./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'd61c0dafed482002b011add1f5476de4fd21f0cbe5ef1ca0c06dd442b2a70902']
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/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d61c0dafed482002b011add1f5476de4fd21f0cbe5ef1ca0c06dd442b2a70902
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 08:25:09,550 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 08:25:09,664 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-07 08:25:09,670 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 08:25:09,670 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 08:25:09,695 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 08:25:09,696 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 08:25:09,697 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 08:25:09,697 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 08:25:09,698 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 08:25:09,698 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 08:25:09,698 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 08:25:09,698 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 08:25:09,699 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 08:25:09,699 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 08:25:09,699 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 08:25:09,700 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 08:25:09,700 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 08:25:09,701 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 08:25:09,701 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 08:25:09,701 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 08:25:09,701 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 08:25:09,702 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:25:09,702 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 08:25:09,702 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 08:25:09,703 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61c0dafed482002b011add1f5476de4fd21f0cbe5ef1ca0c06dd442b2a70902
[2024-11-07 08:25:09,945 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 08:25:09,954 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 08:25:09,956 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 08:25:09,957 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 08:25:09,958 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 08:25:09,959 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i
[2024-11-07 08:25:11,272 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 08:25:11,559 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 08:25:11,561 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i
[2024-11-07 08:25:11,572 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0319cb27f/c65fd304999a4d80a288cada815de95e/FLAG7a4c5f656
[2024-11-07 08:25:11,591 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0319cb27f/c65fd304999a4d80a288cada815de95e
[2024-11-07 08:25:11,595 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 08:25:11,596 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 08:25:11,599 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 08:25:11,599 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 08:25:11,603 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 08:25:11,604 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,606 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70817d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11, skipping insertion in model container
[2024-11-07 08:25:11,607 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,625 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 08:25:11,759 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i[915,928]
[2024-11-07 08:25:11,821 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:25:11,833 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 08:25:11,844 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i[915,928]
[2024-11-07 08:25:11,873 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:25:11,893 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 08:25:11,894 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11 WrapperNode
[2024-11-07 08:25:11,895 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 08:25:11,896 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 08:25:11,896 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 08:25:11,896 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 08:25:11,902 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,913 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,948 INFO  L138                Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 148
[2024-11-07 08:25:11,949 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 08:25:11,949 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 08:25:11,949 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 08:25:11,950 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 08:25:11,958 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,958 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,961 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,974 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 08:25:11,974 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,974 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,983 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,986 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,987 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,988 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,991 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 08:25:11,992 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 08:25:11,992 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 08:25:11,993 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 08:25:11,994 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (1/1) ...
[2024-11-07 08:25:11,999 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:25:12,012 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:25:12,026 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 08:25:12,033 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 08:25:12,055 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 08:25:12,056 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 08:25:12,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 08:25:12,056 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 08:25:12,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 08:25:12,056 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 08:25:12,124 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 08:25:12,125 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 08:25:12,381 INFO  L?                        ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-11-07 08:25:12,382 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 08:25:12,392 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 08:25:12,392 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 08:25:12,393 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:12 BoogieIcfgContainer
[2024-11-07 08:25:12,393 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 08:25:12,397 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 08:25:12,397 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 08:25:12,402 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 08:25:12,402 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:25:11" (1/3) ...
[2024-11-07 08:25:12,403 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c55244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:25:12, skipping insertion in model container
[2024-11-07 08:25:12,403 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:11" (2/3) ...
[2024-11-07 08:25:12,403 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c55244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:25:12, skipping insertion in model container
[2024-11-07 08:25:12,403 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:12" (3/3) ...
[2024-11-07 08:25:12,405 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-81.i
[2024-11-07 08:25:12,419 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 08:25:12,419 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 08:25:12,479 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 08:25:12,490 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;@16dfb5df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 08:25:12,491 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 08:25:12,496 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 66 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-07 08:25:12,505 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-07 08:25:12,505 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:12,506 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:12,506 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:12,510 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:12,510 INFO  L85        PathProgramCache]: Analyzing trace with hash -292747002, now seen corresponding path program 1 times
[2024-11-07 08:25:12,517 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:12,518 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085777894]
[2024-11-07 08:25:12,518 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:12,519 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:12,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,790 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:12,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,798 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:12,804 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,811 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:12,813 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,817 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:12,820 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,824 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:12,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,831 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:12,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,842 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:12,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,848 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:12,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,854 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:12,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,861 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:12,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,871 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:12,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,878 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:12,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,886 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:12,889 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,891 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:12,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,899 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:12,900 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,905 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:12,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:12,917 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:12,919 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:12,921 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085777894]
[2024-11-07 08:25:12,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085777894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:12,922 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:12,922 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 08:25:12,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136767006]
[2024-11-07 08:25:12,924 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:12,926 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 08:25:12,928 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:12,944 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 08:25:12,945 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:25:12,947 INFO  L87              Difference]: Start difference. First operand  has 66 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-07 08:25:12,970 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:12,971 INFO  L93              Difference]: Finished difference Result 127 states and 207 transitions.
[2024-11-07 08:25:12,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 08:25:12,974 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 108
[2024-11-07 08:25:12,974 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:12,980 INFO  L225             Difference]: With dead ends: 127
[2024-11-07 08:25:12,981 INFO  L226             Difference]: Without dead ends: 60
[2024-11-07 08:25:12,984 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:25:12,990 INFO  L432           NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:12,991 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:25:13,004 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-07 08:25:13,025 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2024-11-07 08:25:13,026 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 42 states have internal predecessors, (55), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-07 08:25:13,031 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 87 transitions.
[2024-11-07 08:25:13,034 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 87 transitions. Word has length 108
[2024-11-07 08:25:13,034 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:13,034 INFO  L471      AbstractCegarLoop]: Abstraction has 60 states and 87 transitions.
[2024-11-07 08:25:13,034 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-07 08:25:13,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 87 transitions.
[2024-11-07 08:25:13,037 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 109
[2024-11-07 08:25:13,037 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:13,037 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:13,037 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 08:25:13,038 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:13,038 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:13,038 INFO  L85        PathProgramCache]: Analyzing trace with hash -1158582018, now seen corresponding path program 1 times
[2024-11-07 08:25:13,039 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:13,039 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821538049]
[2024-11-07 08:25:13,039 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:13,039 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:13,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,505 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:13,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,511 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:13,512 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,518 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:13,519 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,521 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:13,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,524 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:13,528 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,530 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:13,534 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,536 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:13,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,540 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:13,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,544 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:13,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,547 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:13,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,554 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:13,555 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,559 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:13,560 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,562 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:13,566 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,567 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:13,568 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,572 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:13,574 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,575 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:13,577 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:13,582 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:13,583 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821538049]
[2024-11-07 08:25:13,583 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821538049] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:13,583 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:13,583 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 08:25:13,584 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032320847]
[2024-11-07 08:25:13,584 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:13,585 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 08:25:13,586 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:13,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 08:25:13,587 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 08:25:13,588 INFO  L87              Difference]: Start difference. First operand 60 states and 87 transitions. Second operand  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:13,665 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:13,665 INFO  L93              Difference]: Finished difference Result 119 states and 174 transitions.
[2024-11-07 08:25:13,668 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 08:25:13,668 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 108
[2024-11-07 08:25:13,669 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:13,671 INFO  L225             Difference]: With dead ends: 119
[2024-11-07 08:25:13,671 INFO  L226             Difference]: Without dead ends: 62
[2024-11-07 08:25:13,673 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 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 08:25:13,674 INFO  L432           NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:13,674 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 08:25:13,676 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-11-07 08:25:13,684 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-11-07 08:25:13,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 62 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-07 08:25:13,685 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 89 transitions.
[2024-11-07 08:25:13,686 INFO  L78                 Accepts]: Start accepts. Automaton has 62 states and 89 transitions. Word has length 108
[2024-11-07 08:25:13,687 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:13,687 INFO  L471      AbstractCegarLoop]: Abstraction has 62 states and 89 transitions.
[2024-11-07 08:25:13,687 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:13,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 89 transitions.
[2024-11-07 08:25:13,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-07 08:25:13,689 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:13,689 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:13,689 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-07 08:25:13,689 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:13,690 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:13,690 INFO  L85        PathProgramCache]: Analyzing trace with hash 1597578460, now seen corresponding path program 1 times
[2024-11-07 08:25:13,690 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:13,690 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610707738]
[2024-11-07 08:25:13,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:13,690 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:13,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,898 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:13,901 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,907 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:13,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,910 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:13,912 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,921 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:13,925 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,927 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:13,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,932 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:13,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,938 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:13,942 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,945 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:13,946 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,951 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:13,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,957 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:13,958 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,961 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:13,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,973 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:13,975 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,979 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:13,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,984 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:13,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,989 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:13,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:13,996 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:13,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:14,004 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:14,004 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610707738]
[2024-11-07 08:25:14,005 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610707738] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:14,005 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:14,005 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 08:25:14,005 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683116830]
[2024-11-07 08:25:14,005 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:14,006 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 08:25:14,006 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:14,008 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 08:25:14,010 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 08:25:14,010 INFO  L87              Difference]: Start difference. First operand 62 states and 89 transitions. Second operand  has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:14,173 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:14,174 INFO  L93              Difference]: Finished difference Result 195 states and 280 transitions.
[2024-11-07 08:25:14,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 08:25:14,175 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 109
[2024-11-07 08:25:14,175 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:14,178 INFO  L225             Difference]: With dead ends: 195
[2024-11-07 08:25:14,179 INFO  L226             Difference]: Without dead ends: 136
[2024-11-07 08:25:14,180 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-07 08:25:14,181 INFO  L432           NwaCegarLoop]: 99 mSDtfsCounter, 91 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:14,181 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 320 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 08:25:14,182 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2024-11-07 08:25:14,204 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119.
[2024-11-07 08:25:14,208 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-07 08:25:14,209 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 173 transitions.
[2024-11-07 08:25:14,212 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 173 transitions. Word has length 109
[2024-11-07 08:25:14,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:14,213 INFO  L471      AbstractCegarLoop]: Abstraction has 119 states and 173 transitions.
[2024-11-07 08:25:14,213 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:14,213 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 173 transitions.
[2024-11-07 08:25:14,215 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-07 08:25:14,216 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:14,216 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:14,216 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-07 08:25:14,216 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:14,218 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:14,218 INFO  L85        PathProgramCache]: Analyzing trace with hash 586461210, now seen corresponding path program 1 times
[2024-11-07 08:25:14,218 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:14,218 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329810459]
[2024-11-07 08:25:14,218 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:14,218 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:14,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,841 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:14,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,846 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:14,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,849 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:14,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,853 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:14,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,855 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:14,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,860 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:14,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,862 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:14,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,864 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:14,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,865 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:14,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,869 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:14,872 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,873 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:14,875 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,876 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:14,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,879 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:14,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,882 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:14,885 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,912 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:14,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,918 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:14,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:14,923 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-07 08:25:14,924 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:14,924 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329810459]
[2024-11-07 08:25:14,925 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329810459] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 08:25:14,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177571322]
[2024-11-07 08:25:14,925 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:14,925 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 08:25:14,925 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:25:14,928 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 08:25:14,932 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 08:25:15,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:15,063 INFO  L255         TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-07 08:25:15,071 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:25:15,199 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 136 proven. 48 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked.
[2024-11-07 08:25:15,200 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 08:25:15,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-07 08:25:15,389 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177571322] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 08:25:15,390 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-07 08:25:15,390 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9
[2024-11-07 08:25:15,390 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490404563]
[2024-11-07 08:25:15,390 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-07 08:25:15,391 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-07 08:25:15,391 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:15,391 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-07 08:25:15,391 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-07 08:25:15,392 INFO  L87              Difference]: Start difference. First operand 119 states and 173 transitions. Second operand  has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-07 08:25:15,811 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:15,811 INFO  L93              Difference]: Finished difference Result 326 states and 462 transitions.
[2024-11-07 08:25:15,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-07 08:25:15,813 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 109
[2024-11-07 08:25:15,814 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:15,816 INFO  L225             Difference]: With dead ends: 326
[2024-11-07 08:25:15,816 INFO  L226             Difference]: Without dead ends: 210
[2024-11-07 08:25:15,820 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 245 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2024-11-07 08:25:15,820 INFO  L432           NwaCegarLoop]: 62 mSDtfsCounter, 253 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:15,821 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 248 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-07 08:25:15,821 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 210 states.
[2024-11-07 08:25:15,862 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 195.
[2024-11-07 08:25:15,863 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 195 states, 140 states have (on average 1.2642857142857142) internal successors, (177), 140 states have internal predecessors, (177), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-07 08:25:15,865 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 273 transitions.
[2024-11-07 08:25:15,866 INFO  L78                 Accepts]: Start accepts. Automaton has 195 states and 273 transitions. Word has length 109
[2024-11-07 08:25:15,866 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:15,866 INFO  L471      AbstractCegarLoop]: Abstraction has 195 states and 273 transitions.
[2024-11-07 08:25:15,867 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-07 08:25:15,867 INFO  L276                IsEmpty]: Start isEmpty. Operand 195 states and 273 transitions.
[2024-11-07 08:25:15,868 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-07 08:25:15,868 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:15,868 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:15,889 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 08:25:16,069 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-07 08:25:16,070 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:16,070 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:16,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 1552121946, now seen corresponding path program 1 times
[2024-11-07 08:25:16,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:16,070 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180775517]
[2024-11-07 08:25:16,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:16,071 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:16,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,205 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:16,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,208 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:16,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,210 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:16,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,212 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:16,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,213 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:16,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,215 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:16,216 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,217 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:16,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,220 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:16,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,222 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:16,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,223 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:16,224 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,227 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:16,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,229 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:16,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,232 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:16,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,234 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:16,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,235 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:16,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,246 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:16,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:16,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:16,250 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:16,250 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180775517]
[2024-11-07 08:25:16,250 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180775517] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:16,250 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:16,250 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 08:25:16,250 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939851565]
[2024-11-07 08:25:16,250 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:16,251 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 08:25:16,251 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:16,252 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 08:25:16,252 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 08:25:16,252 INFO  L87              Difference]: Start difference. First operand 195 states and 273 transitions. Second operand  has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:16,318 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:16,318 INFO  L93              Difference]: Finished difference Result 407 states and 569 transitions.
[2024-11-07 08:25:16,321 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 08:25:16,322 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 109
[2024-11-07 08:25:16,322 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:16,324 INFO  L225             Difference]: With dead ends: 407
[2024-11-07 08:25:16,324 INFO  L226             Difference]: Without dead ends: 215
[2024-11-07 08:25:16,325 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 08:25:16,328 INFO  L432           NwaCegarLoop]: 91 mSDtfsCounter, 78 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:16,328 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 254 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:25:16,329 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 215 states.
[2024-11-07 08:25:16,356 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 195.
[2024-11-07 08:25:16,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 195 states, 140 states have (on average 1.25) internal successors, (175), 140 states have internal predecessors, (175), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-07 08:25:16,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 271 transitions.
[2024-11-07 08:25:16,359 INFO  L78                 Accepts]: Start accepts. Automaton has 195 states and 271 transitions. Word has length 109
[2024-11-07 08:25:16,359 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:16,359 INFO  L471      AbstractCegarLoop]: Abstraction has 195 states and 271 transitions.
[2024-11-07 08:25:16,360 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:16,360 INFO  L276                IsEmpty]: Start isEmpty. Operand 195 states and 271 transitions.
[2024-11-07 08:25:16,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-07 08:25:16,361 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:16,361 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:16,361 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-07 08:25:16,362 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:16,362 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:16,362 INFO  L85        PathProgramCache]: Analyzing trace with hash 115689461, now seen corresponding path program 1 times
[2024-11-07 08:25:16,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:16,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720452153]
[2024-11-07 08:25:16,362 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:16,363 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:16,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,340 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:19,343 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,346 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:19,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,351 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:19,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,356 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:19,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,359 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:19,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,363 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:19,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,367 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:19,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,369 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:19,370 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,372 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:19,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,376 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:19,377 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,379 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:19,380 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,381 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:19,383 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,384 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:19,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,389 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:19,390 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,392 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:19,394 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,395 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:19,396 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:19,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:19,399 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:19,399 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720452153]
[2024-11-07 08:25:19,399 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720452153] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:19,400 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:19,400 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-07 08:25:19,400 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706120014]
[2024-11-07 08:25:19,400 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:19,401 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-07 08:25:19,401 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:19,401 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-07 08:25:19,402 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182
[2024-11-07 08:25:19,402 INFO  L87              Difference]: Start difference. First operand 195 states and 271 transitions. Second operand  has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:20,865 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:20,866 INFO  L93              Difference]: Finished difference Result 550 states and 737 transitions.
[2024-11-07 08:25:20,866 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-07 08:25:20,866 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111
[2024-11-07 08:25:20,867 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:20,871 INFO  L225             Difference]: With dead ends: 550
[2024-11-07 08:25:20,871 INFO  L226             Difference]: Without dead ends: 358
[2024-11-07 08:25:20,873 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756
[2024-11-07 08:25:20,874 INFO  L432           NwaCegarLoop]: 90 mSDtfsCounter, 291 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:20,874 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 662 Invalid, 750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-07 08:25:20,876 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 358 states.
[2024-11-07 08:25:20,917 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 224.
[2024-11-07 08:25:20,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 224 states, 162 states have (on average 1.228395061728395) internal successors, (199), 163 states have internal predecessors, (199), 54 states have call successors, (54), 7 states have call predecessors, (54), 7 states have return successors, (54), 53 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-07 08:25:20,922 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 307 transitions.
[2024-11-07 08:25:20,923 INFO  L78                 Accepts]: Start accepts. Automaton has 224 states and 307 transitions. Word has length 111
[2024-11-07 08:25:20,923 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:20,923 INFO  L471      AbstractCegarLoop]: Abstraction has 224 states and 307 transitions.
[2024-11-07 08:25:20,923 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.4285714285714284) internal successors, (34), 14 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:20,924 INFO  L276                IsEmpty]: Start isEmpty. Operand 224 states and 307 transitions.
[2024-11-07 08:25:20,925 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-07 08:25:20,925 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:20,925 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:20,925 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-07 08:25:20,925 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:20,926 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:20,926 INFO  L85        PathProgramCache]: Analyzing trace with hash -104611325, now seen corresponding path program 1 times
[2024-11-07 08:25:20,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:20,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267908916]
[2024-11-07 08:25:20,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:20,926 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:20,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,101 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:21,103 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,105 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:21,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,107 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:21,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,109 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:21,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,110 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:21,111 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,112 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:21,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,114 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:21,116 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,117 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:21,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,119 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:21,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,121 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:21,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,122 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:21,123 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,124 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:21,124 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,127 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:21,127 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,128 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:21,129 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,132 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:21,132 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,134 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:21,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,137 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:21,137 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:21,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267908916]
[2024-11-07 08:25:21,137 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267908916] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:21,137 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:21,137 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 08:25:21,137 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676616435]
[2024-11-07 08:25:21,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:21,138 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 08:25:21,138 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:21,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 08:25:21,140 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 08:25:21,140 INFO  L87              Difference]: Start difference. First operand 224 states and 307 transitions. Second operand  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:21,297 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:21,298 INFO  L93              Difference]: Finished difference Result 618 states and 845 transitions.
[2024-11-07 08:25:21,298 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 08:25:21,298 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111
[2024-11-07 08:25:21,298 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:21,302 INFO  L225             Difference]: With dead ends: 618
[2024-11-07 08:25:21,303 INFO  L226             Difference]: Without dead ends: 409
[2024-11-07 08:25:21,304 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 08:25:21,304 INFO  L432           NwaCegarLoop]: 141 mSDtfsCounter, 115 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:21,305 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 210 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 08:25:21,306 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 409 states.
[2024-11-07 08:25:21,349 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 301.
[2024-11-07 08:25:21,350 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 301 states, 220 states have (on average 1.190909090909091) internal successors, (262), 222 states have internal predecessors, (262), 70 states have call successors, (70), 10 states have call predecessors, (70), 10 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70)
[2024-11-07 08:25:21,353 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 402 transitions.
[2024-11-07 08:25:21,353 INFO  L78                 Accepts]: Start accepts. Automaton has 301 states and 402 transitions. Word has length 111
[2024-11-07 08:25:21,354 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:21,354 INFO  L471      AbstractCegarLoop]: Abstraction has 301 states and 402 transitions.
[2024-11-07 08:25:21,354 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:21,354 INFO  L276                IsEmpty]: Start isEmpty. Operand 301 states and 402 transitions.
[2024-11-07 08:25:21,355 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-07 08:25:21,355 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:21,356 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:21,356 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-07 08:25:21,356 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:21,356 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:21,356 INFO  L85        PathProgramCache]: Analyzing trace with hash 1850381496, now seen corresponding path program 1 times
[2024-11-07 08:25:21,356 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:21,356 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029921363]
[2024-11-07 08:25:21,356 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:21,356 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:21,371 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,400 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:21,401 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,402 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:21,403 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,404 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:21,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,406 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:21,406 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,408 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:21,408 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,409 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:21,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,411 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:21,414 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,415 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:21,416 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,417 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:21,418 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,419 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:21,419 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,420 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:21,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,421 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:21,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,423 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:21,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,424 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:21,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,427 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:21,427 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,428 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:21,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:21,431 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:21,431 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029921363]
[2024-11-07 08:25:21,431 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029921363] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:21,431 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:21,431 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 08:25:21,431 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653342026]
[2024-11-07 08:25:21,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:21,431 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 08:25:21,432 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:21,432 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 08:25:21,432 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 08:25:21,432 INFO  L87              Difference]: Start difference. First operand 301 states and 402 transitions. Second operand  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:21,512 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:21,513 INFO  L93              Difference]: Finished difference Result 737 states and 984 transitions.
[2024-11-07 08:25:21,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 08:25:21,514 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 112
[2024-11-07 08:25:21,514 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:21,519 INFO  L225             Difference]: With dead ends: 737
[2024-11-07 08:25:21,519 INFO  L226             Difference]: Without dead ends: 451
[2024-11-07 08:25:21,520 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 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 08:25:21,521 INFO  L432           NwaCegarLoop]: 90 mSDtfsCounter, 65 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:21,521 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 155 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:25:21,523 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 451 states.
[2024-11-07 08:25:21,584 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 295.
[2024-11-07 08:25:21,585 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 295 states, 214 states have (on average 1.1542056074766356) internal successors, (247), 216 states have internal predecessors, (247), 70 states have call successors, (70), 10 states have call predecessors, (70), 10 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70)
[2024-11-07 08:25:21,587 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 387 transitions.
[2024-11-07 08:25:21,589 INFO  L78                 Accepts]: Start accepts. Automaton has 295 states and 387 transitions. Word has length 112
[2024-11-07 08:25:21,589 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:21,589 INFO  L471      AbstractCegarLoop]: Abstraction has 295 states and 387 transitions.
[2024-11-07 08:25:21,589 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:21,589 INFO  L276                IsEmpty]: Start isEmpty. Operand 295 states and 387 transitions.
[2024-11-07 08:25:21,590 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-07 08:25:21,590 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:21,590 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:21,591 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-07 08:25:21,591 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:21,591 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:21,591 INFO  L85        PathProgramCache]: Analyzing trace with hash -258877806, now seen corresponding path program 1 times
[2024-11-07 08:25:21,591 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:21,591 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568196224]
[2024-11-07 08:25:21,591 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:21,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:21,617 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,722 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:21,723 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,724 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:21,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,725 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:21,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,727 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:21,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,732 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:21,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,734 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:21,734 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,735 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:21,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,737 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:21,737 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,738 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:21,738 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,739 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:21,740 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,740 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:21,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,742 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:21,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,743 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:21,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,744 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:21,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,746 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:21,749 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,750 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:21,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:21,752 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:21,752 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:21,752 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568196224]
[2024-11-07 08:25:21,752 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568196224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:21,752 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:21,752 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-07 08:25:21,752 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842857078]
[2024-11-07 08:25:21,753 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:21,753 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 08:25:21,753 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:21,753 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 08:25:21,753 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 08:25:21,754 INFO  L87              Difference]: Start difference. First operand 295 states and 387 transitions. Second operand  has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:21,903 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:21,904 INFO  L93              Difference]: Finished difference Result 565 states and 750 transitions.
[2024-11-07 08:25:21,904 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 08:25:21,904 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 112
[2024-11-07 08:25:21,904 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:21,910 INFO  L225             Difference]: With dead ends: 565
[2024-11-07 08:25:21,910 INFO  L226             Difference]: Without dead ends: 430
[2024-11-07 08:25:21,910 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 34 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 08:25:21,911 INFO  L432           NwaCegarLoop]: 92 mSDtfsCounter, 67 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:21,911 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 229 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 08:25:21,911 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 430 states.
[2024-11-07 08:25:21,971 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 295.
[2024-11-07 08:25:21,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 295 states, 214 states have (on average 1.1308411214953271) internal successors, (242), 216 states have internal predecessors, (242), 70 states have call successors, (70), 10 states have call predecessors, (70), 10 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70)
[2024-11-07 08:25:21,974 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 382 transitions.
[2024-11-07 08:25:21,975 INFO  L78                 Accepts]: Start accepts. Automaton has 295 states and 382 transitions. Word has length 112
[2024-11-07 08:25:21,975 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:21,975 INFO  L471      AbstractCegarLoop]: Abstraction has 295 states and 382 transitions.
[2024-11-07 08:25:21,975 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:21,976 INFO  L276                IsEmpty]: Start isEmpty. Operand 295 states and 382 transitions.
[2024-11-07 08:25:21,977 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-11-07 08:25:21,977 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:21,977 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:21,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-07 08:25:21,977 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:21,977 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:21,978 INFO  L85        PathProgramCache]: Analyzing trace with hash 372474061, now seen corresponding path program 1 times
[2024-11-07 08:25:21,978 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:21,978 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762986671]
[2024-11-07 08:25:21,978 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:21,978 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:22,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,830 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-07 08:25:24,832 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,834 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-07 08:25:24,835 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,837 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-07 08:25:24,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,840 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2024-11-07 08:25:24,841 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,842 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 08:25:24,844 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,846 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-07 08:25:24,847 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,849 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-07 08:25:24,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,852 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-07 08:25:24,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,854 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-07 08:25:24,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,856 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-07 08:25:24,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,858 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-07 08:25:24,859 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,861 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-07 08:25:24,862 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,863 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-07 08:25:24,864 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,865 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-07 08:25:24,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,868 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84
[2024-11-07 08:25:24,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,870 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-07 08:25:24,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:24,873 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:24,873 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 08:25:24,873 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762986671]
[2024-11-07 08:25:24,874 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762986671] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:24,874 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:24,874 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16
[2024-11-07 08:25:24,874 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375917808]
[2024-11-07 08:25:24,874 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:24,874 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-07 08:25:24,874 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 08:25:24,875 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-07 08:25:24,875 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2024-11-07 08:25:24,875 INFO  L87              Difference]: Start difference. First operand 295 states and 382 transitions. Second operand  has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:26,114 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:26,115 INFO  L93              Difference]: Finished difference Result 648 states and 824 transitions.
[2024-11-07 08:25:26,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-07 08:25:26,115 INFO  L78                 Accepts]: Start accepts. Automaton has  has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 112
[2024-11-07 08:25:26,116 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:26,119 INFO  L225             Difference]: With dead ends: 648
[2024-11-07 08:25:26,120 INFO  L226             Difference]: Without dead ends: 368
[2024-11-07 08:25:26,121 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=188, Invalid=624, Unknown=0, NotChecked=0, Total=812
[2024-11-07 08:25:26,122 INFO  L432           NwaCegarLoop]: 101 mSDtfsCounter, 156 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:26,122 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 600 Invalid, 576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-07 08:25:26,123 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 368 states.
[2024-11-07 08:25:26,170 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 287.
[2024-11-07 08:25:26,171 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 287 states, 206 states have (on average 1.1262135922330097) internal successors, (232), 208 states have internal predecessors, (232), 70 states have call successors, (70), 10 states have call predecessors, (70), 10 states have return successors, (70), 68 states have call predecessors, (70), 70 states have call successors, (70)
[2024-11-07 08:25:26,175 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 372 transitions.
[2024-11-07 08:25:26,175 INFO  L78                 Accepts]: Start accepts. Automaton has 287 states and 372 transitions. Word has length 112
[2024-11-07 08:25:26,176 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:26,176 INFO  L471      AbstractCegarLoop]: Abstraction has 287 states and 372 transitions.
[2024-11-07 08:25:26,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 2.1875) internal successors, (35), 16 states have internal predecessors, (35), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:26,176 INFO  L276                IsEmpty]: Start isEmpty. Operand 287 states and 372 transitions.
[2024-11-07 08:25:26,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2024-11-07 08:25:26,177 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:26,177 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:26,177 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-07 08:25:26,177 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:26,178 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:26,178 INFO  L85        PathProgramCache]: Analyzing trace with hash -576362040, now seen corresponding path program 1 times
[2024-11-07 08:25:26,178 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 08:25:26,178 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585606131]
[2024-11-07 08:25:26,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:26,178 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 08:25:26,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 08:25:26,234 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-07 08:25:26,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-07 08:25:26,329 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-07 08:25:26,329 INFO  L325         BasicCegarLoop]: Counterexample is feasible
[2024-11-07 08:25:26,330 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-07 08:25:26,332 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-07 08:25:26,335 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:26,422 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-07 08:25:26,426 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:25:26 BoogieIcfgContainer
[2024-11-07 08:25:26,426 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-07 08:25:26,427 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-07 08:25:26,427 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-07 08:25:26,427 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-07 08:25:26,442 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:12" (3/4) ...
[2024-11-07 08:25:26,444 INFO  L145         WitnessPrinter]: No result that supports witness generation found
[2024-11-07 08:25:26,445 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-07 08:25:26,447 INFO  L158              Benchmark]: Toolchain (without parser) took 14849.59ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 85.5MB in the beginning and 237.6MB in the end (delta: -152.1MB). Peak memory consumption was 158.5MB. Max. memory is 16.1GB.
[2024-11-07 08:25:26,447 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:25:26,448 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 297.10ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 72.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:25:26,448 INFO  L158              Benchmark]: Boogie Procedure Inliner took 52.90ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 08:25:26,448 INFO  L158              Benchmark]: Boogie Preprocessor took 41.85ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 08:25:26,448 INFO  L158              Benchmark]: RCFGBuilder took 400.55ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 51.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-07 08:25:26,448 INFO  L158              Benchmark]: TraceAbstraction took 14028.95ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 51.3MB in the beginning and 90.0MB in the end (delta: -38.8MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB.
[2024-11-07 08:25:26,449 INFO  L158              Benchmark]: Witness Printer took 18.67ms. Allocated memory is still 268.4MB. Free memory was 90.0MB in the beginning and 237.6MB in the end (delta: -147.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB.
[2024-11-07 08:25:26,451 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 297.10ms. Allocated memory is still 109.1MB. Free memory was 85.3MB in the beginning and 72.5MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 52.90ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 70.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 41.85ms. Allocated memory is still 109.1MB. Free memory was 70.4MB in the beginning and 68.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 400.55ms. Allocated memory is still 109.1MB. Free memory was 68.3MB in the beginning and 51.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 14028.95ms. Allocated memory was 109.1MB in the beginning and 268.4MB in the end (delta: 159.4MB). Free memory was 51.3MB in the beginning and 90.0MB in the end (delta: -38.8MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB.
 * Witness Printer took 18.67ms. Allocated memory is still 268.4MB. Free memory was 90.0MB in the beginning and 237.6MB in the end (delta: -147.6MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 103, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68. 
Possible FailurePath: 
[L21]                    unsigned char isInitial = 0;
[L22]                    double var_1_1 = 9999.5;
[L23]                    unsigned char var_1_2 = 1;
[L24]                    double var_1_3 = 4.5;
[L25]                    double var_1_4 = 2.5;
[L26]                    double var_1_5 = 0.0;
[L27]                    double var_1_6 = 999999999999.3;
[L28]                    signed char var_1_7 = -128;
[L29]                    signed char var_1_11 = -64;
[L30]                    signed char var_1_12 = 5;
[L31]                    signed char var_1_13 = 50;
[L32]                    unsigned char var_1_14 = 0;
[L33]                    unsigned char var_1_15 = 0;
[L34]                    unsigned char var_1_16 = 0;
[L35]                    unsigned char var_1_17 = 0;
[L36]                    signed char last_1_var_1_7 = -128;
             VAL         [isInitial=0, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L107]                   isInitial = 1
[L108]       FCALL       initially()
[L109]                   int k_loop;
[L110]                   k_loop = 0
             VAL         [isInitial=1, k_loop=0, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L110]       COND TRUE   k_loop < 1
[L111]       CALL        updateLastVariables()
[L100]                   last_1_var_1_7 = var_1_7
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L111]       RET         updateLastVariables()
[L112]       CALL        updateVariables()
[L72]                    var_1_2 = __VERIFIER_nondet_uchar()
[L73]        CALL        assume_abort_if_not(var_1_2 >= 0)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L73]        RET         assume_abort_if_not(var_1_2 >= 0)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L74]        CALL        assume_abort_if_not(var_1_2 <= 1)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L74]        RET         assume_abort_if_not(var_1_2 <= 1)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L75]                    var_1_3 = __VERIFIER_nondet_double()
[L76]        CALL        assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F ))
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L76]        RET         assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F ))
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_4=5/2, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L77]                    var_1_4 = __VERIFIER_nondet_double()
[L78]        CALL        assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F ))
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L78]        RET         assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F ))
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_5=0, var_1_6=9999999999993/10, var_1_7=-128]
[L79]                    var_1_5 = __VERIFIER_nondet_double()
[L80]        CALL        assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F ))
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_6=9999999999993/10, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_6=9999999999993/10, var_1_7=-128]
[L80]        RET         assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F ))
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_6=9999999999993/10, var_1_7=-128]
[L81]                    var_1_6 = __VERIFIER_nondet_double()
[L82]        CALL        assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F ))
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L82]        RET         assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F ))
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-64, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L83]                    var_1_11 = __VERIFIER_nondet_char()
[L84]        CALL        assume_abort_if_not(var_1_11 >= -127)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L84]        RET         assume_abort_if_not(var_1_11 >= -127)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L85]        CALL        assume_abort_if_not(var_1_11 <= 126)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L85]        RET         assume_abort_if_not(var_1_11 <= 126)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=50, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L86]                    var_1_13 = __VERIFIER_nondet_char()
[L87]        CALL        assume_abort_if_not(var_1_13 >= -1)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L87]        RET         assume_abort_if_not(var_1_13 >= -1)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L88]        CALL        assume_abort_if_not(var_1_13 <= 126)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L88]        RET         assume_abort_if_not(var_1_13 <= 126)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L89]                    var_1_15 = __VERIFIER_nondet_uchar()
[L90]        CALL        assume_abort_if_not(var_1_15 >= 0)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L90]        RET         assume_abort_if_not(var_1_15 >= 0)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L91]        CALL        assume_abort_if_not(var_1_15 <= 1)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L91]        RET         assume_abort_if_not(var_1_15 <= 1)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L92]                    var_1_16 = __VERIFIER_nondet_uchar()
[L93]        CALL        assume_abort_if_not(var_1_16 >= 0)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L93]        RET         assume_abort_if_not(var_1_16 >= 0)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L94]        CALL        assume_abort_if_not(var_1_16 <= 0)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L94]        RET         assume_abort_if_not(var_1_16 <= 0)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=0, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L95]                    var_1_17 = __VERIFIER_nondet_uchar()
[L96]        CALL        assume_abort_if_not(var_1_17 >= 1)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L96]        RET         assume_abort_if_not(var_1_17 >= 1)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L97]        CALL        assume_abort_if_not(var_1_17 <= 1)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L20]        COND FALSE  !(!cond)
             VAL         [\old(cond)=1, isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L97]        RET         assume_abort_if_not(var_1_17 <= 1)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L112]       RET         updateVariables()
[L113]       CALL        step()
[L40]                    signed long int stepLocal_1 = ((((last_1_var_1_7) < (last_1_var_1_7)) ? (last_1_var_1_7) : (last_1_var_1_7))) + last_1_var_1_7;
             VAL         [isInitial=1, last_1_var_1_7=-128, stepLocal_1=-256, var_1_11=-25, var_1_12=5, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L41]        COND FALSE  !(last_1_var_1_7 <= stepLocal_1)
[L44]                    var_1_12 = var_1_11
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L46]                    unsigned char stepLocal_3 = var_1_2;
[L47]                    unsigned long int stepLocal_2 = (((25u) > (var_1_12)) ? (25u) : (var_1_12));
             VAL         [isInitial=1, last_1_var_1_7=-128, stepLocal_2=-25, stepLocal_3=-256, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L48]        COND TRUE   stepLocal_3 || var_1_15
             VAL         [isInitial=1, last_1_var_1_7=-128, stepLocal_2=-25, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L49]        COND TRUE   stepLocal_2 <= var_1_12
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=0, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L50]        COND FALSE  !(\read(var_1_2))
[L53]                    var_1_14 = var_1_17
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L59]        EXPR        var_1_12 ^ var_1_12
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L59]                    signed long int stepLocal_0 = var_1_12 ^ var_1_12;
[L60]        COND TRUE   ((((-25) < (var_1_12)) ? (-25) : (var_1_12))) != stepLocal_0
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-128]
[L61]        COND TRUE   \read(var_1_14)
[L62]                    var_1_7 = var_1_11
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=19999/2, var_1_2=-256, var_1_7=-25]
[L67]        COND TRUE   \read(var_1_14)
[L68]                    var_1_1 = ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6)))))
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=1000000000004, var_1_2=-256, var_1_3=1000000000004, var_1_7=-25]
[L113]       RET         step()
[L114]       CALL, EXPR  property()
[L103]       EXPR        (var_1_14 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (var_1_12)) ? (-25) : (var_1_12))) != (var_1_12 ^ var_1_12)) ? (var_1_14 ? (var_1_7 == ((signed char) var_1_11)) : 1) : (var_1_7 == ((signed char) var_1_11)))
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=1000000000004, var_1_2=-256, var_1_3=1000000000004, var_1_7=-25]
[L103-L104]              return (((var_1_14 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (var_1_12)) ? (-25) : (var_1_12))) != (var_1_12 ^ var_1_12)) ? (var_1_14 ? (var_1_7 == ((signed char) var_1_11)) : 1) : (var_1_7 == ((signed char) var_1_11)))) && ((last_1_var_1_7 <= (((((last_1_var_1_7) < (last_1_var_1_7)) ? (last_1_var_1_7) : (last_1_var_1_7))) + last_1_var_1_7)) ? (var_1_12 == ((signed char) (var_1_13 - 1))) : (var_1_12 == ((signed char) var_1_11)))) && ((var_1_2 || var_1_15) ? ((((((25u) > (var_1_12)) ? (25u) : (var_1_12))) <= var_1_12) ? (var_1_2 ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_17))) : 1) : (var_1_14 == ((unsigned char) var_1_16)))
;
[L114]       RET, EXPR   property()
[L114]       CALL        __VERIFIER_assert(property())
[L19]        COND TRUE   !(cond)
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=1000000000004, var_1_2=-256, var_1_3=1000000000004, var_1_7=-25]
[L19]                    reach_error()
             VAL         [isInitial=1, last_1_var_1_7=-128, var_1_11=-25, var_1_12=-25, var_1_13=-1, var_1_14=-255, var_1_15=1, var_1_16=0, var_1_17=-255, var_1_1=1000000000004, var_1_2=-256, var_1_3=1000000000004, var_1_7=-25]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.9s, OverallIterations: 11, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1143 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1116 mSDsluCounter, 2985 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2043 mSDsCounter, 384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1590 IncrementalHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 384 mSolverCounterUnsat, 942 mSDtfsCounter, 1590 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 666 GetRequests, 578 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=301occurred in iteration=7, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 666 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 1323 NumberOfCodeBlocks, 1323 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1307 ConstructedInterpolants, 0 QuantifiedInterpolants, 3509 SizeOfPredicates, 4 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 5700/5760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-07 08:25:26,484 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
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d61c0dafed482002b011add1f5476de4fd21f0cbe5ef1ca0c06dd442b2a70902
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 08:25:28,705 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 08:25:28,825 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-07 08:25:28,834 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 08:25:28,835 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 08:25:28,864 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 08:25:28,864 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 08:25:28,865 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 08:25:28,865 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 08:25:28,865 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 08:25:28,866 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 08:25:28,866 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 08:25:28,867 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 08:25:28,867 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-07 08:25:28,867 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 08:25:28,868 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:25:28,868 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 08:25:28,868 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 08:25:28,869 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 08:25:28,869 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 08:25:28,869 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 08:25:28,869 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61c0dafed482002b011add1f5476de4fd21f0cbe5ef1ca0c06dd442b2a70902
[2024-11-07 08:25:29,140 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 08:25:29,148 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 08:25:29,149 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 08:25:29,150 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 08:25:29,151 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 08:25:29,152 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i
[2024-11-07 08:25:30,507 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 08:25:30,756 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 08:25:30,758 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i
[2024-11-07 08:25:30,766 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07b31875f/682480a740044c889af248713da2bb8c/FLAGbedc4d5ce
[2024-11-07 08:25:31,078 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/07b31875f/682480a740044c889af248713da2bb8c
[2024-11-07 08:25:31,081 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 08:25:31,083 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 08:25:31,085 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 08:25:31,085 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 08:25:31,089 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 08:25:31,090 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,091 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52658556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31, skipping insertion in model container
[2024-11-07 08:25:31,091 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,110 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 08:25:31,247 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i[915,928]
[2024-11-07 08:25:31,306 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:25:31,321 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 08:25:31,333 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-81.i[915,928]
[2024-11-07 08:25:31,361 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 08:25:31,377 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 08:25:31,378 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31 WrapperNode
[2024-11-07 08:25:31,379 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 08:25:31,380 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 08:25:31,380 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 08:25:31,380 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 08:25:31,386 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,397 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,424 INFO  L138                Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120
[2024-11-07 08:25:31,425 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 08:25:31,425 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 08:25:31,425 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 08:25:31,425 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 08:25:31,436 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,437 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,441 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,452 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 08:25:31,452 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,452 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,459 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,461 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,463 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,464 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,470 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 08:25:31,471 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 08:25:31,471 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 08:25:31,471 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 08:25:31,472 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (1/1) ...
[2024-11-07 08:25:31,481 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 08:25:31,498 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 08:25:31,514 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 08:25:31,520 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 08:25:31,537 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 08:25:31,538 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 08:25:31,538 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 08:25:31,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 08:25:31,538 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 08:25:31,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 08:25:31,627 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 08:25:31,628 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 08:25:32,882 INFO  L?                        ?]: Removed 17 outVars from TransFormulas that were not future-live.
[2024-11-07 08:25:32,883 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 08:25:32,891 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 08:25:32,891 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 08:25:32,892 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:32 BoogieIcfgContainer
[2024-11-07 08:25:32,892 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 08:25:32,894 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 08:25:32,894 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 08:25:32,899 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 08:25:32,900 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:25:31" (1/3) ...
[2024-11-07 08:25:32,900 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b4459e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:25:32, skipping insertion in model container
[2024-11-07 08:25:32,900 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:25:31" (2/3) ...
[2024-11-07 08:25:32,901 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b4459e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:25:32, skipping insertion in model container
[2024-11-07 08:25:32,901 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:25:32" (3/3) ...
[2024-11-07 08:25:32,902 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-81.i
[2024-11-07 08:25:32,917 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 08:25:32,918 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 08:25:32,986 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 08:25:32,997 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;@11e3fddd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 08:25:32,997 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 08:25:33,001 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 55 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-07 08:25:33,010 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-07 08:25:33,010 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:33,011 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:33,011 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:33,015 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:33,015 INFO  L85        PathProgramCache]: Analyzing trace with hash 1223975403, now seen corresponding path program 1 times
[2024-11-07 08:25:33,023 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:25:33,023 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466245636]
[2024-11-07 08:25:33,023 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:33,024 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:33,024 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:25:33,028 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:25:33,030 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-07 08:25:33,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:33,289 INFO  L255         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-07 08:25:33,296 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:25:33,329 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked.
[2024-11-07 08:25:33,330 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:25:33,330 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:25:33,330 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466245636]
[2024-11-07 08:25:33,331 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466245636] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:33,331 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:33,331 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 08:25:33,332 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108153815]
[2024-11-07 08:25:33,333 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:33,336 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-07 08:25:33,336 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:25:33,354 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-07 08:25:33,354 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:25:33,357 INFO  L87              Difference]: Start difference. First operand  has 55 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 37 states have internal predecessors, (48), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-07 08:25:33,374 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:33,374 INFO  L93              Difference]: Finished difference Result 107 states and 173 transitions.
[2024-11-07 08:25:33,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-07 08:25:33,376 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105
[2024-11-07 08:25:33,376 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:33,381 INFO  L225             Difference]: With dead ends: 107
[2024-11-07 08:25:33,381 INFO  L226             Difference]: Without dead ends: 51
[2024-11-07 08:25:33,384 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-07 08:25:33,386 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:33,386 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 08:25:33,396 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-07 08:25:33,410 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-11-07 08:25:33,411 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 33 states have internal predecessors, (41), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-07 08:25:33,415 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 73 transitions.
[2024-11-07 08:25:33,418 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 73 transitions. Word has length 105
[2024-11-07 08:25:33,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:33,418 INFO  L471      AbstractCegarLoop]: Abstraction has 51 states and 73 transitions.
[2024-11-07 08:25:33,419 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-07 08:25:33,419 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 73 transitions.
[2024-11-07 08:25:33,421 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-07 08:25:33,421 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:33,421 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:33,435 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2024-11-07 08:25:33,622 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:33,623 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:33,624 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:33,624 INFO  L85        PathProgramCache]: Analyzing trace with hash 1020378355, now seen corresponding path program 1 times
[2024-11-07 08:25:33,625 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:25:33,625 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755024819]
[2024-11-07 08:25:33,625 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:33,626 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:33,626 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:25:33,628 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:25:33,629 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-07 08:25:33,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:33,901 INFO  L255         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 08:25:33,906 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:25:34,396 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:34,396 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:25:34,396 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:25:34,397 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755024819]
[2024-11-07 08:25:34,397 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [755024819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:34,397 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:34,397 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 08:25:34,397 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117173919]
[2024-11-07 08:25:34,397 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:34,399 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 08:25:34,399 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:25:34,400 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 08:25:34,400 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-07 08:25:34,400 INFO  L87              Difference]: Start difference. First operand 51 states and 73 transitions. Second operand  has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:36,526 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:36,526 INFO  L93              Difference]: Finished difference Result 156 states and 223 transitions.
[2024-11-07 08:25:36,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 08:25:36,544 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 105
[2024-11-07 08:25:36,544 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:36,546 INFO  L225             Difference]: With dead ends: 156
[2024-11-07 08:25:36,546 INFO  L226             Difference]: Without dead ends: 108
[2024-11-07 08:25:36,547 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-07 08:25:36,548 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 59 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:36,548 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 251 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-07 08:25:36,549 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2024-11-07 08:25:36,567 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 97.
[2024-11-07 08:25:36,568 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 62 states have internal predecessors, (77), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-07 08:25:36,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 141 transitions.
[2024-11-07 08:25:36,572 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 141 transitions. Word has length 105
[2024-11-07 08:25:36,574 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:36,574 INFO  L471      AbstractCegarLoop]: Abstraction has 97 states and 141 transitions.
[2024-11-07 08:25:36,574 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:36,575 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 141 transitions.
[2024-11-07 08:25:36,576 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-07 08:25:36,577 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:36,577 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:36,589 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-07 08:25:36,778 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:36,778 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:36,779 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:36,779 INFO  L85        PathProgramCache]: Analyzing trace with hash 627351345, now seen corresponding path program 1 times
[2024-11-07 08:25:36,779 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:25:36,779 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [356205869]
[2024-11-07 08:25:36,779 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:36,780 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:36,780 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:25:36,784 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:25:36,785 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-07 08:25:37,013 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:37,020 INFO  L255         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 08:25:37,028 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:25:37,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-07 08:25:37,071 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 08:25:37,072 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:25:37,072 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [356205869]
[2024-11-07 08:25:37,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [356205869] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 08:25:37,072 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 08:25:37,072 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 08:25:37,072 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291045095]
[2024-11-07 08:25:37,072 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 08:25:37,073 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 08:25:37,073 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:25:37,073 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 08:25:37,074 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 08:25:37,074 INFO  L87              Difference]: Start difference. First operand 97 states and 141 transitions. Second operand  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:37,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:37,520 INFO  L93              Difference]: Finished difference Result 145 states and 211 transitions.
[2024-11-07 08:25:37,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 08:25:37,520 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 105
[2024-11-07 08:25:37,521 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:37,522 INFO  L225             Difference]: With dead ends: 145
[2024-11-07 08:25:37,522 INFO  L226             Difference]: Without dead ends: 97
[2024-11-07 08:25:37,523 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 103 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 08:25:37,523 INFO  L432           NwaCegarLoop]: 71 mSDtfsCounter, 0 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:37,524 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-07 08:25:37,525 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2024-11-07 08:25:37,542 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2024-11-07 08:25:37,543 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 62 states have internal predecessors, (75), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32)
[2024-11-07 08:25:37,544 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions.
[2024-11-07 08:25:37,544 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 105
[2024-11-07 08:25:37,545 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:37,545 INFO  L471      AbstractCegarLoop]: Abstraction has 97 states and 139 transitions.
[2024-11-07 08:25:37,545 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-07 08:25:37,545 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions.
[2024-11-07 08:25:37,547 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-07 08:25:37,547 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:37,547 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:37,559 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-07 08:25:37,747 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:37,748 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:37,748 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:37,749 INFO  L85        PathProgramCache]: Analyzing trace with hash -798458518, now seen corresponding path program 1 times
[2024-11-07 08:25:37,749 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:25:37,749 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711815814]
[2024-11-07 08:25:37,749 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:37,749 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:37,749 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:25:37,752 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:25:37,753 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-07 08:25:37,995 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:38,005 INFO  L255         TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 08:25:38,008 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 08:25:38,135 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 145 proven. 6 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked.
[2024-11-07 08:25:38,135 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 08:25:38,401 INFO  L134       CoverageAnalysis]: Checked inductivity of 480 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-07 08:25:38,403 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 08:25:38,403 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [711815814]
[2024-11-07 08:25:38,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [711815814] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 08:25:38,403 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 08:25:38,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-07 08:25:38,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386688233]
[2024-11-07 08:25:38,403 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 08:25:38,405 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-07 08:25:38,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 08:25:38,406 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-07 08:25:38,406 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-07 08:25:38,406 INFO  L87              Difference]: Start difference. First operand 97 states and 139 transitions. Second operand  has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2024-11-07 08:25:41,486 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-07 08:25:41,786 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 08:25:41,787 INFO  L93              Difference]: Finished difference Result 266 states and 369 transitions.
[2024-11-07 08:25:41,787 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-07 08:25:41,787 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 106
[2024-11-07 08:25:41,788 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 08:25:41,789 INFO  L225             Difference]: With dead ends: 266
[2024-11-07 08:25:41,790 INFO  L226             Difference]: Without dead ends: 172
[2024-11-07 08:25:41,791 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 204 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342
[2024-11-07 08:25:41,791 INFO  L432           NwaCegarLoop]: 50 mSDtfsCounter, 171 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time
[2024-11-07 08:25:41,792 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 160 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time]
[2024-11-07 08:25:41,793 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 172 states.
[2024-11-07 08:25:41,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 157.
[2024-11-07 08:25:41,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 157 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48)
[2024-11-07 08:25:41,833 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 214 transitions.
[2024-11-07 08:25:41,834 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 214 transitions. Word has length 106
[2024-11-07 08:25:41,834 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 08:25:41,834 INFO  L471      AbstractCegarLoop]: Abstraction has 157 states and 214 transitions.
[2024-11-07 08:25:41,834 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.75) internal successors, (38), 8 states have internal predecessors, (38), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)
[2024-11-07 08:25:41,834 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions.
[2024-11-07 08:25:41,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-07 08:25:41,836 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 08:25:41,836 INFO  L215           NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 08:25:41,849 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-07 08:25:42,036 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:42,037 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 08:25:42,037 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 08:25:42,038 INFO  L85        PathProgramCache]: Analyzing trace with hash -739353174, now seen corresponding path program 1 times
[2024-11-07 08:25:42,038 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 08:25:42,038 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582840064]
[2024-11-07 08:25:42,038 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 08:25:42,038 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 08:25:42,038 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 08:25:42,040 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 08:25:42,041 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-07 08:25:42,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 08:25:42,238 INFO  L255         TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-07 08:25:42,244 INFO  L278         TraceCheckSpWp]: Computing forward predicates...