./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 173e3943
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 64bit --witnessprinter.graph.data.programhash e42845ce55dda80b8a38719326b34a62ad9c77fa8c9f846978e486c8165ceba5
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-173e394
[2021-11-06 17:05:04,866 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-06 17:05:04,868 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-06 17:05:04,899 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-06 17:05:04,900 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-06 17:05:04,903 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-06 17:05:04,905 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-06 17:05:04,909 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-06 17:05:04,911 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-06 17:05:04,915 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-06 17:05:04,915 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-06 17:05:04,916 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-06 17:05:04,917 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-06 17:05:04,919 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-06 17:05:04,920 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-06 17:05:04,923 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-06 17:05:04,923 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-06 17:05:04,924 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-06 17:05:04,927 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-06 17:05:04,930 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-06 17:05:04,932 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-06 17:05:04,932 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-06 17:05:04,934 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-06 17:05:04,934 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-06 17:05:04,940 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-06 17:05:04,942 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-06 17:05:04,942 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-06 17:05:04,943 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-06 17:05:04,944 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-06 17:05:04,945 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-06 17:05:04,945 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-06 17:05:04,946 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-06 17:05:04,947 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-06 17:05:04,948 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-06 17:05:04,949 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-06 17:05:04,950 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-06 17:05:04,950 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-06 17:05:04,950 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-06 17:05:04,950 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-06 17:05:04,951 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-06 17:05:04,952 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-06 17:05:04,952 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2021-11-06 17:05:04,984 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-06 17:05:04,985 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-06 17:05:04,985 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-06 17:05:04,985 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-06 17:05:04,986 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-06 17:05:04,986 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-06 17:05:04,987 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-06 17:05:04,987 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-06 17:05:04,987 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-06 17:05:04,987 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-06 17:05:04,988 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-06 17:05:04,988 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-06 17:05:04,988 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-06 17:05:04,989 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-06 17:05:04,989 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-06 17:05:04,989 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-06 17:05:04,989 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-06 17:05:04,989 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-06 17:05:04,990 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-06 17:05:04,990 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-06 17:05:04,990 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-06 17:05:04,990 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-06 17:05:04,990 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-06 17:05:04,990 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-06 17:05:04,991 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-06 17:05:04,991 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-06 17:05:04,991 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-06 17:05:04,991 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-06 17:05:04,992 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-06 17:05:04,992 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e42845ce55dda80b8a38719326b34a62ad9c77fa8c9f846978e486c8165ceba5
[2021-11-06 17:05:05,174 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-06 17:05:05,191 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-06 17:05:05,193 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-06 17:05:05,194 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-06 17:05:05,195 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-06 17:05:05,196 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i
[2021-11-06 17:05:05,274 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af27d476/02e52cad0a114b199a9df0e6a477deb4/FLAG7d738ea4b
[2021-11-06 17:05:05,982 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-06 17:05:05,982 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i
[2021-11-06 17:05:06,040 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af27d476/02e52cad0a114b199a9df0e6a477deb4/FLAG7d738ea4b
[2021-11-06 17:05:06,054 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5af27d476/02e52cad0a114b199a9df0e6a477deb4
[2021-11-06 17:05:06,056 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-06 17:05:06,058 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-06 17:05:06,059 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-06 17:05:06,059 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-06 17:05:06,069 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-06 17:05:06,070 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:05:06" (1/1) ...
[2021-11-06 17:05:06,071 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e42b82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:06, skipping insertion in model container
[2021-11-06 17:05:06,073 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:05:06" (1/1) ...
[2021-11-06 17:05:06,078 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-06 17:05:06,227 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-06 17:05:08,014 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i[400474,400487]
[2021-11-06 17:05:08,073 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-06 17:05:08,141 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-06 17:05:08,557 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i[400474,400487]
[2021-11-06 17:05:08,571 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-11-06 17:05:08,857 INFO  L208         MainTranslator]: Completed translation
[2021-11-06 17:05:08,858 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08 WrapperNode
[2021-11-06 17:05:08,858 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-06 17:05:08,860 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-06 17:05:08,861 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-06 17:05:08,861 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-06 17:05:08,866 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:08,990 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:11,625 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-06 17:05:11,626 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-06 17:05:11,627 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-06 17:05:11,627 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-06 17:05:11,634 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:11,634 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:12,321 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:12,328 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:13,892 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:14,286 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:14,441 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:14,881 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-06 17:05:14,882 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-06 17:05:14,883 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-06 17:05:14,883 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-06 17:05:14,884 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (1/1) ...
[2021-11-06 17:05:14,890 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-06 17:05:14,899 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-11-06 17:05:14,912 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-06 17:05:14,935 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-06 17:05:14,956 INFO  L130     BoogieDeclarations]: Found specification of procedure strncmp
[2021-11-06 17:05:14,956 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2021-11-06 17:05:14,957 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-11-06 17:05:14,957 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-06 17:05:14,957 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure strcat
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-06 17:05:14,958 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-06 17:05:14,959 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-06 17:05:14,959 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-06 17:05:14,959 INFO  L130     BoogieDeclarations]: Found specification of procedure __bad_percpu_size
[2021-11-06 17:05:14,959 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-06 17:05:14,959 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-06 17:05:14,959 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-06 17:08:25,760 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-06 17:08:25,760 INFO  L299             CfgBuilder]: Removed 22268 assume(true) statements.
[2021-11-06 17:08:25,781 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:08:25 BoogieIcfgContainer
[2021-11-06 17:08:25,782 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-06 17:08:25,784 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-06 17:08:25,784 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-06 17:08:25,788 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-06 17:08:25,788 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:05:06" (1/3) ...
[2021-11-06 17:08:25,789 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a11780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:08:25, skipping insertion in model container
[2021-11-06 17:08:25,789 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:05:08" (2/3) ...
[2021-11-06 17:08:25,789 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a11780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:08:25, skipping insertion in model container
[2021-11-06 17:08:25,789 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:08:25" (3/3) ...
[2021-11-06 17:08:25,792 INFO  L111   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i
[2021-11-06 17:08:25,796 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-06 17:08:25,797 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations.
[2021-11-06 17:08:25,894 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-06 17:08:25,900 INFO  L339      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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-06 17:08:25,901 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 104 error locations.
[2021-11-06 17:08:26,122 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 17759 states, 17654 states have (on average 1.3888637136059816) internal successors, (24519), 17758 states have internal predecessors, (24519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:26,158 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1039
[2021-11-06 17:08:26,159 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-06 17:08:26,160 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-06 17:08:26,161 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-06 17:08:26,165 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-06 17:08:26,166 INFO  L85        PathProgramCache]: Analyzing trace with hash -1676019412, now seen corresponding path program 1 times
[2021-11-06 17:08:26,173 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-06 17:08:26,174 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757118306]
[2021-11-06 17:08:26,174 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-06 17:08:26,175 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-06 17:08:26,857 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-06 17:08:28,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-06 17:08:28,030 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-06 17:08:28,030 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757118306]
[2021-11-06 17:08:28,032 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757118306] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-06 17:08:28,034 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-06 17:08:28,035 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-06 17:08:28,037 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240012696]
[2021-11-06 17:08:28,044 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-06 17:08:28,044 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-06 17:08:28,057 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-06 17:08:28,058 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-06 17:08:28,103 INFO  L87              Difference]: Start difference. First operand  has 17759 states, 17654 states have (on average 1.3888637136059816) internal successors, (24519), 17758 states have internal predecessors, (24519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 519.0) internal successors, (1038), 2 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:28,691 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-06 17:08:28,691 INFO  L93              Difference]: Finished difference Result 35514 states and 49033 transitions.
[2021-11-06 17:08:28,692 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-06 17:08:28,693 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 519.0) internal successors, (1038), 2 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1038
[2021-11-06 17:08:28,694 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-06 17:08:28,788 INFO  L225             Difference]: With dead ends: 35514
[2021-11-06 17:08:28,789 INFO  L226             Difference]: Without dead ends: 17448
[2021-11-06 17:08:28,839 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-06 17:08:28,889 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17448 states.
[2021-11-06 17:08:29,281 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17448 to 17448.
[2021-11-06 17:08:29,313 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17448 states, 17344 states have (on average 1.3374077490774907) internal successors, (23196), 17447 states have internal predecessors, (23196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:29,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17448 states to 17448 states and 23196 transitions.
[2021-11-06 17:08:29,371 INFO  L78                 Accepts]: Start accepts. Automaton has 17448 states and 23196 transitions. Word has length 1038
[2021-11-06 17:08:29,372 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-06 17:08:29,372 INFO  L470      AbstractCegarLoop]: Abstraction has 17448 states and 23196 transitions.
[2021-11-06 17:08:29,373 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 519.0) internal successors, (1038), 2 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:29,374 INFO  L276                IsEmpty]: Start isEmpty. Operand 17448 states and 23196 transitions.
[2021-11-06 17:08:29,399 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1039
[2021-11-06 17:08:29,399 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-06 17:08:29,400 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-06 17:08:29,401 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-06 17:08:29,401 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-06 17:08:29,403 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-06 17:08:29,404 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005528142, now seen corresponding path program 1 times
[2021-11-06 17:08:29,404 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-06 17:08:29,404 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457180298]
[2021-11-06 17:08:29,405 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-06 17:08:29,405 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-06 17:08:30,235 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-06 17:08:31,669 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-06 17:08:31,669 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-06 17:08:31,670 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457180298]
[2021-11-06 17:08:31,670 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457180298] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-06 17:08:31,670 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-06 17:08:31,670 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-06 17:08:31,670 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081227515]
[2021-11-06 17:08:31,672 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-06 17:08:31,672 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-06 17:08:31,673 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-06 17:08:31,673 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:31,674 INFO  L87              Difference]: Start difference. First operand 17448 states and 23196 transitions. Second operand  has 3 states, 3 states have (on average 346.0) internal successors, (1038), 3 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:32,690 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-06 17:08:32,691 INFO  L93              Difference]: Finished difference Result 49971 states and 67060 transitions.
[2021-11-06 17:08:32,691 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-06 17:08:32,692 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 346.0) internal successors, (1038), 3 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1038
[2021-11-06 17:08:32,696 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-06 17:08:32,815 INFO  L225             Difference]: With dead ends: 49971
[2021-11-06 17:08:32,815 INFO  L226             Difference]: Without dead ends: 33554
[2021-11-06 17:08:32,855 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:32,907 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 33554 states.
[2021-11-06 17:08:33,561 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 33554 to 33143.
[2021-11-06 17:08:33,609 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 33143 states, 33039 states have (on average 1.3501921971003965) internal successors, (44609), 33142 states have internal predecessors, (44609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:33,867 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 33143 states to 33143 states and 44609 transitions.
[2021-11-06 17:08:33,869 INFO  L78                 Accepts]: Start accepts. Automaton has 33143 states and 44609 transitions. Word has length 1038
[2021-11-06 17:08:33,872 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-06 17:08:33,872 INFO  L470      AbstractCegarLoop]: Abstraction has 33143 states and 44609 transitions.
[2021-11-06 17:08:33,873 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 346.0) internal successors, (1038), 3 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:33,873 INFO  L276                IsEmpty]: Start isEmpty. Operand 33143 states and 44609 transitions.
[2021-11-06 17:08:33,901 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1040
[2021-11-06 17:08:33,902 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-06 17:08:33,903 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-06 17:08:33,904 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-06 17:08:33,906 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-06 17:08:33,913 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-06 17:08:33,914 INFO  L85        PathProgramCache]: Analyzing trace with hash -849059758, now seen corresponding path program 1 times
[2021-11-06 17:08:33,914 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-06 17:08:33,914 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130112085]
[2021-11-06 17:08:33,915 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-06 17:08:33,916 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-06 17:08:34,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-06 17:08:35,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-06 17:08:35,742 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-06 17:08:35,742 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130112085]
[2021-11-06 17:08:35,743 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130112085] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-06 17:08:35,743 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-06 17:08:35,743 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-06 17:08:35,743 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488636609]
[2021-11-06 17:08:35,744 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-06 17:08:35,744 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-06 17:08:35,805 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-06 17:08:35,805 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:35,805 INFO  L87              Difference]: Start difference. First operand 33143 states and 44609 transitions. Second operand  has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:37,098 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-06 17:08:37,098 INFO  L93              Difference]: Finished difference Result 96748 states and 130882 transitions.
[2021-11-06 17:08:37,099 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-06 17:08:37,100 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1039
[2021-11-06 17:08:37,101 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-06 17:08:37,302 INFO  L225             Difference]: With dead ends: 96748
[2021-11-06 17:08:37,302 INFO  L226             Difference]: Without dead ends: 64636
[2021-11-06 17:08:37,384 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:37,462 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64636 states.
[2021-11-06 17:08:38,692 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64636 to 64234.
[2021-11-06 17:08:38,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64234 states, 64130 states have (on average 1.3570247933884299) internal successors, (87026), 64233 states have internal predecessors, (87026), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:39,179 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64234 states to 64234 states and 87026 transitions.
[2021-11-06 17:08:39,180 INFO  L78                 Accepts]: Start accepts. Automaton has 64234 states and 87026 transitions. Word has length 1039
[2021-11-06 17:08:39,181 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-06 17:08:39,181 INFO  L470      AbstractCegarLoop]: Abstraction has 64234 states and 87026 transitions.
[2021-11-06 17:08:39,182 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 346.3333333333333) internal successors, (1039), 3 states have internal predecessors, (1039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:39,182 INFO  L276                IsEmpty]: Start isEmpty. Operand 64234 states and 87026 transitions.
[2021-11-06 17:08:39,190 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1042
[2021-11-06 17:08:39,191 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-06 17:08:39,191 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-06 17:08:39,192 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-06 17:08:39,192 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-06 17:08:39,193 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-06 17:08:39,193 INFO  L85        PathProgramCache]: Analyzing trace with hash 674130912, now seen corresponding path program 1 times
[2021-11-06 17:08:39,193 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-06 17:08:39,194 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217815877]
[2021-11-06 17:08:39,194 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-06 17:08:39,194 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-06 17:08:39,789 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-06 17:08:41,068 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-06 17:08:41,068 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-06 17:08:41,068 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217815877]
[2021-11-06 17:08:41,068 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217815877] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-06 17:08:41,069 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-06 17:08:41,069 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-06 17:08:41,069 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612590908]
[2021-11-06 17:08:41,070 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-06 17:08:41,070 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-06 17:08:41,071 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-06 17:08:41,072 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:41,072 INFO  L87              Difference]: Start difference. First operand 64234 states and 87026 transitions. Second operand  has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:43,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-06 17:08:43,042 INFO  L93              Difference]: Finished difference Result 190088 states and 258229 transitions.
[2021-11-06 17:08:43,042 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-06 17:08:43,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1041
[2021-11-06 17:08:43,046 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-06 17:08:43,527 INFO  L225             Difference]: With dead ends: 190088
[2021-11-06 17:08:43,527 INFO  L226             Difference]: Without dead ends: 126885
[2021-11-06 17:08:43,664 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:43,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126885 states.
[2021-11-06 17:08:46,006 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126885 to 126490.
[2021-11-06 17:08:46,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 126490 states, 126386 states have (on average 1.3606095611855744) internal successors, (171962), 126489 states have internal predecessors, (171962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:46,349 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126490 states to 126490 states and 171962 transitions.
[2021-11-06 17:08:46,349 INFO  L78                 Accepts]: Start accepts. Automaton has 126490 states and 171962 transitions. Word has length 1041
[2021-11-06 17:08:46,351 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-06 17:08:46,351 INFO  L470      AbstractCegarLoop]: Abstraction has 126490 states and 171962 transitions.
[2021-11-06 17:08:46,351 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:46,351 INFO  L276                IsEmpty]: Start isEmpty. Operand 126490 states and 171962 transitions.
[2021-11-06 17:08:46,359 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1042
[2021-11-06 17:08:46,359 INFO  L505         BasicCegarLoop]: Found error trace
[2021-11-06 17:08:46,359 INFO  L513         BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-06 17:08:46,360 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-06 17:08:46,360 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-06 17:08:46,360 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-06 17:08:46,360 INFO  L85        PathProgramCache]: Analyzing trace with hash -2132304487, now seen corresponding path program 1 times
[2021-11-06 17:08:46,361 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-06 17:08:46,361 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876605072]
[2021-11-06 17:08:46,361 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-06 17:08:46,361 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-06 17:08:47,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-06 17:08:48,053 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-06 17:08:48,053 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-06 17:08:48,054 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876605072]
[2021-11-06 17:08:48,054 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876605072] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-06 17:08:48,054 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-11-06 17:08:48,054 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-06 17:08:48,054 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220890833]
[2021-11-06 17:08:48,055 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-06 17:08:48,055 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-06 17:08:48,056 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-06 17:08:48,056 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:48,056 INFO  L87              Difference]: Start difference. First operand 126490 states and 171962 transitions. Second operand  has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-06 17:08:51,805 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-06 17:08:51,806 INFO  L93              Difference]: Finished difference Result 376188 states and 512133 transitions.
[2021-11-06 17:08:51,807 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-06 17:08:51,807 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 347.0) internal successors, (1041), 3 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1041
[2021-11-06 17:08:51,809 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-06 17:08:52,468 INFO  L225             Difference]: With dead ends: 376188
[2021-11-06 17:08:52,468 INFO  L226             Difference]: Without dead ends: 250729
[2021-11-06 17:08:52,672 INFO  L786         BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-06 17:08:52,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 250729 states.