program 1 times
[2024-11-07 20:06:23,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:23,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155077345]
[2024-11-07 20:06:23,724 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:23,724 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:23,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:23,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,797 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:23,797 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155077345]
[2024-11-07 20:06:23,797 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155077345] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:06:23,797 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931175024]
[2024-11-07 20:06:23,797 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:23,797 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:23,797 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:23,802 INFO  L229       MonitoredProcess]: Starting monitored process 3 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 20:06:23,803 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-07 20:06:23,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:23,839 INFO  L255         TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 20:06:23,840 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:06:23,868 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,868 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 20:06:23,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:23,914 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [931175024] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 20:06:23,914 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 20:06:23,914 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2024-11-07 20:06:23,914 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221530540]
[2024-11-07 20:06:23,914 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 20:06:23,914 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-07 20:06:23,914 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:23,915 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-07 20:06:23,915 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-07 20:06:23,915 INFO  L87              Difference]: Start difference. First operand 17 states and 17 transitions. Second operand  has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:23,946 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:23,946 INFO  L93              Difference]: Finished difference Result 37 states and 39 transitions.
[2024-11-07 20:06:23,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-07 20:06:23,947 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2024-11-07 20:06:23,947 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:23,947 INFO  L225             Difference]: With dead ends: 37
[2024-11-07 20:06:23,947 INFO  L226             Difference]: Without dead ends: 36
[2024-11-07 20:06:23,947 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-07 20:06:23,948 INFO  L432           NwaCegarLoop]: 9 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 36 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 20:06:23,948 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 36 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:23,949 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36 states.
[2024-11-07 20:06:23,955 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32.
[2024-11-07 20:06:23,956 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 32 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 31 states have internal predecessors, (36), 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 20:06:23,958 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions.
[2024-11-07 20:06:23,958 INFO  L78                 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 11
[2024-11-07 20:06:23,958 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:23,958 INFO  L471      AbstractCegarLoop]: Abstraction has 32 states and 36 transitions.
[2024-11-07 20:06:23,958 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.166666666666667) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:23,959 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions.
[2024-11-07 20:06:23,959 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 20:06:23,959 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:23,959 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-07 20:06:23,976 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-07 20:06:24,159 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:24,160 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:24,161 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:24,161 INFO  L85        PathProgramCache]: Analyzing trace with hash -1437210012, now seen corresponding path program 1 times
[2024-11-07 20:06:24,162 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:24,162 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613896319]
[2024-11-07 20:06:24,162 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:24,162 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:24,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:24,268 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:24,268 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:24,268 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613896319]
[2024-11-07 20:06:24,269 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613896319] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:06:24,269 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937593128]
[2024-11-07 20:06:24,269 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:24,269 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:24,269 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:24,271 INFO  L229       MonitoredProcess]: Starting monitored process 4 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 20:06:24,272 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-07 20:06:24,305 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:24,307 INFO  L255         TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 20:06:24,308 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:06:24,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:24,369 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 20:06:24,369 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937593128] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:06:24,369 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-07 20:06:24,369 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-07 20:06:24,369 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457848676]
[2024-11-07 20:06:24,369 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:06:24,369 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-07 20:06:24,369 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:24,370 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-07 20:06:24,370 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-07 20:06:24,370 INFO  L87              Difference]: Start difference. First operand 32 states and 36 transitions. Second operand  has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:24,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:24,406 INFO  L93              Difference]: Finished difference Result 32 states and 36 transitions.
[2024-11-07 20:06:24,407 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-07 20:06:24,407 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-07 20:06:24,407 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:24,408 INFO  L225             Difference]: With dead ends: 32
[2024-11-07 20:06:24,408 INFO  L226             Difference]: Without dead ends: 31
[2024-11-07 20:06:24,409 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-07 20:06:24,410 INFO  L432           NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:24,410 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:24,411 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-07 20:06:24,416 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2024-11-07 20:06:24,417 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 30 states have internal predecessors, (33), 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 20:06:24,417 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions.
[2024-11-07 20:06:24,417 INFO  L78                 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 13
[2024-11-07 20:06:24,417 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:24,417 INFO  L471      AbstractCegarLoop]: Abstraction has 31 states and 33 transitions.
[2024-11-07 20:06:24,417 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:24,417 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions.
[2024-11-07 20:06:24,418 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 20:06:24,418 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:24,418 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1]
[2024-11-07 20:06:24,434 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-07 20:06:24,618 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:24,619 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:24,619 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:24,619 INFO  L85        PathProgramCache]: Analyzing trace with hash -1603837362, now seen corresponding path program 1 times
[2024-11-07 20:06:24,619 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:24,620 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446113974]
[2024-11-07 20:06:24,620 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:24,620 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:24,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:24,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-07 20:06:24,691 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:24,691 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446113974]
[2024-11-07 20:06:24,691 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446113974] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:06:24,691 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 20:06:24,691 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 20:06:24,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723626805]
[2024-11-07 20:06:24,692 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:06:24,692 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 20:06:24,692 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:24,693 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 20:06:24,693 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 20:06:24,694 INFO  L87              Difference]: Start difference. First operand 31 states and 33 transitions. Second operand  has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 20:06:24,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:24,708 INFO  L93              Difference]: Finished difference Result 31 states and 33 transitions.
[2024-11-07 20:06:24,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 20:06:24,708 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14
[2024-11-07 20:06:24,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:24,709 INFO  L225             Difference]: With dead ends: 31
[2024-11-07 20:06:24,709 INFO  L226             Difference]: Without dead ends: 30
[2024-11-07 20:06:24,710 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:06:24,711 INFO  L432           NwaCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:24,711 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 10 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:24,713 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2024-11-07 20:06:24,715 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2024-11-07 20:06:24,715 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 30 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 29 states have internal predecessors, (30), 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 20:06:24,716 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions.
[2024-11-07 20:06:24,716 INFO  L78                 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 14
[2024-11-07 20:06:24,716 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:24,716 INFO  L471      AbstractCegarLoop]: Abstraction has 30 states and 30 transitions.
[2024-11-07 20:06:24,716 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 20:06:24,717 INFO  L276                IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions.
[2024-11-07 20:06:24,718 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-11-07 20:06:24,718 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:24,718 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 1, 1, 1]
[2024-11-07 20:06:24,718 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-07 20:06:24,718 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:24,718 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:24,718 INFO  L85        PathProgramCache]: Analyzing trace with hash -287332784, now seen corresponding path program 2 times
[2024-11-07 20:06:24,718 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:24,718 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333041523]
[2024-11-07 20:06:24,718 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:24,719 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:24,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:24,835 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:24,835 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:24,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333041523]
[2024-11-07 20:06:24,835 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333041523] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:06:24,835 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798802482]
[2024-11-07 20:06:24,835 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-07 20:06:24,835 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:24,835 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:24,837 INFO  L229       MonitoredProcess]: Starting monitored process 5 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 20:06:24,838 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-07 20:06:24,879 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-07 20:06:24,879 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 20:06:24,880 INFO  L255         TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 20:06:24,882 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:06:24,971 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:24,971 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 20:06:25,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:25,079 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [798802482] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 20:06:25,079 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 20:06:25,079 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2024-11-07 20:06:25,079 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251717951]
[2024-11-07 20:06:25,080 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 20:06:25,080 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-07 20:06:25,080 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:25,080 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-07 20:06:25,081 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-11-07 20:06:25,081 INFO  L87              Difference]: Start difference. First operand 30 states and 30 transitions. Second operand  has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 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)
[2024-11-07 20:06:25,127 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:25,127 INFO  L93              Difference]: Finished difference Result 67 states and 72 transitions.
[2024-11-07 20:06:25,127 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-07 20:06:25,128 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 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) Word has length 29
[2024-11-07 20:06:25,128 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:25,128 INFO  L225             Difference]: With dead ends: 67
[2024-11-07 20:06:25,128 INFO  L226             Difference]: Without dead ends: 66
[2024-11-07 20:06:25,129 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-11-07 20:06:25,129 INFO  L432           NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:25,129 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 50 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 20:06:25,130 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-11-07 20:06:25,134 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2024-11-07 20:06:25,134 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 66 states, 65 states have (on average 1.0153846153846153) internal successors, (66), 65 states have internal predecessors, (66), 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 20:06:25,137 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions.
[2024-11-07 20:06:25,137 INFO  L78                 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 29
[2024-11-07 20:06:25,137 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:25,137 INFO  L471      AbstractCegarLoop]: Abstraction has 66 states and 66 transitions.
[2024-11-07 20:06:25,137 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 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)
[2024-11-07 20:06:25,138 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions.
[2024-11-07 20:06:25,139 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-07 20:06:25,140 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:25,140 INFO  L215           NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 1, 1, 1]
[2024-11-07 20:06:25,157 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-07 20:06:25,341 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-07 20:06:25,341 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:25,342 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:25,342 INFO  L85        PathProgramCache]: Analyzing trace with hash -1123780052, now seen corresponding path program 3 times
[2024-11-07 20:06:25,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:25,342 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405366482]
[2024-11-07 20:06:25,342 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:25,342 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:25,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:25,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:25,616 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:25,616 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405366482]
[2024-11-07 20:06:25,616 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405366482] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:06:25,616 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626920151]
[2024-11-07 20:06:25,616 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-07 20:06:25,616 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:25,616 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:25,618 INFO  L229       MonitoredProcess]: Starting monitored process 6 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 20:06:25,619 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-07 20:06:25,669 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-11-07 20:06:25,669 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 20:06:25,673 INFO  L255         TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-11-07 20:06:25,676 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:06:25,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:25,804 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 20:06:26,147 INFO  L134       CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:26,148 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [626920151] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 20:06:26,149 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 20:06:26,149 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24
[2024-11-07 20:06:26,149 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204091042]
[2024-11-07 20:06:26,149 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 20:06:26,150 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-07 20:06:26,150 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:26,151 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-07 20:06:26,153 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600
[2024-11-07 20:06:26,154 INFO  L87              Difference]: Start difference. First operand 66 states and 66 transitions. Second operand  has 25 states, 24 states have (on average 5.541666666666667) internal successors, (133), 25 states have internal predecessors, (133), 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 20:06:26,258 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:26,259 INFO  L93              Difference]: Finished difference Result 139 states and 150 transitions.
[2024-11-07 20:06:26,259 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-11-07 20:06:26,259 INFO  L78                 Accepts]: Start accepts. Automaton has  has 25 states, 24 states have (on average 5.541666666666667) internal successors, (133), 25 states have internal predecessors, (133), 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 65
[2024-11-07 20:06:26,260 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:26,261 INFO  L225             Difference]: With dead ends: 139
[2024-11-07 20:06:26,261 INFO  L226             Difference]: Without dead ends: 138
[2024-11-07 20:06:26,261 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600
[2024-11-07 20:06:26,262 INFO  L432           NwaCegarLoop]: 7 mSDtfsCounter, 3 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:26,262 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 104 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 20:06:26,263 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-07 20:06:26,273 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138.
[2024-11-07 20:06:26,273 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 138 states, 137 states have (on average 1.0072992700729928) internal successors, (138), 137 states have internal predecessors, (138), 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 20:06:26,274 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions.
[2024-11-07 20:06:26,275 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 65
[2024-11-07 20:06:26,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:26,275 INFO  L471      AbstractCegarLoop]: Abstraction has 138 states and 138 transitions.
[2024-11-07 20:06:26,275 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 24 states have (on average 5.541666666666667) internal successors, (133), 25 states have internal predecessors, (133), 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 20:06:26,275 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions.
[2024-11-07 20:06:26,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-11-07 20:06:26,279 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 20:06:26,279 INFO  L215           NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 22, 1, 1, 1]
[2024-11-07 20:06:26,297 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-07 20:06:26,479 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:26,480 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-07 20:06:26,480 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 20:06:26,480 INFO  L85        PathProgramCache]: Analyzing trace with hash -1468405788, now seen corresponding path program 4 times
[2024-11-07 20:06:26,480 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 20:06:26,480 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632662619]
[2024-11-07 20:06:26,480 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 20:06:26,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 20:06:26,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 20:06:27,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 1452 backedges. 0 proven. 1452 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 20:06:27,191 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 20:06:27,191 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632662619]
[2024-11-07 20:06:27,191 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632662619] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 20:06:27,191 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605983108]
[2024-11-07 20:06:27,191 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-07 20:06:27,191 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 20:06:27,192 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 20:06:27,194 INFO  L229       MonitoredProcess]: Starting monitored process 7 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 20:06:27,196 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-07 20:06:27,276 INFO  L227   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-07 20:06:27,276 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 20:06:27,279 INFO  L255         TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-07 20:06:27,282 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 20:06:27,713 INFO  L134       CoverageAnalysis]: Checked inductivity of 1452 backedges. 878 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked.
[2024-11-07 20:06:27,713 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 20:06:27,713 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [605983108] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 20:06:27,714 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-07 20:06:27,714 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [24] total 42
[2024-11-07 20:06:27,714 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125671487]
[2024-11-07 20:06:27,714 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 20:06:27,715 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-07 20:06:27,715 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 20:06:27,715 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-07 20:06:27,716 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=398, Invalid=1324, Unknown=0, NotChecked=0, Total=1722
[2024-11-07 20:06:27,717 INFO  L87              Difference]: Start difference. First operand 138 states and 138 transitions. Second operand  has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:27,839 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 20:06:27,840 INFO  L93              Difference]: Finished difference Result 138 states and 138 transitions.
[2024-11-07 20:06:27,840 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-07 20:06:27,840 INFO  L78                 Accepts]: Start accepts. Automaton has  has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137
[2024-11-07 20:06:27,841 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 20:06:27,841 INFO  L225             Difference]: With dead ends: 138
[2024-11-07 20:06:27,841 INFO  L226             Difference]: Without dead ends: 0
[2024-11-07 20:06:27,842 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=398, Invalid=1324, Unknown=0, NotChecked=0, Total=1722
[2024-11-07 20:06:27,844 INFO  L432           NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 20:06:27,845 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 20:06:27,845 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-07 20:06:27,846 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-07 20:06:27,847 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 20:06:27,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-07 20:06:27,847 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 137
[2024-11-07 20:06:27,847 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 20:06:27,847 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-07 20:06:27,847 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 3.0526315789473686) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 20:06:27,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-07 20:06:27,847 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-07 20:06:27,849 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-07 20:06:27,850 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-07 20:06:27,850 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-07 20:06:27,850 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-07 20:06:27,867 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-07 20:06:28,050 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2024-11-07 20:06:28,053 INFO  L407         BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1]
[2024-11-07 20:06:28,055 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-07 20:06:28,119 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 20:06:28,130 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:06:28 BoogieIcfgContainer
[2024-11-07 20:06:28,130 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 20:06:28,130 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 20:06:28,130 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 20:06:28,131 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 20:06:28,131 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:06:22" (3/4) ...
[2024-11-07 20:06:28,133 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-07 20:06:28,139 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-11-07 20:06:28,139 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-07 20:06:28,139 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-07 20:06:28,139 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-07 20:06:28,193 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-07 20:06:28,193 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-07 20:06:28,193 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 20:06:28,194 INFO  L158              Benchmark]: Toolchain (without parser) took 5952.37ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 91.7MB in the beginning and 75.9MB in the end (delta: 15.8MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB.
[2024-11-07 20:06:28,194 INFO  L158              Benchmark]: CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:06:28,194 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 187.12ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 81.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 20:06:28,194 INFO  L158              Benchmark]: Boogie Procedure Inliner took 27.37ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:06:28,195 INFO  L158              Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:06:28,195 INFO  L158              Benchmark]: RCFGBuilder took 246.87ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 69.8MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 20:06:28,195 INFO  L158              Benchmark]: TraceAbstraction took 5387.96ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 69.3MB in the beginning and 80.4MB in the end (delta: -11.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB.
[2024-11-07 20:06:28,195 INFO  L158              Benchmark]: Witness Printer took 62.82ms. Allocated memory is still 159.4MB. Free memory was 80.4MB in the beginning and 75.9MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 20:06:28,196 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.02ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 187.12ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 81.1MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 27.37ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 80.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 33.58ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 246.87ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 69.8MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5387.96ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 69.3MB in the beginning and 80.4MB in the end (delta: -11.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB.
 * Witness Printer took 62.82ms. Allocated memory is still 159.4MB. Free memory was 80.4MB in the beginning and 75.9MB in the end (delta: 4.5MB). 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
  - PositiveResult [Line: 25]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 25]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 24]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 24]: 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 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 9, TraceHistogramMax: 23, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 401 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 353 IncrementalHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 87 mSDtfsCounter, 353 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 491 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=8, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 555 NumberOfCodeBlocks, 555 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 642 ConstructedInterpolants, 0 QuantifiedInterpolants, 1704 SizeOfPredicates, 0 NumberOfNonLiveVariables, 577 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 1465/3977 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
    4 specifications checked. All of them hold
  - InvariantResult [Line: 24]: Loop Invariant
    Derived loop invariant: ((((((((((2 <= i) && (2 == sn)) || (((2 <= sn) && (4 <= i)) && (sn <= 6))) || (((sn <= 16) && (2 <= sn)) && (9 <= i))) || (((sn <= 4) && (3 <= i)) && (2 <= sn))) || (((sn <= 14) && (2 <= sn)) && (8 <= i))) || (((5 <= i) && (2 <= sn)) && (sn <= 8))) || ((i == 1) && (sn == 0))) || (((2 <= sn) && (6 <= i)) && (sn <= 10))) || (((7 <= i) && (2 <= sn)) && (sn <= 12)))
RESULT: Ultimate proved your program to be correct!
[2024-11-07 20:06:28,218 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