./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.1.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version cf1a7837
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 711eea055f8e236b9e68d21712425c1447e628ab0123288475bceccb02533220
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-cf1a783
[2023-11-12 02:06:36,026 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-12 02:06:36,151 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-12 02:06:36,159 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-12 02:06:36,160 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-12 02:06:36,199 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-12 02:06:36,200 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-12 02:06:36,200 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-12 02:06:36,201 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-12 02:06:36,207 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-12 02:06:36,208 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-12 02:06:36,208 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-12 02:06:36,209 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-12 02:06:36,211 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-12 02:06:36,211 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-12 02:06:36,212 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-12 02:06:36,212 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-12 02:06:36,213 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-12 02:06:36,214 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-12 02:06:36,214 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-12 02:06:36,215 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-12 02:06:36,215 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-12 02:06:36,216 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-12 02:06:36,217 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-12 02:06:36,218 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-12 02:06:36,218 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:06:36,219 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-12 02:06:36,219 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-12 02:06:36,220 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-12 02:06:36,220 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-12 02:06:36,222 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-12 02:06:36,222 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-12 02:06:36,222 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-12 02:06:36,223 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-12 02:06:36,223 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-12 02:06:36,223 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-12 02:06:36,224 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 711eea055f8e236b9e68d21712425c1447e628ab0123288475bceccb02533220
[2023-11-12 02:06:36,565 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-12 02:06:36,597 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-12 02:06:36,600 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-12 02:06:36,601 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-12 02:06:36,602 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-12 02:06:36,603 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.1.prop1-func-interl.c
[2023-11-12 02:06:39,806 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-12 02:06:40,218 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-12 02:06:40,219 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.1.prop1-func-interl.c
[2023-11-12 02:06:40,244 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/data/2c5077f23/e260440ad0464434b40d02f3f0c8907b/FLAG6c0e627d6
[2023-11-12 02:06:40,262 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/data/2c5077f23/e260440ad0464434b40d02f3f0c8907b
[2023-11-12 02:06:40,267 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-12 02:06:40,269 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-12 02:06:40,272 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-12 02:06:40,273 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-12 02:06:40,279 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-12 02:06:40,280 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ...
[2023-11-12 02:06:40,281 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c4de265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:40, skipping insertion in model container
[2023-11-12 02:06:40,281 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:06:40" (1/1) ...
[2023-11-12 02:06:40,380 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-12 02:06:40,669 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.1.prop1-func-interl.c[1173,1186]
[2023-11-12 02:06:41,333 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:06:41,344 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-12 02:06:41,358 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bridge.1.prop1-func-interl.c[1173,1186]
[2023-11-12 02:06:41,624 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:06:41,640 INFO  L206         MainTranslator]: Completed translation
[2023-11-12 02:06:41,641 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41 WrapperNode
[2023-11-12 02:06:41,641 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-12 02:06:41,643 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-12 02:06:41,643 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-12 02:06:41,643 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-12 02:06:41,651 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:41,762 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:42,941 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 10607
[2023-11-12 02:06:42,942 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-12 02:06:42,943 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-12 02:06:42,943 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-12 02:06:42,943 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-12 02:06:42,959 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:42,959 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:43,481 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:43,482 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:44,066 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:44,155 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:44,380 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:44,419 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:44,629 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-12 02:06:44,630 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-12 02:06:44,630 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-12 02:06:44,630 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-12 02:06:44,631 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (1/1) ...
[2023-11-12 02:06:44,637 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:06:44,649 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:06:44,665 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-12 02:06:44,683 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-12 02:06:44,706 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-12 02:06:44,706 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-12 02:06:44,706 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-12 02:06:44,707 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-12 02:06:45,285 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-12 02:06:45,287 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-12 02:06:52,986 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-12 02:06:53,019 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-12 02:06:53,019 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-12 02:06:53,026 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:53 BoogieIcfgContainer
[2023-11-12 02:06:53,026 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-12 02:06:53,030 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-12 02:06:53,030 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-12 02:06:53,033 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-12 02:06:53,034 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:06:40" (1/3) ...
[2023-11-12 02:06:53,034 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d5fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:53, skipping insertion in model container
[2023-11-12 02:06:53,035 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:06:41" (2/3) ...
[2023-11-12 02:06:53,036 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16d5fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:06:53, skipping insertion in model container
[2023-11-12 02:06:53,038 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:06:53" (3/3) ...
[2023-11-12 02:06:53,039 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bridge.1.prop1-func-interl.c
[2023-11-12 02:06:53,061 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-12 02:06:53,061 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-12 02:06:53,181 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-12 02:06:53,189 INFO  L357      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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@73a01c72, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-12 02:06:53,189 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-12 02:06:53,205 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 2417 states, 2415 states have (on average 1.6658385093167702) internal successors, (4023), 2416 states have internal predecessors, (4023), 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)
[2023-11-12 02:06:53,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2023-11-12 02:06:53,227 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:06:53,228 INFO  L195           NwaCegarLoop]: 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]
[2023-11-12 02:06:53,229 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:06:53,237 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:06:53,237 INFO  L85        PathProgramCache]: Analyzing trace with hash 1701291158, now seen corresponding path program 1 times
[2023-11-12 02:06:53,248 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:06:53,249 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692648295]
[2023-11-12 02:06:53,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:06:53,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:06:53,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:06:54,502 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:06:54,503 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:06:54,503 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692648295]
[2023-11-12 02:06:54,504 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692648295] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:06:54,504 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:06:54,504 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:06:54,506 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861240494]
[2023-11-12 02:06:54,507 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:06:54,513 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:06:54,514 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:06:54,555 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:06:54,556 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:06:54,565 INFO  L87              Difference]: Start difference. First operand  has 2417 states, 2415 states have (on average 1.6658385093167702) internal successors, (4023), 2416 states have internal predecessors, (4023), 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 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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)
[2023-11-12 02:06:54,867 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:06:54,867 INFO  L93              Difference]: Finished difference Result 4752 states and 7914 transitions.
[2023-11-12 02:06:54,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-12 02:06:54,870 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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 135
[2023-11-12 02:06:54,872 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:06:54,907 INFO  L225             Difference]: With dead ends: 4752
[2023-11-12 02:06:54,907 INFO  L226             Difference]: Without dead ends: 2415
[2023-11-12 02:06:54,919 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:06:54,924 INFO  L413           NwaCegarLoop]: 4015 mSDtfsCounter, 1 mSDsluCounter, 8024 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12039 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:06:54,925 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12039 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:06:54,952 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2415 states.
[2023-11-12 02:06:55,068 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2415.
[2023-11-12 02:06:55,077 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2415 states, 2414 states have (on average 1.6648715824357911) internal successors, (4019), 2414 states have internal predecessors, (4019), 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)
[2023-11-12 02:06:55,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2415 states and 4019 transitions.
[2023-11-12 02:06:55,090 INFO  L78                 Accepts]: Start accepts. Automaton has 2415 states and 4019 transitions. Word has length 135
[2023-11-12 02:06:55,094 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:06:55,095 INFO  L495      AbstractCegarLoop]: Abstraction has 2415 states and 4019 transitions.
[2023-11-12 02:06:55,095 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 33.75) internal successors, (135), 4 states have internal predecessors, (135), 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)
[2023-11-12 02:06:55,095 INFO  L276                IsEmpty]: Start isEmpty. Operand 2415 states and 4019 transitions.
[2023-11-12 02:06:55,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 137
[2023-11-12 02:06:55,110 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:06:55,110 INFO  L195           NwaCegarLoop]: 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]
[2023-11-12 02:06:55,111 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-12 02:06:55,111 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:06:55,112 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:06:55,112 INFO  L85        PathProgramCache]: Analyzing trace with hash 1202144074, now seen corresponding path program 1 times
[2023-11-12 02:06:55,113 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:06:55,113 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424714532]
[2023-11-12 02:06:55,113 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:06:55,113 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:06:55,247 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:06:55,625 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:06:55,625 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:06:55,626 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424714532]
[2023-11-12 02:06:55,626 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424714532] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:06:55,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:06:55,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:06:55,627 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504539066]
[2023-11-12 02:06:55,628 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:06:55,630 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:06:55,631 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:06:55,632 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:06:55,632 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:06:55,633 INFO  L87              Difference]: Start difference. First operand 2415 states and 4019 transitions. Second operand  has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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)
[2023-11-12 02:06:55,823 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:06:55,824 INFO  L93              Difference]: Finished difference Result 4753 states and 7910 transitions.
[2023-11-12 02:06:55,824 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-12 02:06:55,825 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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 136
[2023-11-12 02:06:55,828 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:06:55,842 INFO  L225             Difference]: With dead ends: 4753
[2023-11-12 02:06:55,842 INFO  L226             Difference]: Without dead ends: 2418
[2023-11-12 02:06:55,850 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:06:55,853 INFO  L413           NwaCegarLoop]: 4015 mSDtfsCounter, 1 mSDsluCounter, 8021 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12036 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:06:55,854 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12036 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:06:55,863 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2418 states.
[2023-11-12 02:06:55,913 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 2417.
[2023-11-12 02:06:55,921 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2417 states, 2416 states have (on average 1.6643211920529801) internal successors, (4021), 2416 states have internal predecessors, (4021), 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)
[2023-11-12 02:06:55,934 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 4021 transitions.
[2023-11-12 02:06:55,934 INFO  L78                 Accepts]: Start accepts. Automaton has 2417 states and 4021 transitions. Word has length 136
[2023-11-12 02:06:55,935 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:06:55,936 INFO  L495      AbstractCegarLoop]: Abstraction has 2417 states and 4021 transitions.
[2023-11-12 02:06:55,937 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 34.0) internal successors, (136), 4 states have internal predecessors, (136), 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)
[2023-11-12 02:06:55,937 INFO  L276                IsEmpty]: Start isEmpty. Operand 2417 states and 4021 transitions.
[2023-11-12 02:06:55,939 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2023-11-12 02:06:55,939 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:06:55,939 INFO  L195           NwaCegarLoop]: 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]
[2023-11-12 02:06:55,940 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-12 02:06:55,940 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:06:55,951 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:06:55,951 INFO  L85        PathProgramCache]: Analyzing trace with hash -1598671056, now seen corresponding path program 1 times
[2023-11-12 02:06:55,952 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:06:55,952 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750879877]
[2023-11-12 02:06:55,953 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:06:55,953 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:06:56,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:06:56,506 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:06:56,507 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:06:56,507 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750879877]
[2023-11-12 02:06:56,507 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750879877] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:06:56,508 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:06:56,509 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-12 02:06:56,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674020189]
[2023-11-12 02:06:56,509 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:06:56,510 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:06:56,511 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:06:56,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:06:56,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:06:56,513 INFO  L87              Difference]: Start difference. First operand 2417 states and 4021 transitions. Second operand  has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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)
[2023-11-12 02:06:56,794 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:06:56,795 INFO  L93              Difference]: Finished difference Result 7081 states and 11784 transitions.
[2023-11-12 02:06:56,795 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-12 02:06:56,796 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 137
[2023-11-12 02:06:56,796 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:06:56,822 INFO  L225             Difference]: With dead ends: 7081
[2023-11-12 02:06:56,823 INFO  L226             Difference]: Without dead ends: 4744
[2023-11-12 02:06:56,832 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:06:56,837 INFO  L413           NwaCegarLoop]: 4196 mSDtfsCounter, 3871 mSDsluCounter, 8198 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3871 SdHoareTripleChecker+Valid, 12394 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:06:56,839 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3871 Valid, 12394 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-12 02:06:56,848 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4744 states.
[2023-11-12 02:06:56,910 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4744 to 2419.
[2023-11-12 02:06:56,917 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2419 states, 2418 states have (on average 1.663771712158809) internal successors, (4023), 2418 states have internal predecessors, (4023), 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)
[2023-11-12 02:06:56,929 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 4023 transitions.
[2023-11-12 02:06:56,929 INFO  L78                 Accepts]: Start accepts. Automaton has 2419 states and 4023 transitions. Word has length 137
[2023-11-12 02:06:56,930 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:06:56,931 INFO  L495      AbstractCegarLoop]: Abstraction has 2419 states and 4023 transitions.
[2023-11-12 02:06:56,932 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 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)
[2023-11-12 02:06:56,934 INFO  L276                IsEmpty]: Start isEmpty. Operand 2419 states and 4023 transitions.
[2023-11-12 02:06:56,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 139
[2023-11-12 02:06:56,937 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:06:56,937 INFO  L195           NwaCegarLoop]: 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]
[2023-11-12 02:06:56,938 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-12 02:06:56,939 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:06:56,941 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:06:56,941 INFO  L85        PathProgramCache]: Analyzing trace with hash -714254928, now seen corresponding path program 1 times
[2023-11-12 02:06:56,942 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:06:56,947 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414696792]
[2023-11-12 02:06:56,947 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:06:56,948 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:06:57,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:06:58,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:06:58,032 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:06:58,032 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414696792]
[2023-11-12 02:06:58,033 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414696792] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:06:58,033 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:06:58,033 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-11-12 02:06:58,033 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545674675]
[2023-11-12 02:06:58,034 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:06:58,034 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-12 02:06:58,034 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:06:58,035 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-12 02:06:58,035 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-11-12 02:06:58,036 INFO  L87              Difference]: Start difference. First operand 2419 states and 4023 transitions. Second operand  has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:06:58,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:06:58,779 INFO  L93              Difference]: Finished difference Result 7198 states and 11975 transitions.
[2023-11-12 02:06:58,782 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-12 02:06:58,782 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138
[2023-11-12 02:06:58,783 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:06:58,809 INFO  L225             Difference]: With dead ends: 7198
[2023-11-12 02:06:58,809 INFO  L226             Difference]: Without dead ends: 4859
[2023-11-12 02:06:58,813 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110
[2023-11-12 02:06:58,821 INFO  L413           NwaCegarLoop]: 4191 mSDtfsCounter, 19571 mSDsluCounter, 16212 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19571 SdHoareTripleChecker+Valid, 20403 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-12 02:06:58,823 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [19571 Valid, 20403 Invalid, 46 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-12 02:06:58,834 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4859 states.
[2023-11-12 02:06:58,908 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4859 to 2530.
[2023-11-12 02:06:58,915 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2530 states, 2529 states have (on average 1.663898774219059) internal successors, (4208), 2529 states have internal predecessors, (4208), 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)
[2023-11-12 02:06:58,927 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 4208 transitions.
[2023-11-12 02:06:58,927 INFO  L78                 Accepts]: Start accepts. Automaton has 2530 states and 4208 transitions. Word has length 138
[2023-11-12 02:06:58,928 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:06:58,928 INFO  L495      AbstractCegarLoop]: Abstraction has 2530 states and 4208 transitions.
[2023-11-12 02:06:58,928 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:06:58,929 INFO  L276                IsEmpty]: Start isEmpty. Operand 2530 states and 4208 transitions.
[2023-11-12 02:06:59,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 1694
[2023-11-12 02:06:59,049 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:06:59,050 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:06:59,051 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-12 02:06:59,051 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:06:59,052 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:06:59,053 INFO  L85        PathProgramCache]: Analyzing trace with hash 1907279106, now seen corresponding path program 1 times
[2023-11-12 02:06:59,053 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:06:59,053 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450121583]
[2023-11-12 02:06:59,054 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:06:59,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:07:07,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:07:14,450 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:07:14,450 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:07:14,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450121583]
[2023-11-12 02:07:14,451 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450121583] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:07:14,451 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [681296733]
[2023-11-12 02:07:14,452 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:07:14,452 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:07:14,452 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:07:14,462 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:07:14,478 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf97da1e-1e7f-4a4b-aa83-432e51ab9e1b/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-12 02:07:17,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:07:17,401 INFO  L262         TraceCheckSpWp]: Trace formula consists of 7391 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-11-12 02:07:17,488 INFO  L285         TraceCheckSpWp]: Computing forward predicates...