./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 fcb8e130
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-fcb8e13
[2021-11-23 01:15:10,674 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-11-23 01:15:10,701 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-23 01:15:10,739 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-23 01:15:10,740 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-23 01:15:10,741 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-23 01:15:10,741 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-23 01:15:10,743 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-23 01:15:10,744 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-23 01:15:10,749 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-23 01:15:10,750 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-11-23 01:15:10,751 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-23 01:15:10,752 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-23 01:15:10,754 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-23 01:15:10,755 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-23 01:15:10,756 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-23 01:15:10,761 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-23 01:15:10,762 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-23 01:15:10,763 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-23 01:15:10,765 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-23 01:15:10,766 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-23 01:15:10,770 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-23 01:15:10,771 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-11-23 01:15:10,772 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-23 01:15:10,773 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-23 01:15:10,775 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-23 01:15:10,775 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-23 01:15:10,775 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-23 01:15:10,776 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-23 01:15:10,777 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-23 01:15:10,777 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-23 01:15:10,778 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-23 01:15:10,779 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-23 01:15:10,780 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-23 01:15:10,781 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-23 01:15:10,781 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-23 01:15:10,782 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-23 01:15:10,782 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-23 01:15:10,782 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-23 01:15:10,782 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-23 01:15:10,783 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-11-23 01:15:10,784 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2021-11-23 01:15:10,808 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-11-23 01:15:10,809 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-23 01:15:10,809 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-23 01:15:10,809 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-23 01:15:10,810 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-23 01:15:10,810 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-11-23 01:15:10,811 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-11-23 01:15:10,811 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-23 01:15:10,811 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-11-23 01:15:10,811 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-11-23 01:15:10,812 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-11-23 01:15:10,812 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-23 01:15:10,812 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-11-23 01:15:10,812 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-11-23 01:15:10,812 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-11-23 01:15:10,813 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-11-23 01:15:10,813 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-23 01:15:10,813 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-11-23 01:15:10,813 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-11-23 01:15:10,813 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-23 01:15:10,813 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-23 01:15:10,814 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-11-23 01:15:10,814 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-23 01:15:10,814 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-11-23 01:15:10,814 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-23 01:15:10,814 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-11-23 01:15:10,814 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-23 01:15:10,815 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-23 01:15:10,815 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-11-23 01:15:10,815 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
[2021-11-23 01:15:11,023 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-23 01:15:11,038 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-23 01:15:11,040 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-23 01:15:11,041 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-11-23 01:15:11,041 INFO  L275        PluginConnector]: CDTParser initialized
[2021-11-23 01:15:11,042 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i
[2021-11-23 01:15:11,100 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdb3e6b6/aae0b163de18410d9fb9823ad197f7ab/FLAG24aea8f1e
[2021-11-23 01:15:11,721 INFO  L306              CDTParser]: Found 1 translation units.
[2021-11-23 01:15:11,722 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i
[2021-11-23 01:15:11,767 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdb3e6b6/aae0b163de18410d9fb9823ad197f7ab/FLAG24aea8f1e
[2021-11-23 01:15:11,846 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bdb3e6b6/aae0b163de18410d9fb9823ad197f7ab
[2021-11-23 01:15:11,848 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-23 01:15:11,849 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-23 01:15:11,852 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-23 01:15:11,852 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-23 01:15:11,854 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-23 01:15:11,855 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:11" (1/1) ...
[2021-11-23 01:15:11,856 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1c455b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:11, skipping insertion in model container
[2021-11-23 01:15:11,856 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:11" (1/1) ...
[2021-11-23 01:15:11,860 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-11-23 01:15:11,960 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-11-23 01:15:13,618 WARN  L230   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]
[2021-11-23 01:15:13,674 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 01:15:13,728 INFO  L203         MainTranslator]: Completed pre-run
[2021-11-23 01:15:14,051 WARN  L230   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]
[2021-11-23 01:15:14,062 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2021-11-23 01:15:14,294 INFO  L208         MainTranslator]: Completed translation
[2021-11-23 01:15:14,295 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14 WrapperNode
[2021-11-23 01:15:14,295 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-23 01:15:14,296 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-23 01:15:14,297 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-23 01:15:14,297 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-23 01:15:14,302 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:14,411 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:16,345 INFO  L137                Inliner]: procedures = 261, calls = 3500, calls flagged for inlining = 950, calls inlined = 11135, statements flattened = 113866
[2021-11-23 01:15:16,345 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-23 01:15:16,346 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-23 01:15:16,346 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-23 01:15:16,346 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-11-23 01:15:16,359 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:16,360 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:17,248 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:17,248 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:18,563 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:18,955 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:19,178 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:19,596 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-23 01:15:19,597 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-23 01:15:19,597 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-11-23 01:15:19,598 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-11-23 01:15:19,599 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (1/1) ...
[2021-11-23 01:15:19,604 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-23 01:15:19,612 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2021-11-23 01:15:19,633 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)
[2021-11-23 01:15:19,655 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
[2021-11-23 01:15:19,666 INFO  L130     BoogieDeclarations]: Found specification of procedure strncmp
[2021-11-23 01:15:19,666 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2021-11-23 01:15:19,666 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure strcat
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2021-11-23 01:15:19,667 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure __bad_percpu_size
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-23 01:15:19,668 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-23 01:15:19,668 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-23 01:15:20,393 INFO  L236             CfgBuilder]: Building ICFG
[2021-11-23 01:15:20,394 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-23 01:16:01,108 INFO  L277             CfgBuilder]: Performing block encoding
[2021-11-23 01:16:01,187 INFO  L296             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-23 01:16:01,188 INFO  L301             CfgBuilder]: Removed 0 assume(true) statements.
[2021-11-23 01:16:01,201 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:01 BoogieIcfgContainer
[2021-11-23 01:16:01,201 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-23 01:16:01,202 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-23 01:16:01,202 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-11-23 01:16:01,206 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-11-23 01:16:01,206 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:15:11" (1/3) ...
[2021-11-23 01:16:01,207 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bb5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:16:01, skipping insertion in model container
[2021-11-23 01:16:01,207 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:14" (2/3) ...
[2021-11-23 01:16:01,208 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70bb5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:16:01, skipping insertion in model container
[2021-11-23 01:16:01,208 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:16:01" (3/3) ...
[2021-11-23 01:16:01,209 INFO  L111   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--atm--solos-pci.ko-entry_point.cil.out.i
[2021-11-23 01:16:01,212 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-23 01:16:01,213 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations.
[2021-11-23 01:16:01,282 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-23 01:16:01,286 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
[2021-11-23 01:16:01,286 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 104 error locations.
[2021-11-23 01:16:01,455 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 20353 states, 20248 states have (on average 1.3390458316870801) internal successors, (27113), 20352 states have internal predecessors, (27113), 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)
[2021-11-23 01:16:01,489 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1039
[2021-11-23 01:16:01,490 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-23 01:16:01,491 INFO  L514         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]
[2021-11-23 01:16:01,493 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)] ===
[2021-11-23 01:16:01,499 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-23 01:16:01,500 INFO  L85        PathProgramCache]: Analyzing trace with hash -1676019412, now seen corresponding path program 1 times
[2021-11-23 01:16:01,505 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-23 01:16:01,506 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668287736]
[2021-11-23 01:16:01,506 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-23 01:16:01,507 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-23 01:16:02,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-23 01:16:03,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-23 01:16:03,001 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-23 01:16:03,001 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668287736]
[2021-11-23 01:16:03,001 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668287736] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-23 01:16:03,002 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-23 01:16:03,002 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-23 01:16:03,003 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813874414]
[2021-11-23 01:16:03,004 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-23 01:16:03,008 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-23 01:16:03,008 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-23 01:16:03,029 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-23 01:16:03,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-23 01:16:03,069 INFO  L87              Difference]: Start difference. First operand  has 20353 states, 20248 states have (on average 1.3390458316870801) internal successors, (27113), 20352 states have internal predecessors, (27113), 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)
[2021-11-23 01:16:03,603 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-23 01:16:03,603 INFO  L93              Difference]: Finished difference Result 40598 states and 54117 transitions.
[2021-11-23 01:16:03,604 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-11-23 01:16:03,606 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
[2021-11-23 01:16:03,606 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-23 01:16:03,683 INFO  L225             Difference]: With dead ends: 40598
[2021-11-23 01:16:03,683 INFO  L226             Difference]: Without dead ends: 19937
[2021-11-23 01:16:03,718 INFO  L932         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
[2021-11-23 01:16:03,721 INFO  L933         BasicCegarLoop]: 26302 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, 26302 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
[2021-11-23 01:16:03,721 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 26302 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-23 01:16:03,767 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19937 states.
[2021-11-23 01:16:04,075 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19937 to 19937.
[2021-11-23 01:16:04,105 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19937 states, 19833 states have (on average 1.2950637825845812) internal successors, (25685), 19936 states have internal predecessors, (25685), 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)
[2021-11-23 01:16:04,146 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19937 states to 19937 states and 25685 transitions.
[2021-11-23 01:16:04,147 INFO  L78                 Accepts]: Start accepts. Automaton has 19937 states and 25685 transitions. Word has length 1038
[2021-11-23 01:16:04,148 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-23 01:16:04,148 INFO  L470      AbstractCegarLoop]: Abstraction has 19937 states and 25685 transitions.
[2021-11-23 01:16:04,149 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)
[2021-11-23 01:16:04,149 INFO  L276                IsEmpty]: Start isEmpty. Operand 19937 states and 25685 transitions.
[2021-11-23 01:16:04,165 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1039
[2021-11-23 01:16:04,166 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-23 01:16:04,166 INFO  L514         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]
[2021-11-23 01:16:04,166 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-23 01:16:04,167 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)] ===
[2021-11-23 01:16:04,167 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-23 01:16:04,168 INFO  L85        PathProgramCache]: Analyzing trace with hash 2005528142, now seen corresponding path program 1 times
[2021-11-23 01:16:04,168 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-23 01:16:04,168 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823403499]
[2021-11-23 01:16:04,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-23 01:16:04,168 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-23 01:16:05,002 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-23 01:16:06,487 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-23 01:16:06,487 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-23 01:16:06,487 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823403499]
[2021-11-23 01:16:06,487 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823403499] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-23 01:16:06,488 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-23 01:16:06,488 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-23 01:16:06,488 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492291210]
[2021-11-23 01:16:06,488 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-23 01:16:06,490 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-23 01:16:06,490 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-23 01:16:06,491 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-23 01:16:06,491 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-23 01:16:06,492 INFO  L87              Difference]: Start difference. First operand 19937 states and 25685 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)
[2021-11-23 01:16:07,303 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-23 01:16:07,303 INFO  L93              Difference]: Finished difference Result 57389 states and 74478 transitions.
[2021-11-23 01:16:07,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-23 01:16:07,304 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
[2021-11-23 01:16:07,308 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-23 01:16:07,413 INFO  L225             Difference]: With dead ends: 57389
[2021-11-23 01:16:07,414 INFO  L226             Difference]: Without dead ends: 38483
[2021-11-23 01:16:07,453 INFO  L932         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
[2021-11-23 01:16:07,455 INFO  L933         BasicCegarLoop]: 25684 mSDtfsCounter, 25212 mSDsluCounter, 24621 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25212 SdHoareTripleChecker+Valid, 50305 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2021-11-23 01:16:07,455 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [25212 Valid, 50305 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2021-11-23 01:16:07,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 38483 states.
[2021-11-23 01:16:08,119 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 38483 to 38072.
[2021-11-23 01:16:08,169 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 38072 states, 37968 states have (on average 1.3047302991993257) internal successors, (49538), 38071 states have internal predecessors, (49538), 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)
[2021-11-23 01:16:08,230 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38072 states to 38072 states and 49538 transitions.
[2021-11-23 01:16:08,230 INFO  L78                 Accepts]: Start accepts. Automaton has 38072 states and 49538 transitions. Word has length 1038
[2021-11-23 01:16:08,233 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-23 01:16:08,233 INFO  L470      AbstractCegarLoop]: Abstraction has 38072 states and 49538 transitions.
[2021-11-23 01:16:08,234 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)
[2021-11-23 01:16:08,234 INFO  L276                IsEmpty]: Start isEmpty. Operand 38072 states and 49538 transitions.
[2021-11-23 01:16:08,241 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1040
[2021-11-23 01:16:08,241 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-23 01:16:08,245 INFO  L514         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]
[2021-11-23 01:16:08,245 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-23 01:16:08,245 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)] ===
[2021-11-23 01:16:08,246 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-23 01:16:08,246 INFO  L85        PathProgramCache]: Analyzing trace with hash 2055624132, now seen corresponding path program 1 times
[2021-11-23 01:16:08,246 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-23 01:16:08,246 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788541811]
[2021-11-23 01:16:08,247 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-23 01:16:08,247 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-23 01:16:09,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-23 01:16:09,994 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-23 01:16:09,995 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-23 01:16:09,995 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788541811]
[2021-11-23 01:16:09,995 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788541811] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-23 01:16:09,995 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-23 01:16:09,995 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-23 01:16:09,996 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126105921]
[2021-11-23 01:16:09,996 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-23 01:16:09,997 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-23 01:16:09,997 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-23 01:16:09,998 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-23 01:16:10,000 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-23 01:16:10,000 INFO  L87              Difference]: Start difference. First operand 38072 states and 49538 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)
[2021-11-23 01:16:11,194 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-23 01:16:11,194 INFO  L93              Difference]: Finished difference Result 111438 states and 145572 transitions.
[2021-11-23 01:16:11,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-23 01:16:11,195 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
[2021-11-23 01:16:11,196 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-23 01:16:11,365 INFO  L225             Difference]: With dead ends: 111438
[2021-11-23 01:16:11,365 INFO  L226             Difference]: Without dead ends: 74397
[2021-11-23 01:16:11,451 INFO  L932         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
[2021-11-23 01:16:11,454 INFO  L933         BasicCegarLoop]: 26143 mSDtfsCounter, 25202 mSDsluCounter, 24621 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25202 SdHoareTripleChecker+Valid, 50764 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2021-11-23 01:16:11,457 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [25202 Valid, 50764 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2021-11-23 01:16:11,547 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 74397 states.
[2021-11-23 01:16:13,039 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 74397 to 73995.
[2021-11-23 01:16:13,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 73995 states, 73891 states have (on average 1.3098618234967723) internal successors, (96787), 73994 states have internal predecessors, (96787), 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)
[2021-11-23 01:16:13,322 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73995 states to 73995 states and 96787 transitions.
[2021-11-23 01:16:13,322 INFO  L78                 Accepts]: Start accepts. Automaton has 73995 states and 96787 transitions. Word has length 1039
[2021-11-23 01:16:13,323 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-23 01:16:13,323 INFO  L470      AbstractCegarLoop]: Abstraction has 73995 states and 96787 transitions.
[2021-11-23 01:16:13,324 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)
[2021-11-23 01:16:13,324 INFO  L276                IsEmpty]: Start isEmpty. Operand 73995 states and 96787 transitions.
[2021-11-23 01:16:13,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1042
[2021-11-23 01:16:13,334 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-23 01:16:13,335 INFO  L514         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]
[2021-11-23 01:16:13,335 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-23 01:16:13,336 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-23 01:16:13,336 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-23 01:16:13,336 INFO  L85        PathProgramCache]: Analyzing trace with hash 387108257, now seen corresponding path program 1 times
[2021-11-23 01:16:13,336 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-23 01:16:13,337 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131197214]
[2021-11-23 01:16:13,337 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-23 01:16:13,337 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-23 01:16:14,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-23 01:16:14,985 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-23 01:16:14,985 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-23 01:16:14,986 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131197214]
[2021-11-23 01:16:14,986 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131197214] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-23 01:16:14,986 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-23 01:16:14,986 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-23 01:16:14,986 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476736846]
[2021-11-23 01:16:14,986 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-23 01:16:14,987 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-23 01:16:14,987 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-23 01:16:14,989 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-23 01:16:14,989 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-23 01:16:14,990 INFO  L87              Difference]: Start difference. First operand 73995 states and 96787 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)
[2021-11-23 01:16:17,301 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-23 01:16:17,301 INFO  L93              Difference]: Finished difference Result 219202 states and 287319 transitions.
[2021-11-23 01:16:17,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-23 01:16:17,302 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
[2021-11-23 01:16:17,303 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-23 01:16:17,716 INFO  L225             Difference]: With dead ends: 219202
[2021-11-23 01:16:17,716 INFO  L226             Difference]: Without dead ends: 146238
[2021-11-23 01:16:17,848 INFO  L932         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
[2021-11-23 01:16:17,850 INFO  L933         BasicCegarLoop]: 26602 mSDtfsCounter, 25422 mSDsluCounter, 24624 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25422 SdHoareTripleChecker+Valid, 51226 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2021-11-23 01:16:17,851 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [25422 Valid, 51226 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2021-11-23 01:16:17,997 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 146238 states.
[2021-11-23 01:16:20,881 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 146238 to 145843.
[2021-11-23 01:16:21,057 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 145843 states, 145739 states have (on average 1.3125587522900528) internal successors, (191291), 145842 states have internal predecessors, (191291), 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)
[2021-11-23 01:16:21,379 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145843 states to 145843 states and 191291 transitions.
[2021-11-23 01:16:21,380 INFO  L78                 Accepts]: Start accepts. Automaton has 145843 states and 191291 transitions. Word has length 1041
[2021-11-23 01:16:21,381 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-11-23 01:16:21,381 INFO  L470      AbstractCegarLoop]: Abstraction has 145843 states and 191291 transitions.
[2021-11-23 01:16:21,382 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)
[2021-11-23 01:16:21,382 INFO  L276                IsEmpty]: Start isEmpty. Operand 145843 states and 191291 transitions.
[2021-11-23 01:16:21,388 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1042
[2021-11-23 01:16:21,389 INFO  L506         BasicCegarLoop]: Found error trace
[2021-11-23 01:16:21,389 INFO  L514         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]
[2021-11-23 01:16:21,390 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2021-11-23 01:16:21,390 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 101 more)] ===
[2021-11-23 01:16:21,391 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-11-23 01:16:21,391 INFO  L85        PathProgramCache]: Analyzing trace with hash 197495826, now seen corresponding path program 1 times
[2021-11-23 01:16:21,392 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-23 01:16:21,392 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883015193]
[2021-11-23 01:16:21,392 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-23 01:16:21,392 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-23 01:16:22,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-23 01:16:23,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-23 01:16:23,206 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-23 01:16:23,206 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883015193]
[2021-11-23 01:16:23,206 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883015193] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-23 01:16:23,206 INFO  L186   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-23 01:16:23,207 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-23 01:16:23,207 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820725481]
[2021-11-23 01:16:23,207 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-23 01:16:23,208 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-23 01:16:23,208 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-23 01:16:23,208 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-23 01:16:23,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-23 01:16:23,209 INFO  L87              Difference]: Start difference. First operand 145843 states and 191291 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)
[2021-11-23 01:16:27,650 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-23 01:16:27,651 INFO  L93              Difference]: Finished difference Result 434222 states and 570143 transitions.
[2021-11-23 01:16:27,651 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-11-23 01:16:27,652 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
[2021-11-23 01:16:27,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-23 01:16:28,812 INFO  L225             Difference]: With dead ends: 434222
[2021-11-23 01:16:28,813 INFO  L226             Difference]: Without dead ends: 289410
[2021-11-23 01:16:29,208 INFO  L932         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
[2021-11-23 01:16:29,209 INFO  L933         BasicCegarLoop]: 26830 mSDtfsCounter, 25450 mSDsluCounter, 24621 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25450 SdHoareTripleChecker+Valid, 51451 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2021-11-23 01:16:29,209 INFO  L934         BasicCegarLoop]: SdHoareTripleChecker [25450 Valid, 51451 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2021-11-23 01:16:29,468 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 289410 states.