./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c --full-output --architecture 32bit


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


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_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/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_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/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 32bit --witnessprinter.graph.data.programhash 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-cf1a783
[2023-11-12 02:18:29,730 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-12 02:18:29,863 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-12 02:18:29,879 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-12 02:18:29,880 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-12 02:18:29,924 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-12 02:18:29,925 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-12 02:18:29,926 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-12 02:18:29,927 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-12 02:18:29,933 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-12 02:18:29,934 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-12 02:18:29,934 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-12 02:18:29,935 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-12 02:18:29,937 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-12 02:18:29,937 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-12 02:18:29,938 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-12 02:18:29,938 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-12 02:18:29,939 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-12 02:18:29,939 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-12 02:18:29,940 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-12 02:18:29,940 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-12 02:18:29,941 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-12 02:18:29,941 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-12 02:18:29,942 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-12 02:18:29,942 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-12 02:18:29,943 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-12 02:18:29,944 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-12 02:18:29,944 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-12 02:18:29,945 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:18:29,945 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-12 02:18:29,947 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-12 02:18:29,947 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-12 02:18:29,947 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-12 02:18:29,948 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-12 02:18:29,948 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-12 02:18:29,948 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-12 02:18:29,949 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-12 02:18:29,949 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-12 02:18:29,949 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-12 02:18:29,949 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_744e205c-5e39-4077-813a-43206fe790c8/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_744e205c-5e39-4077-813a-43206fe790c8/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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e
[2023-11-12 02:18:30,307 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-12 02:18:30,341 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-12 02:18:30,344 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-12 02:18:30,346 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-12 02:18:30,346 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-12 02:18:30,347 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c
[2023-11-12 02:18:33,601 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-12 02:18:33,932 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-12 02:18:33,945 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/sv-benchmarks/c/eca-rers2012/Problem10_label45.c
[2023-11-12 02:18:33,962 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/data/e6f10dbf0/60f232db32154110b57990431b1805ca/FLAGdbfc2e368
[2023-11-12 02:18:33,980 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/data/e6f10dbf0/60f232db32154110b57990431b1805ca
[2023-11-12 02:18:33,986 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-12 02:18:33,988 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-12 02:18:33,991 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-12 02:18:33,992 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-12 02:18:33,997 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-12 02:18:33,998 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:33" (1/1) ...
[2023-11-12 02:18:33,999 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@372d1838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:33, skipping insertion in model container
[2023-11-12 02:18:33,999 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:18:33" (1/1) ...
[2023-11-12 02:18:34,065 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-12 02:18:34,321 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_744e205c-5e39-4077-813a-43206fe790c8/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450]
[2023-11-12 02:18:34,500 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:18:34,512 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-12 02:18:34,556 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_744e205c-5e39-4077-813a-43206fe790c8/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450]
[2023-11-12 02:18:34,679 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-12 02:18:34,696 INFO  L206         MainTranslator]: Completed translation
[2023-11-12 02:18:34,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34 WrapperNode
[2023-11-12 02:18:34,697 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-12 02:18:34,698 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-12 02:18:34,699 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-12 02:18:34,699 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-12 02:18:34,707 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,727 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,814 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598
[2023-11-12 02:18:34,814 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-12 02:18:34,815 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-12 02:18:34,815 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-12 02:18:34,815 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-12 02:18:34,825 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,825 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,831 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,831 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,864 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,872 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,882 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,888 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,898 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-12 02:18:34,899 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-12 02:18:34,899 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-12 02:18:34,899 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-12 02:18:34,902 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (1/1) ...
[2023-11-12 02:18:34,924 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-12 02:18:34,938 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:18:34,950 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-12 02:18:34,989 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-12 02:18:34,999 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-12 02:18:35,000 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-12 02:18:35,000 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-12 02:18:35,000 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-12 02:18:35,091 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-12 02:18:35,093 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-12 02:18:36,284 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-12 02:18:36,292 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-12 02:18:36,293 INFO  L302             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-12 02:18:36,295 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:36 BoogieIcfgContainer
[2023-11-12 02:18:36,295 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-12 02:18:36,298 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-12 02:18:36,298 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-12 02:18:36,301 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-12 02:18:36,301 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:18:33" (1/3) ...
[2023-11-12 02:18:36,302 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0e6e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:36, skipping insertion in model container
[2023-11-12 02:18:36,303 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:18:34" (2/3) ...
[2023-11-12 02:18:36,303 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0e6e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:18:36, skipping insertion in model container
[2023-11-12 02:18:36,303 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:36" (3/3) ...
[2023-11-12 02:18:36,304 INFO  L112   eAbstractionObserver]: Analyzing ICFG Problem10_label45.c
[2023-11-12 02:18:36,324 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-12 02:18:36,324 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-12 02:18:36,381 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-12 02:18:36,388 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;@740aa9a7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-12 02:18:36,388 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-12 02:18:36,393 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 02:18:36,401 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2023-11-12 02:18:36,401 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:36,402 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]
[2023-11-12 02:18:36,403 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:36,408 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:36,408 INFO  L85        PathProgramCache]: Analyzing trace with hash 323974986, now seen corresponding path program 1 times
[2023-11-12 02:18:36,418 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:36,419 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579584603]
[2023-11-12 02:18:36,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:36,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:36,538 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:36,822 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 02:18:36,823 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:36,823 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579584603]
[2023-11-12 02:18:36,824 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579584603] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:36,824 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:36,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:18:36,826 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999390746]
[2023-11-12 02:18:36,827 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:36,834 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:36,835 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:36,877 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:36,878 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:36,884 INFO  L87              Difference]: Start difference. First operand  has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 02:18:37,993 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:37,994 INFO  L93              Difference]: Finished difference Result 552 states and 966 transitions.
[2023-11-12 02:18:37,995 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:37,996 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 38
[2023-11-12 02:18:37,997 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:38,010 INFO  L225             Difference]: With dead ends: 552
[2023-11-12 02:18:38,010 INFO  L226             Difference]: Without dead ends: 282
[2023-11-12 02:18:38,015 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:38,020 INFO  L413           NwaCegarLoop]: 69 mSDtfsCounter, 150 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:38,021 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 76 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-12 02:18:38,041 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2023-11-12 02:18:38,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282.
[2023-11-12 02:18:38,085 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 282 states, 281 states have (on average 1.5373665480427046) internal successors, (432), 281 states have internal predecessors, (432), 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 02:18:38,087 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions.
[2023-11-12 02:18:38,088 INFO  L78                 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 38
[2023-11-12 02:18:38,088 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:38,088 INFO  L495      AbstractCegarLoop]: Abstraction has 282 states and 432 transitions.
[2023-11-12 02:18:38,089 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 02:18:38,089 INFO  L276                IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions.
[2023-11-12 02:18:38,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2023-11-12 02:18:38,094 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:38,094 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:38,094 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-12 02:18:38,095 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:38,095 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:38,095 INFO  L85        PathProgramCache]: Analyzing trace with hash 1778439955, now seen corresponding path program 1 times
[2023-11-12 02:18:38,096 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:38,096 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059791659]
[2023-11-12 02:18:38,096 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:38,096 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:38,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:38,613 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:38,614 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:38,615 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059791659]
[2023-11-12 02:18:38,615 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059791659] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:38,615 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:38,615 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:18:38,616 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830890122]
[2023-11-12 02:18:38,616 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:38,618 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:38,618 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:38,619 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:38,619 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:38,620 INFO  L87              Difference]: Start difference. First operand 282 states and 432 transitions. Second operand  has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 02:18:39,251 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:39,251 INFO  L93              Difference]: Finished difference Result 701 states and 1076 transitions.
[2023-11-12 02:18:39,252 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:39,252 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 107
[2023-11-12 02:18:39,253 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:39,256 INFO  L225             Difference]: With dead ends: 701
[2023-11-12 02:18:39,256 INFO  L226             Difference]: Without dead ends: 421
[2023-11-12 02:18:39,259 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:39,261 INFO  L413           NwaCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:39,261 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 52 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-12 02:18:39,263 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2023-11-12 02:18:39,307 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2023-11-12 02:18:39,308 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 421 states, 420 states have (on average 1.4428571428571428) internal successors, (606), 420 states have internal predecessors, (606), 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 02:18:39,310 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions.
[2023-11-12 02:18:39,310 INFO  L78                 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 107
[2023-11-12 02:18:39,311 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:39,311 INFO  L495      AbstractCegarLoop]: Abstraction has 421 states and 606 transitions.
[2023-11-12 02:18:39,311 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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 02:18:39,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions.
[2023-11-12 02:18:39,320 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 114
[2023-11-12 02:18:39,320 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:39,320 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:39,321 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-12 02:18:39,321 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:39,322 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:39,322 INFO  L85        PathProgramCache]: Analyzing trace with hash -651687484, now seen corresponding path program 1 times
[2023-11-12 02:18:39,323 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:39,323 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283644481]
[2023-11-12 02:18:39,324 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:39,324 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:39,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:39,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:39,825 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:39,826 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283644481]
[2023-11-12 02:18:39,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283644481] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:39,828 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:39,828 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:18:39,828 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658536110]
[2023-11-12 02:18:39,828 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:39,830 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:18:39,830 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:39,831 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:18:39,831 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:18:39,832 INFO  L87              Difference]: Start difference. First operand 421 states and 606 transitions. Second operand  has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 02:18:40,707 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:40,708 INFO  L93              Difference]: Finished difference Result 998 states and 1484 transitions.
[2023-11-12 02:18:40,708 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-12 02:18:40,709 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 113
[2023-11-12 02:18:40,709 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:40,714 INFO  L225             Difference]: With dead ends: 998
[2023-11-12 02:18:40,714 INFO  L226             Difference]: Without dead ends: 699
[2023-11-12 02:18:40,715 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:18:40,717 INFO  L413           NwaCegarLoop]: 50 mSDtfsCounter, 69 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 672 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:40,718 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 59 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 672 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2023-11-12 02:18:40,720 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 699 states.
[2023-11-12 02:18:40,739 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699.
[2023-11-12 02:18:40,741 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 699 states, 698 states have (on average 1.478510028653295) internal successors, (1032), 698 states have internal predecessors, (1032), 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 02:18:40,744 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1032 transitions.
[2023-11-12 02:18:40,744 INFO  L78                 Accepts]: Start accepts. Automaton has 699 states and 1032 transitions. Word has length 113
[2023-11-12 02:18:40,745 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:40,745 INFO  L495      AbstractCegarLoop]: Abstraction has 699 states and 1032 transitions.
[2023-11-12 02:18:40,746 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 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 02:18:40,746 INFO  L276                IsEmpty]: Start isEmpty. Operand 699 states and 1032 transitions.
[2023-11-12 02:18:40,747 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-11-12 02:18:40,748 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:40,748 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:40,748 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-12 02:18:40,749 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:40,749 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:40,749 INFO  L85        PathProgramCache]: Analyzing trace with hash 715593968, now seen corresponding path program 1 times
[2023-11-12 02:18:40,750 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:40,750 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022669001]
[2023-11-12 02:18:40,750 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:40,750 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:40,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:40,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:40,940 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:40,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022669001]
[2023-11-12 02:18:40,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022669001] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:40,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:40,941 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:18:40,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891475403]
[2023-11-12 02:18:40,941 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:40,942 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:40,942 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:40,943 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:40,943 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:40,943 INFO  L87              Difference]: Start difference. First operand 699 states and 1032 transitions. Second operand  has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 02:18:41,637 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:41,638 INFO  L93              Difference]: Finished difference Result 1952 states and 2918 transitions.
[2023-11-12 02:18:41,638 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:41,639 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 132
[2023-11-12 02:18:41,640 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:41,649 INFO  L225             Difference]: With dead ends: 1952
[2023-11-12 02:18:41,650 INFO  L226             Difference]: Without dead ends: 1255
[2023-11-12 02:18:41,651 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:41,654 INFO  L413           NwaCegarLoop]: 74 mSDtfsCounter, 51 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:41,655 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 78 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-12 02:18:41,658 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2023-11-12 02:18:41,699 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 977.
[2023-11-12 02:18:41,701 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 977 states, 976 states have (on average 1.3565573770491803) internal successors, (1324), 976 states have internal predecessors, (1324), 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 02:18:41,705 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1324 transitions.
[2023-11-12 02:18:41,705 INFO  L78                 Accepts]: Start accepts. Automaton has 977 states and 1324 transitions. Word has length 132
[2023-11-12 02:18:41,707 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:41,707 INFO  L495      AbstractCegarLoop]: Abstraction has 977 states and 1324 transitions.
[2023-11-12 02:18:41,708 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 44.0) internal successors, (132), 2 states have internal predecessors, (132), 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 02:18:41,708 INFO  L276                IsEmpty]: Start isEmpty. Operand 977 states and 1324 transitions.
[2023-11-12 02:18:41,710 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 157
[2023-11-12 02:18:41,711 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:41,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:18:41,711 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-12 02:18:41,712 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:41,713 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:41,714 INFO  L85        PathProgramCache]: Analyzing trace with hash -555992780, now seen corresponding path program 1 times
[2023-11-12 02:18:41,714 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:41,714 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141434368]
[2023-11-12 02:18:41,714 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:41,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:41,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:42,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:42,224 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:42,225 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141434368]
[2023-11-12 02:18:42,225 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141434368] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:42,225 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:42,225 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:18:42,227 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170720851]
[2023-11-12 02:18:42,227 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:42,228 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-12 02:18:42,228 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:42,229 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-12 02:18:42,229 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-12 02:18:42,230 INFO  L87              Difference]: Start difference. First operand 977 states and 1324 transitions. Second operand  has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 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 02:18:43,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:43,041 INFO  L93              Difference]: Finished difference Result 1819 states and 2504 transitions.
[2023-11-12 02:18:43,041 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-12 02:18:43,042 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 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 156
[2023-11-12 02:18:43,042 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:43,049 INFO  L225             Difference]: With dead ends: 1819
[2023-11-12 02:18:43,049 INFO  L226             Difference]: Without dead ends: 983
[2023-11-12 02:18:43,050 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-12 02:18:43,054 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 91 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:43,055 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 88 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-11-12 02:18:43,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 983 states.
[2023-11-12 02:18:43,082 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 977.
[2023-11-12 02:18:43,084 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 977 states, 976 states have (on average 1.3514344262295082) internal successors, (1319), 976 states have internal predecessors, (1319), 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 02:18:43,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1319 transitions.
[2023-11-12 02:18:43,089 INFO  L78                 Accepts]: Start accepts. Automaton has 977 states and 1319 transitions. Word has length 156
[2023-11-12 02:18:43,089 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:43,089 INFO  L495      AbstractCegarLoop]: Abstraction has 977 states and 1319 transitions.
[2023-11-12 02:18:43,089 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 39.0) internal successors, (156), 3 states have internal predecessors, (156), 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 02:18:43,090 INFO  L276                IsEmpty]: Start isEmpty. Operand 977 states and 1319 transitions.
[2023-11-12 02:18:43,092 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 174
[2023-11-12 02:18:43,092 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:43,093 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2023-11-12 02:18:43,093 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-12 02:18:43,093 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:43,094 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:43,094 INFO  L85        PathProgramCache]: Analyzing trace with hash 1954640871, now seen corresponding path program 1 times
[2023-11-12 02:18:43,094 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:43,094 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473703876]
[2023-11-12 02:18:43,094 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:43,095 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:43,144 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:43,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2023-11-12 02:18:43,292 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:43,292 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473703876]
[2023-11-12 02:18:43,292 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473703876] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:43,292 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:43,293 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-12 02:18:43,293 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501430160]
[2023-11-12 02:18:43,293 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:43,294 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:43,294 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:43,294 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:43,295 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:43,295 INFO  L87              Difference]: Start difference. First operand 977 states and 1319 transitions. Second operand  has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 02:18:44,049 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:44,050 INFO  L93              Difference]: Finished difference Result 2230 states and 3079 transitions.
[2023-11-12 02:18:44,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:44,053 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 173
[2023-11-12 02:18:44,053 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:44,062 INFO  L225             Difference]: With dead ends: 2230
[2023-11-12 02:18:44,062 INFO  L226             Difference]: Without dead ends: 1394
[2023-11-12 02:18:44,064 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:44,067 INFO  L413           NwaCegarLoop]: 31 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:44,070 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 34 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2023-11-12 02:18:44,075 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1394 states.
[2023-11-12 02:18:44,109 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1394.
[2023-11-12 02:18:44,145 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1394 states, 1393 states have (on average 1.2814070351758795) internal successors, (1785), 1393 states have internal predecessors, (1785), 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 02:18:44,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1785 transitions.
[2023-11-12 02:18:44,156 INFO  L78                 Accepts]: Start accepts. Automaton has 1394 states and 1785 transitions. Word has length 173
[2023-11-12 02:18:44,157 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:44,157 INFO  L495      AbstractCegarLoop]: Abstraction has 1394 states and 1785 transitions.
[2023-11-12 02:18:44,157 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 02:18:44,158 INFO  L276                IsEmpty]: Start isEmpty. Operand 1394 states and 1785 transitions.
[2023-11-12 02:18:44,162 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2023-11-12 02:18:44,168 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:44,169 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2023-11-12 02:18:44,170 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-12 02:18:44,170 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:44,171 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:44,171 INFO  L85        PathProgramCache]: Analyzing trace with hash 510441368, now seen corresponding path program 1 times
[2023-11-12 02:18:44,171 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:44,172 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932231592]
[2023-11-12 02:18:44,172 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:44,172 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:44,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:44,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 136 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:44,453 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:44,453 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932231592]
[2023-11-12 02:18:44,454 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932231592] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:44,454 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:44,454 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:18:44,454 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913672216]
[2023-11-12 02:18:44,454 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:44,455 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:44,455 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:44,456 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:44,456 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:44,456 INFO  L87              Difference]: Start difference. First operand 1394 states and 1785 transitions. Second operand  has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 02:18:45,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:45,060 INFO  L93              Difference]: Finished difference Result 3203 states and 4181 transitions.
[2023-11-12 02:18:45,060 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:45,061 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 179
[2023-11-12 02:18:45,061 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:45,072 INFO  L225             Difference]: With dead ends: 3203
[2023-11-12 02:18:45,072 INFO  L226             Difference]: Without dead ends: 1950
[2023-11-12 02:18:45,074 INFO  L412           NwaCegarLoop]: 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
[2023-11-12 02:18:45,075 INFO  L413           NwaCegarLoop]: 210 mSDtfsCounter, 69 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:45,075 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 215 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-12 02:18:45,079 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1950 states.
[2023-11-12 02:18:45,115 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1672.
[2023-11-12 02:18:45,118 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1672 states, 1671 states have (on average 1.24655894673848) internal successors, (2083), 1671 states have internal predecessors, (2083), 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 02:18:45,125 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2083 transitions.
[2023-11-12 02:18:45,125 INFO  L78                 Accepts]: Start accepts. Automaton has 1672 states and 2083 transitions. Word has length 179
[2023-11-12 02:18:45,126 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:45,126 INFO  L495      AbstractCegarLoop]: Abstraction has 1672 states and 2083 transitions.
[2023-11-12 02:18:45,126 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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 02:18:45,127 INFO  L276                IsEmpty]: Start isEmpty. Operand 1672 states and 2083 transitions.
[2023-11-12 02:18:45,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 228
[2023-11-12 02:18:45,131 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:45,131 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2023-11-12 02:18:45,131 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-12 02:18:45,132 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:45,132 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:45,132 INFO  L85        PathProgramCache]: Analyzing trace with hash 1308011704, now seen corresponding path program 1 times
[2023-11-12 02:18:45,132 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:45,133 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512913177]
[2023-11-12 02:18:45,133 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:45,133 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:45,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:45,393 INFO  L134       CoverageAnalysis]: Checked inductivity of 148 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:45,394 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:45,394 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512913177]
[2023-11-12 02:18:45,394 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512913177] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:45,394 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:18:45,394 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:18:45,395 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018029420]
[2023-11-12 02:18:45,395 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:45,395 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:45,396 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:45,396 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:45,397 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:18:45,397 INFO  L87              Difference]: Start difference. First operand 1672 states and 2083 transitions. Second operand  has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 02:18:46,061 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:46,061 INFO  L93              Difference]: Finished difference Result 3759 states and 4777 transitions.
[2023-11-12 02:18:46,062 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:46,062 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 227
[2023-11-12 02:18:46,063 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:46,074 INFO  L225             Difference]: With dead ends: 3759
[2023-11-12 02:18:46,074 INFO  L226             Difference]: Without dead ends: 2228
[2023-11-12 02:18:46,079 INFO  L412           NwaCegarLoop]: 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
[2023-11-12 02:18:46,080 INFO  L413           NwaCegarLoop]: 185 mSDtfsCounter, 77 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:46,081 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 189 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-12 02:18:46,085 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2228 states.
[2023-11-12 02:18:46,122 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2228 to 1811.
[2023-11-12 02:18:46,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1811 states, 1810 states have (on average 1.181767955801105) internal successors, (2139), 1810 states have internal predecessors, (2139), 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 02:18:46,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2139 transitions.
[2023-11-12 02:18:46,133 INFO  L78                 Accepts]: Start accepts. Automaton has 1811 states and 2139 transitions. Word has length 227
[2023-11-12 02:18:46,133 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:46,133 INFO  L495      AbstractCegarLoop]: Abstraction has 1811 states and 2139 transitions.
[2023-11-12 02:18:46,134 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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 02:18:46,134 INFO  L276                IsEmpty]: Start isEmpty. Operand 1811 states and 2139 transitions.
[2023-11-12 02:18:46,138 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2023-11-12 02:18:46,139 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:46,139 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:18:46,139 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-12 02:18:46,140 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:46,140 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:46,140 INFO  L85        PathProgramCache]: Analyzing trace with hash 1226512020, now seen corresponding path program 1 times
[2023-11-12 02:18:46,140 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:46,141 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135044425]
[2023-11-12 02:18:46,141 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:46,141 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:46,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:47,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 228 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:47,136 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:47,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135044425]
[2023-11-12 02:18:47,137 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135044425] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:18:47,137 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742232028]
[2023-11-12 02:18:47,137 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:47,138 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:18:47,138 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:18:47,141 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:18:47,180 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-12 02:18:47,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:47,357 INFO  L262         TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-12 02:18:47,371 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:18:49,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 125 proven. 122 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2023-11-12 02:18:49,363 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-12 02:18:51,158 INFO  L134       CoverageAnalysis]: Checked inductivity of 312 backedges. 125 proven. 122 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2023-11-12 02:18:51,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [742232028] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-12 02:18:51,159 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-12 02:18:51,160 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2023-11-12 02:18:51,163 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876017980]
[2023-11-12 02:18:51,163 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-12 02:18:51,165 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-12 02:18:51,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:51,166 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-12 02:18:51,167 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132
[2023-11-12 02:18:51,168 INFO  L87              Difference]: Start difference. First operand 1811 states and 2139 transitions. Second operand  has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 11 states have internal predecessors, (506), 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 02:18:56,454 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:56,454 INFO  L93              Difference]: Finished difference Result 7853 states and 9218 transitions.
[2023-11-12 02:18:56,455 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. 
[2023-11-12 02:18:56,455 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 11 states have internal predecessors, (506), 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 261
[2023-11-12 02:18:56,456 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:56,488 INFO  L225             Difference]: With dead ends: 7853
[2023-11-12 02:18:56,488 INFO  L226             Difference]: Without dead ends: 6183
[2023-11-12 02:18:56,492 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=221, Invalid=429, Unknown=0, NotChecked=0, Total=650
[2023-11-12 02:18:56,492 INFO  L413           NwaCegarLoop]: 12 mSDtfsCounter, 2395 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 3453 mSolverCounterSat, 757 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2395 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 4210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 757 IncrementalHoareTripleChecker+Valid, 3453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:56,493 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2395 Valid, 71 Invalid, 4210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [757 Valid, 3453 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time]
[2023-11-12 02:18:56,500 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6183 states.
[2023-11-12 02:18:56,576 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6183 to 2506.
[2023-11-12 02:18:56,583 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2506 states, 2505 states have (on average 1.1572854291417165) internal successors, (2899), 2505 states have internal predecessors, (2899), 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 02:18:56,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 2899 transitions.
[2023-11-12 02:18:56,592 INFO  L78                 Accepts]: Start accepts. Automaton has 2506 states and 2899 transitions. Word has length 261
[2023-11-12 02:18:56,593 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:56,593 INFO  L495      AbstractCegarLoop]: Abstraction has 2506 states and 2899 transitions.
[2023-11-12 02:18:56,594 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 42.166666666666664) internal successors, (506), 11 states have internal predecessors, (506), 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 02:18:56,594 INFO  L276                IsEmpty]: Start isEmpty. Operand 2506 states and 2899 transitions.
[2023-11-12 02:18:56,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 287
[2023-11-12 02:18:56,600 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:56,600 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2023-11-12 02:18:56,613 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-12 02:18:56,806 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:18:56,806 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:56,807 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:56,807 INFO  L85        PathProgramCache]: Analyzing trace with hash -1065311159, now seen corresponding path program 1 times
[2023-11-12 02:18:56,807 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:56,807 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230227114]
[2023-11-12 02:18:56,808 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:56,808 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:56,876 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:57,429 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 77 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:57,430 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:57,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230227114]
[2023-11-12 02:18:57,432 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230227114] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:18:57,433 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731520187]
[2023-11-12 02:18:57,433 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:57,433 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:18:57,433 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:18:57,435 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:18:57,457 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-12 02:18:57,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:57,598 INFO  L262         TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-12 02:18:57,622 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:18:57,687 INFO  L134       CoverageAnalysis]: Checked inductivity of 181 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2023-11-12 02:18:57,688 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-12 02:18:57,688 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731520187] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:57,688 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-12 02:18:57,688 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2023-11-12 02:18:57,689 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194777238]
[2023-11-12 02:18:57,689 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:57,690 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:57,690 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:57,691 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:57,691 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:18:57,691 INFO  L87              Difference]: Start difference. First operand 2506 states and 2899 transitions. Second operand  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 02:18:58,335 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:18:58,335 INFO  L93              Difference]: Finished difference Result 5427 states and 6384 transitions.
[2023-11-12 02:18:58,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:18:58,336 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 286
[2023-11-12 02:18:58,337 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:18:58,352 INFO  L225             Difference]: With dead ends: 5427
[2023-11-12 02:18:58,353 INFO  L226             Difference]: Without dead ends: 3062
[2023-11-12 02:18:58,356 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:18:58,357 INFO  L413           NwaCegarLoop]: 221 mSDtfsCounter, 104 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-12 02:18:58,357 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 226 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-12 02:18:58,361 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3062 states.
[2023-11-12 02:18:58,413 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2645.
[2023-11-12 02:18:58,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2645 states, 2644 states have (on average 1.1395612708018155) internal successors, (3013), 2644 states have internal predecessors, (3013), 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 02:18:58,427 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3013 transitions.
[2023-11-12 02:18:58,427 INFO  L78                 Accepts]: Start accepts. Automaton has 2645 states and 3013 transitions. Word has length 286
[2023-11-12 02:18:58,428 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:18:58,428 INFO  L495      AbstractCegarLoop]: Abstraction has 2645 states and 3013 transitions.
[2023-11-12 02:18:58,429 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 02:18:58,429 INFO  L276                IsEmpty]: Start isEmpty. Operand 2645 states and 3013 transitions.
[2023-11-12 02:18:58,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 301
[2023-11-12 02:18:58,436 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:18:58,436 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2023-11-12 02:18:58,448 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-12 02:18:58,643 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:18:58,643 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:18:58,644 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:18:58,644 INFO  L85        PathProgramCache]: Analyzing trace with hash -1398974089, now seen corresponding path program 1 times
[2023-11-12 02:18:58,644 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:18:58,644 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920861396]
[2023-11-12 02:18:58,644 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:58,644 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:18:58,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:59,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 329 backedges. 180 proven. 149 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-12 02:18:59,426 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:18:59,426 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920861396]
[2023-11-12 02:18:59,427 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920861396] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-12 02:18:59,427 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607426198]
[2023-11-12 02:18:59,427 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:18:59,427 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-12 02:18:59,427 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3
[2023-11-12 02:18:59,428 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-12 02:18:59,453 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-12 02:18:59,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:18:59,583 INFO  L262         TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-11-12 02:18:59,588 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-12 02:18:59,714 INFO  L134       CoverageAnalysis]: Checked inductivity of 329 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2023-11-12 02:18:59,714 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-12 02:18:59,714 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607426198] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:18:59,714 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-12 02:18:59,715 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2023-11-12 02:18:59,715 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221208139]
[2023-11-12 02:18:59,715 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:18:59,716 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:18:59,716 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:18:59,717 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:18:59,717 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:18:59,717 INFO  L87              Difference]: Start difference. First operand 2645 states and 3013 transitions. Second operand  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 02:19:00,272 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:00,272 INFO  L93              Difference]: Finished difference Result 5149 states and 5881 transitions.
[2023-11-12 02:19:00,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:19:00,273 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 300
[2023-11-12 02:19:00,274 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:00,287 INFO  L225             Difference]: With dead ends: 5149
[2023-11-12 02:19:00,288 INFO  L226             Difference]: Without dead ends: 2645
[2023-11-12 02:19:00,291 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2023-11-12 02:19:00,292 INFO  L413           NwaCegarLoop]: 16 mSDtfsCounter, 87 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:00,292 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 19 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-12 02:19:00,296 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2645 states.
[2023-11-12 02:19:00,341 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2645.
[2023-11-12 02:19:00,346 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 2645 states, 2644 states have (on average 1.126323751891074) internal successors, (2978), 2644 states have internal predecessors, (2978), 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 02:19:00,397 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 2978 transitions.
[2023-11-12 02:19:00,398 INFO  L78                 Accepts]: Start accepts. Automaton has 2645 states and 2978 transitions. Word has length 300
[2023-11-12 02:19:00,399 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:00,399 INFO  L495      AbstractCegarLoop]: Abstraction has 2645 states and 2978 transitions.
[2023-11-12 02:19:00,399 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 76.33333333333333) internal successors, (229), 3 states have internal predecessors, (229), 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 02:19:00,399 INFO  L276                IsEmpty]: Start isEmpty. Operand 2645 states and 2978 transitions.
[2023-11-12 02:19:00,407 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 311
[2023-11-12 02:19:00,407 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-12 02:19:00,409 INFO  L195           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2023-11-12 02:19:00,414 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-12 02:19:00,614 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-12 02:19:00,615 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-12 02:19:00,615 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-12 02:19:00,616 INFO  L85        PathProgramCache]: Analyzing trace with hash -1472236450, now seen corresponding path program 1 times
[2023-11-12 02:19:00,616 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-12 02:19:00,616 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040531895]
[2023-11-12 02:19:00,616 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-12 02:19:00,616 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-12 02:19:00,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-12 02:19:00,919 INFO  L134       CoverageAnalysis]: Checked inductivity of 344 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked.
[2023-11-12 02:19:00,919 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-12 02:19:00,919 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040531895]
[2023-11-12 02:19:00,919 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040531895] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-12 02:19:00,920 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-12 02:19:00,920 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-12 02:19:00,920 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833443768]
[2023-11-12 02:19:00,920 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-12 02:19:00,921 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-12 02:19:00,921 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-12 02:19:00,922 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-12 02:19:00,922 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-12 02:19:00,922 INFO  L87              Difference]: Start difference. First operand 2645 states and 2978 transitions. Second operand  has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 02:19:01,502 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-12 02:19:01,502 INFO  L93              Difference]: Finished difference Result 5703 states and 6411 transitions.
[2023-11-12 02:19:01,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-12 02:19:01,503 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 310
[2023-11-12 02:19:01,504 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-12 02:19:01,504 INFO  L225             Difference]: With dead ends: 5703
[2023-11-12 02:19:01,504 INFO  L226             Difference]: Without dead ends: 0
[2023-11-12 02:19:01,508 INFO  L412           NwaCegarLoop]: 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
[2023-11-12 02:19:01,509 INFO  L413           NwaCegarLoop]: 219 mSDtfsCounter, 104 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-12 02:19:01,509 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 223 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-12 02:19:01,510 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-12 02:19:01,510 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-12 02:19:01,510 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-12 02:19:01,510 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-12 02:19:01,510 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 310
[2023-11-12 02:19:01,511 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-12 02:19:01,511 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-12 02:19:01,511 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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 02:19:01,511 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-12 02:19:01,511 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-12 02:19:01,514 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-12 02:19:01,515 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2023-11-12 02:19:01,517 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-12 02:19:02,220 INFO  L899   garLoopResultBuilder]: For program point L597(line 597) no Hoare annotation was computed.
[2023-11-12 02:19:02,220 INFO  L899   garLoopResultBuilder]: For program point L564(lines 564 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,220 INFO  L899   garLoopResultBuilder]: For program point L333(lines 333 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,220 INFO  L899   garLoopResultBuilder]: For program point L367(lines 367 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,220 INFO  L899   garLoopResultBuilder]: For program point L301(lines 301 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L235(lines 235 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L202-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L169-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L136-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L103-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L70-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,221 INFO  L899   garLoopResultBuilder]: For program point L37-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L533(lines 533 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed.
[2023-11-12 02:19:02,222 INFO  L899   garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed.
[2023-11-12 02:19:02,223 INFO  L899   garLoopResultBuilder]: For program point L567(lines 567 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,223 INFO  L899   garLoopResultBuilder]: For program point L435(lines 435 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,224 INFO  L899   garLoopResultBuilder]: For program point L336(lines 336 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,224 INFO  L899   garLoopResultBuilder]: For program point L270(lines 270 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,224 INFO  L899   garLoopResultBuilder]: For program point L403(lines 403 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,224 INFO  L899   garLoopResultBuilder]: For program point L370(lines 370 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,224 INFO  L899   garLoopResultBuilder]: For program point L205-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,224 INFO  L899   garLoopResultBuilder]: For program point L172-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,225 INFO  L899   garLoopResultBuilder]: For program point L139-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,225 INFO  L899   garLoopResultBuilder]: For program point L106-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,227 INFO  L899   garLoopResultBuilder]: For program point L73-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,227 INFO  L899   garLoopResultBuilder]: For program point L40-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,228 INFO  L899   garLoopResultBuilder]: For program point L536(lines 536 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,228 INFO  L899   garLoopResultBuilder]: For program point L503(lines 503 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,228 INFO  L899   garLoopResultBuilder]: For program point L470(lines 470 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,228 INFO  L899   garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed.
[2023-11-12 02:19:02,228 INFO  L899   garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2023-11-12 02:19:02,228 INFO  L899   garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L339(lines 339 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L306(lines 306 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L241(lines 241 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L208-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,229 INFO  L899   garLoopResultBuilder]: For program point L175-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,230 INFO  L899   garLoopResultBuilder]: For program point L142-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,230 INFO  L899   garLoopResultBuilder]: For program point L109-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,230 INFO  L899   garLoopResultBuilder]: For program point L76-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,230 INFO  L899   garLoopResultBuilder]: For program point L43-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,233 INFO  L899   garLoopResultBuilder]: For program point L539(lines 539 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,233 INFO  L899   garLoopResultBuilder]: For program point L440(lines 440 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,234 INFO  L899   garLoopResultBuilder]: For program point L275(lines 275 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,234 INFO  L899   garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed.
[2023-11-12 02:19:02,234 INFO  L899   garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2023-11-12 02:19:02,234 INFO  L899   garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed.
[2023-11-12 02:19:02,234 INFO  L899   garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed.
[2023-11-12 02:19:02,234 INFO  L899   garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L573(lines 573 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L408(lines 408 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L375(lines 375 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L475(lines 475 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L211-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,235 INFO  L899   garLoopResultBuilder]: For program point L178-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L145-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L112-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L79-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L46-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L509(lines 509 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L311(lines 311 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,236 INFO  L899   garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L345(lines 345 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,237 INFO  L899   garLoopResultBuilder]: For program point L246(lines 246 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,238 INFO  L899   garLoopResultBuilder]: For program point L544(lines 544 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,242 INFO  L899   garLoopResultBuilder]: For program point L181-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,242 INFO  L899   garLoopResultBuilder]: For program point L148-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,242 INFO  L899   garLoopResultBuilder]: For program point L115-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,243 INFO  L899   garLoopResultBuilder]: For program point L82-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,243 INFO  L899   garLoopResultBuilder]: For program point L49-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,243 INFO  L899   garLoopResultBuilder]: For program point L446(lines 446 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,244 INFO  L899   garLoopResultBuilder]: For program point L413(lines 413 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,245 INFO  L899   garLoopResultBuilder]: For program point L380(lines 380 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,245 INFO  L899   garLoopResultBuilder]: For program point L281(lines 281 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,245 INFO  L899   garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed.
[2023-11-12 02:19:02,245 INFO  L899   garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed.
[2023-11-12 02:19:02,245 INFO  L899   garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed.
[2023-11-12 02:19:02,245 INFO  L899   garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L579(lines 579 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L249(lines 249 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L514(lines 514 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L481(lines 481 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L316(lines 316 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,246 INFO  L899   garLoopResultBuilder]: For program point L184-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L151-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L118-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L85-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L52-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L350(lines 350 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2023-11-12 02:19:02,247 INFO  L899   garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L550(lines 550 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L418(lines 418 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L385(lines 385 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,248 INFO  L899   garLoopResultBuilder]: For program point L220(lines 220 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,249 INFO  L899   garLoopResultBuilder]: For program point L187-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,249 INFO  L899   garLoopResultBuilder]: For program point L154-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,249 INFO  L899   garLoopResultBuilder]: For program point L121-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,249 INFO  L899   garLoopResultBuilder]: For program point L88-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,249 INFO  L899   garLoopResultBuilder]: For program point L55-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,249 INFO  L899   garLoopResultBuilder]: For program point L452(lines 452 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L287(lines 287 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L254(lines 254 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed.
[2023-11-12 02:19:02,250 INFO  L899   garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed.
[2023-11-12 02:19:02,251 INFO  L899   garLoopResultBuilder]: For program point L519(lines 519 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,252 INFO  L899   garLoopResultBuilder]: For program point L486(lines 486 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,252 INFO  L899   garLoopResultBuilder]: For program point L586(lines 586 602) no Hoare annotation was computed.
[2023-11-12 02:19:02,254 INFO  L899   garLoopResultBuilder]: For program point L388(lines 388 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,255 INFO  L899   garLoopResultBuilder]: For program point L355(lines 355 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,255 INFO  L899   garLoopResultBuilder]: For program point L322(lines 322 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,255 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:02,255 INFO  L899   garLoopResultBuilder]: For program point L190-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,256 INFO  L899   garLoopResultBuilder]: For program point L157-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,256 INFO  L899   garLoopResultBuilder]: For program point L124-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,256 INFO  L899   garLoopResultBuilder]: For program point L91-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,256 INFO  L899   garLoopResultBuilder]: For program point L58-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,257 INFO  L899   garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed.
[2023-11-12 02:19:02,257 INFO  L899   garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed.
[2023-11-12 02:19:02,257 INFO  L899   garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed.
[2023-11-12 02:19:02,257 INFO  L899   garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed.
[2023-11-12 02:19:02,257 INFO  L899   garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed.
[2023-11-12 02:19:02,257 INFO  L899   garLoopResultBuilder]: For program point L555(lines 555 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,258 INFO  L899   garLoopResultBuilder]: For program point L225(lines 225 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,258 INFO  L899   garLoopResultBuilder]: For program point L424(lines 424 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,258 INFO  L899   garLoopResultBuilder]: For program point L259(lines 259 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L193-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L160-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L127-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L94-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L61-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L524(lines 524 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L491(lines 491 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L458(lines 458 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,259 INFO  L899   garLoopResultBuilder]: For program point L293(lines 293 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L558(lines 558 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L393(lines 393 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,260 INFO  L899   garLoopResultBuilder]: For program point L327(lines 327 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,261 INFO  L895   garLoopResultBuilder]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse8 (+ 331283 (div ~a1~0 5)))) (let ((.cse5 (= ~a10~0 2)) (.cse3 (= ~a19~0 9)) (.cse7 (= ~a10~0 0)) (.cse1 (<= 0 .cse8)) (.cse2 (or (< 0 .cse8) (not (= (mod ~a1~0 5) 0)))) (.cse0 (<= ~a19~0 9)) (.cse4 (= 14 ~a4~0)) (.cse6 (= ~a12~0 0))) (or (and .cse0 .cse1 (<= 4 ~a10~0) .cse2) (and (= ~a10~0 1) .cse1 .cse2 (<= 9 ~a19~0)) (and .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse5) (and .cse7 .cse3 .cse4 .cse6) (and .cse3 .cse1 .cse2 .cse4 .cse6) (and .cse1 .cse2 (<= ~a19~0 7)) (and .cse7 .cse1 .cse2) (and .cse0 (<= 219 ~a1~0) .cse4 .cse6))))
[2023-11-12 02:19:02,261 INFO  L899   garLoopResultBuilder]: For program point L361(lines 361 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,261 INFO  L899   garLoopResultBuilder]: For program point L196-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,261 INFO  L899   garLoopResultBuilder]: For program point L163-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,261 INFO  L899   garLoopResultBuilder]: For program point L130-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,261 INFO  L899   garLoopResultBuilder]: For program point L97-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L31(lines 31 33) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L64-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L31-2(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L527(lines 527 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L296(lines 296 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L230(lines 230 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,262 INFO  L899   garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-12 02:19:02,263 INFO  L899   garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,264 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 128) no Hoare annotation was computed.
[2023-11-12 02:19:02,264 INFO  L899   garLoopResultBuilder]: For program point L429(lines 429 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,264 INFO  L899   garLoopResultBuilder]: For program point L330(lines 330 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,264 INFO  L899   garLoopResultBuilder]: For program point L264(lines 264 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,264 INFO  L899   garLoopResultBuilder]: For program point L364(lines 364 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,264 INFO  L899   garLoopResultBuilder]: For program point L199-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,265 INFO  L899   garLoopResultBuilder]: For program point L166-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,265 INFO  L899   garLoopResultBuilder]: For program point L133-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,265 INFO  L899   garLoopResultBuilder]: For program point L100-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,265 INFO  L899   garLoopResultBuilder]: For program point L67-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,265 INFO  L899   garLoopResultBuilder]: For program point L34-1(lines 30 584) no Hoare annotation was computed.
[2023-11-12 02:19:02,265 INFO  L899   garLoopResultBuilder]: For program point L497(lines 497 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L464(lines 464 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L398(lines 398 582) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed.
[2023-11-12 02:19:02,266 INFO  L899   garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed.
[2023-11-12 02:19:02,267 INFO  L899   garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed.
[2023-11-12 02:19:02,270 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-12 02:19:02,272 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-12 02:19:02,299 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:19:02 BoogieIcfgContainer
[2023-11-12 02:19:02,306 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-12 02:19:02,307 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-12 02:19:02,307 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-12 02:19:02,307 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-12 02:19:02,308 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:18:36" (3/4) ...
[2023-11-12 02:19:02,310 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-12 02:19:02,337 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-12 02:19:02,338 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-11-12 02:19:02,339 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-12 02:19:02,340 INFO  L944   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-12 02:19:02,547 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml
[2023-11-12 02:19:02,548 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/witness.yml
[2023-11-12 02:19:02,548 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-12 02:19:02,549 INFO  L158              Benchmark]: Toolchain (without parser) took 28560.57ms. Allocated memory was 161.5MB in the beginning and 413.1MB in the end (delta: 251.7MB). Free memory was 116.7MB in the beginning and 323.3MB in the end (delta: -206.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,549 INFO  L158              Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-12 02:19:02,549 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 706.28ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 88.8MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,550 INFO  L158              Benchmark]: Boogie Procedure Inliner took 115.94ms. Allocated memory is still 161.5MB. Free memory was 88.8MB in the beginning and 128.1MB in the end (delta: -39.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,551 INFO  L158              Benchmark]: Boogie Preprocessor took 83.62ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 123.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,551 INFO  L158              Benchmark]: RCFGBuilder took 1395.95ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 97.5MB in the end (delta: 25.7MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,552 INFO  L158              Benchmark]: TraceAbstraction took 26008.84ms. Allocated memory was 161.5MB in the beginning and 413.1MB in the end (delta: 251.7MB). Free memory was 97.5MB in the beginning and 334.8MB in the end (delta: -237.4MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,552 INFO  L158              Benchmark]: Witness Printer took 241.09ms. Allocated memory is still 413.1MB. Free memory was 334.8MB in the beginning and 323.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2023-11-12 02:19:02,554 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 706.28ms. Allocated memory is still 161.5MB. Free memory was 116.7MB in the beginning and 88.8MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 115.94ms. Allocated memory is still 161.5MB. Free memory was 88.8MB in the beginning and 128.1MB in the end (delta: -39.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 83.62ms. Allocated memory is still 161.5MB. Free memory was 128.1MB in the beginning and 123.2MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 1395.95ms. Allocated memory is still 161.5MB. Free memory was 123.2MB in the beginning and 97.5MB in the end (delta: 25.7MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 26008.84ms. Allocated memory was 161.5MB in the beginning and 413.1MB in the end (delta: 251.7MB). Free memory was 97.5MB in the beginning and 334.8MB in the end (delta: -237.4MB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB.
 * Witness Printer took 241.09ms. Allocated memory is still 413.1MB. Free memory was 334.8MB in the beginning and 323.3MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 128]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.9s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3377 SdHoareTripleChecker+Valid, 12.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3377 mSDsluCounter, 1330 SdHoareTripleChecker+Invalid, 10.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 1492 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7891 IncrementalHoareTripleChecker+Invalid, 9383 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1492 mSolverCounterUnsat, 1214 mSDtfsCounter, 7891 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1157 GetRequests, 1113 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2645occurred in iteration=10, InterpolantAutomatonStates: 57, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 5073 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 25 NumberOfFragments, 205 HoareAnnotationTreeSize, 1 FomulaSimplifications, 1272 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 1 FomulaSimplificationsInter, 1068 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 3129 NumberOfCodeBlocks, 3129 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3374 ConstructedInterpolants, 0 QuantifiedInterpolants, 17340 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1206 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 2279/2860 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 592]: Loop Invariant
    Derived loop invariant: ((((((((((((a19 <= 9) && (0 <= (331283 + (a1 / 5)))) && (4 <= a10)) && ((0 < (331283 + (a1 / 5))) || !(((a1 % 5) == 0)))) || ((((a10 == 1) && (0 <= (331283 + (a1 / 5)))) && ((0 < (331283 + (a1 / 5))) || !(((a1 % 5) == 0)))) && (9 <= a19))) || ((((a19 == 9) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((a19 <= 9) && (0 <= (331283 + (a1 / 5)))) && ((0 < (331283 + (a1 / 5))) || !(((a1 % 5) == 0)))) && (a10 == 2))) || ((((a10 == 0) && (a19 == 9)) && (14 == a4)) && (a12 == 0))) || (((((a19 == 9) && (0 <= (331283 + (a1 / 5)))) && ((0 < (331283 + (a1 / 5))) || !(((a1 % 5) == 0)))) && (14 == a4)) && (a12 == 0))) || (((0 <= (331283 + (a1 / 5))) && ((0 < (331283 + (a1 / 5))) || !(((a1 % 5) == 0)))) && (a19 <= 7))) || (((a10 == 0) && (0 <= (331283 + (a1 / 5)))) && ((0 < (331283 + (a1 / 5))) || !(((a1 % 5) == 0))))) || ((((a19 <= 9) && (219 <= a1)) && (14 == a4)) && (a12 == 0)))
RESULT: Ultimate proved your program to be correct!
[2023-11-12 02:19:02,604 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_744e205c-5e39-4077-813a-43206fe790c8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE