./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
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_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 21:36:18,421 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 21:36:18,482 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf
[2023-12-02 21:36:18,487 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 21:36:18,488 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-12-02 21:36:18,510 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 21:36:18,511 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 21:36:18,511 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-12-02 21:36:18,512 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-02 21:36:18,513 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-02 21:36:18,513 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 21:36:18,514 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 21:36:18,514 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-02 21:36:18,515 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-02 21:36:18,515 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-02 21:36:18,516 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 21:36:18,516 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 21:36:18,517 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 21:36:18,517 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 21:36:18,518 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-02 21:36:18,518 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 21:36:18,519 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 21:36:18,519 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-12-02 21:36:18,520 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-12-02 21:36:18,520 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-12-02 21:36:18,521 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 21:36:18,521 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-02 21:36:18,522 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 21:36:18,522 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 21:36:18,522 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 21:36:18,523 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-12-02 21:36:18,523 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 21:36:18,523 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 21:36:18,524 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/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_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9
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 -> Kojak
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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067
[2023-12-02 21:36:18,740 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 21:36:18,758 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 21:36:18,760 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 21:36:18,761 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 21:36:18,761 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 21:36:18,762 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c
[2023-12-02 21:36:21,545 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 21:36:21,693 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 21:36:21,693 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c
[2023-12-02 21:36:21,698 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/data/ddc572a6c/09fcb042037b43808e529a493af53860/FLAG15cc7bf90
[2023-12-02 21:36:21,709 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/data/ddc572a6c/09fcb042037b43808e529a493af53860
[2023-12-02 21:36:21,711 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 21:36:21,713 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 21:36:21,714 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 21:36:21,714 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 21:36:21,717 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 21:36:21,718 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,719 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@466ab183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21, skipping insertion in model container
[2023-12-02 21:36:21,719 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,737 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 21:36:21,859 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_a7583516-d18a-4559-8dad-7d153a46d9ff/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586]
[2023-12-02 21:36:21,872 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 21:36:21,883 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-02 21:36:21,895 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_a7583516-d18a-4559-8dad-7d153a46d9ff/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c[573,586]
[2023-12-02 21:36:21,900 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 21:36:21,913 INFO  L206         MainTranslator]: Completed translation
[2023-12-02 21:36:21,913 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21 WrapperNode
[2023-12-02 21:36:21,913 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 21:36:21,915 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 21:36:21,915 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 21:36:21,915 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 21:36:21,923 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,930 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,947 INFO  L138                Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2023-12-02 21:36:21,948 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 21:36:21,949 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 21:36:21,949 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 21:36:21,949 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 21:36:21,958 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,958 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,959 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,960 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,963 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,966 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,967 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,968 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,970 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 21:36:21,971 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 21:36:21,971 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 21:36:21,971 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-02 21:36:21,972 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:36:21" (1/1) ...
[2023-12-02 21:36:21,978 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-02 21:36:21,990 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/z3
[2023-12-02 21:36:22,006 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-12-02 21:36:22,011 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7583516-d18a-4559-8dad-7d153a46d9ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-12-02 21:36:22,042 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 21:36:22,042 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-02 21:36:22,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-02 21:36:22,042 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-02 21:36:22,042 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 21:36:22,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 21:36:22,043 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-12-02 21:36:22,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-12-02 21:36:22,114 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-02 21:36:22,116 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 21:36:22,227 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-02 21:36:22,263 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 21:36:22,264 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-02 21:36:22,266 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:22 BoogieIcfgContainer
[2023-12-02 21:36:22,266 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 21:36:22,267 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-12-02 21:36:22,267 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-12-02 21:36:22,277 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-12-02 21:36:22,277 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:36:22" (1/1) ...
[2023-12-02 21:36:22,286 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 21:36:22,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:22,342 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions.
[2023-12-02 21:36:22,343 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2023-12-02 21:36:22,346 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 21:36:22,347 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:22,347 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:22,454 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:22,511 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:22,512 INFO  L262         TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-02 21:36:22,517 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:22,536 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-12-02 21:36:22,563 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:22,563 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions.
[2023-12-02 21:36:22,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2023-12-02 21:36:22,564 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 21:36:22,564 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:22,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:22,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:22,605 INFO  L262         TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-02 21:36:22,608 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:22,865 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-12-02 21:36:23,088 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:23,088 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions.
[2023-12-02 21:36:23,089 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions.
[2023-12-02 21:36:23,090 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-12-02 21:36:23,090 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:23,090 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:23,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:23,123 INFO  L262         TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core
[2023-12-02 21:36:23,126 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:23,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-12-02 21:36:23,655 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:23,656 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions.
[2023-12-02 21:36:23,656 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions.
[2023-12-02 21:36:23,657 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-12-02 21:36:23,657 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:23,658 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:23,687 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:23,688 INFO  L262         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core
[2023-12-02 21:36:23,691 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:23,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-12-02 21:36:24,394 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:24,395 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions.
[2023-12-02 21:36:24,395 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions.
[2023-12-02 21:36:24,396 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-12-02 21:36:24,396 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:24,397 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:24,431 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:24,432 INFO  L262         TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-02 21:36:24,435 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:24,994 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-12-02 21:36:25,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:25,618 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions.
[2023-12-02 21:36:25,619 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions.
[2023-12-02 21:36:25,620 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-12-02 21:36:25,621 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:25,621 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:25,657 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:25,659 INFO  L262         TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 25 conjunts are in the unsatisfiable core
[2023-12-02 21:36:25,661 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:26,538 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-12-02 21:36:27,471 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:27,472 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 56 transitions.
[2023-12-02 21:36:27,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions.
[2023-12-02 21:36:27,474 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-12-02 21:36:27,474 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:27,474 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:27,526 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:27,527 INFO  L262         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core
[2023-12-02 21:36:27,530 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:28,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 60 backedges. 17 proven. 27 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-12-02 21:36:31,775 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:31,776 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 80 transitions.
[2023-12-02 21:36:31,776 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions.
[2023-12-02 21:36:31,778 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2023-12-02 21:36:31,778 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:31,778 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:31,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:31,809 INFO  L262         TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-12-02 21:36:31,811 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:32,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2023-12-02 21:36:34,384 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:34,386 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 86 transitions.
[2023-12-02 21:36:34,386 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 86 transitions.
[2023-12-02 21:36:34,387 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2023-12-02 21:36:34,387 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:34,387 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:34,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:34,452 INFO  L262         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-02 21:36:34,454 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:35,894 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2023-12-02 21:36:38,034 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:38,035 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 93 transitions.
[2023-12-02 21:36:38,035 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions.
[2023-12-02 21:36:38,036 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2023-12-02 21:36:38,036 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:38,036 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:38,096 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:38,097 INFO  L262         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-02 21:36:38,099 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:39,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 22 proven. 41 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked.
[2023-12-02 21:36:41,357 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:41,358 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 53 states and 95 transitions.
[2023-12-02 21:36:41,358 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 95 transitions.
[2023-12-02 21:36:41,360 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-12-02 21:36:41,360 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:41,360 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:41,432 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:41,433 INFO  L262         TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-12-02 21:36:41,436 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:43,507 INFO  L134       CoverageAnalysis]: Checked inductivity of 131 backedges. 28 proven. 69 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2023-12-02 21:36:47,903 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:47,905 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 103 transitions.
[2023-12-02 21:36:47,905 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions.
[2023-12-02 21:36:47,906 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-12-02 21:36:47,906 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:47,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:47,979 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:47,980 INFO  L262         TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core
[2023-12-02 21:36:47,982 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:49,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 131 backedges. 27 proven. 58 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2023-12-02 21:36:51,694 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:51,695 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 104 transitions.
[2023-12-02 21:36:51,696 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions.
[2023-12-02 21:36:51,697 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-12-02 21:36:51,697 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:51,697 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:51,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:51,781 INFO  L262         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core
[2023-12-02 21:36:51,784 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:36:54,021 INFO  L134       CoverageAnalysis]: Checked inductivity of 177 backedges. 32 proven. 78 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2023-12-02 21:36:59,217 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:36:59,218 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 112 transitions.
[2023-12-02 21:36:59,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 112 transitions.
[2023-12-02 21:36:59,219 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-12-02 21:36:59,219 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:36:59,219 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:36:59,303 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:36:59,305 INFO  L262         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core
[2023-12-02 21:36:59,308 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:37:01,838 INFO  L134       CoverageAnalysis]: Checked inductivity of 177 backedges. 48 proven. 80 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2023-12-02 21:37:04,070 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:37:04,071 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 61 states and 113 transitions.
[2023-12-02 21:37:04,071 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 113 transitions.
[2023-12-02 21:37:04,072 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2023-12-02 21:37:04,072 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:37:04,072 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:37:04,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:37:04,170 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 21:37:04,172 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:37:07,930 INFO  L134       CoverageAnalysis]: Checked inductivity of 230 backedges. 48 proven. 105 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2023-12-02 21:37:14,480 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:37:14,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 121 transitions.
[2023-12-02 21:37:14,481 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 121 transitions.
[2023-12-02 21:37:14,482 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2023-12-02 21:37:14,482 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:37:14,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:37:14,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:37:14,605 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 21:37:14,607 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:37:17,414 INFO  L134       CoverageAnalysis]: Checked inductivity of 230 backedges. 51 proven. 102 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked.
[2023-12-02 21:37:20,437 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:37:20,438 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 122 transitions.
[2023-12-02 21:37:20,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 122 transitions.
[2023-12-02 21:37:20,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-12-02 21:37:20,439 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:37:20,439 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:37:20,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:37:20,591 INFO  L262         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 36 conjunts are in the unsatisfiable core
[2023-12-02 21:37:20,594 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:37:25,037 INFO  L134       CoverageAnalysis]: Checked inductivity of 290 backedges. 56 proven. 131 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.
[2023-12-02 21:37:32,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:37:32,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 68 states and 129 transitions.
[2023-12-02 21:37:32,100 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions.
[2023-12-02 21:37:32,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-12-02 21:37:32,102 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:37:32,102 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:37:32,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:37:32,216 INFO  L262         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 36 conjunts are in the unsatisfiable core
[2023-12-02 21:37:32,218 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:37:36,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 290 backedges. 53 proven. 134 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked.
[2023-12-02 21:37:43,296 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:37:43,297 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 69 states and 131 transitions.
[2023-12-02 21:37:43,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 131 transitions.
[2023-12-02 21:37:43,298 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-12-02 21:37:43,298 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:37:43,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:37:43,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:37:43,431 INFO  L262         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-02 21:37:43,433 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:37:50,045 INFO  L134       CoverageAnalysis]: Checked inductivity of 357 backedges. 46 proven. 156 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked.
[2023-12-02 21:38:03,375 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:38:03,376 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 140 transitions.
[2023-12-02 21:38:03,376 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions.
[2023-12-02 21:38:03,377 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-12-02 21:38:03,377 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:38:03,377 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:38:03,482 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:38:03,484 INFO  L262         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-12-02 21:38:03,487 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:38:09,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 357 backedges. 47 proven. 156 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked.
[2023-12-02 21:38:15,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:38:15,521 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 73 states and 141 transitions.
[2023-12-02 21:38:15,521 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions.
[2023-12-02 21:38:15,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2023-12-02 21:38:15,522 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:38:15,523 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:38:15,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:38:15,647 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 33 conjunts are in the unsatisfiable core
[2023-12-02 21:38:15,649 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:38:22,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 431 backedges. 74 proven. 189 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2023-12-02 21:38:34,660 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:38:34,661 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 76 states and 148 transitions.
[2023-12-02 21:38:34,661 INFO  L276                IsEmpty]: Start isEmpty. Operand 76 states and 148 transitions.
[2023-12-02 21:38:34,662 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2023-12-02 21:38:34,662 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:38:34,662 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:38:34,761 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:38:34,763 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 28 conjunts are in the unsatisfiable core
[2023-12-02 21:38:34,766 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:38:41,426 INFO  L134       CoverageAnalysis]: Checked inductivity of 431 backedges. 51 proven. 188 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked.
[2023-12-02 21:38:51,022 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:38:51,023 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 77 states and 150 transitions.
[2023-12-02 21:38:51,023 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions.
[2023-12-02 21:38:51,024 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-12-02 21:38:51,024 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:38:51,024 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:38:51,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:38:51,207 INFO  L262         TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-12-02 21:38:51,210 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:38:59,829 INFO  L134       CoverageAnalysis]: Checked inductivity of 512 backedges. 82 proven. 224 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2023-12-02 21:39:06,807 WARN  L293               SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 259 DAG size of output: 254 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:39:15,896 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:39:15,897 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 80 states and 158 transitions.
[2023-12-02 21:39:15,897 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions.
[2023-12-02 21:39:15,898 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-12-02 21:39:15,898 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:39:15,898 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:39:16,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:39:16,068 INFO  L262         TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-12-02 21:39:16,071 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:39:25,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 512 backedges. 82 proven. 224 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2023-12-02 21:39:34,735 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:39:34,735 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 81 states and 159 transitions.
[2023-12-02 21:39:34,735 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions.
[2023-12-02 21:39:34,736 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 21:39:34,736 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:39:34,736 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:39:34,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:39:34,855 INFO  L262         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-12-02 21:39:34,857 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:39:44,117 INFO  L134       CoverageAnalysis]: Checked inductivity of 600 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked.
[2023-12-02 21:39:52,081 WARN  L293               SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 254 DAG size of output: 250 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:40:02,596 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:40:02,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 84 states and 166 transitions.
[2023-12-02 21:40:02,597 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 166 transitions.
[2023-12-02 21:40:02,597 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 21:40:02,598 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:40:02,598 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:40:02,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:40:02,772 INFO  L262         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 21:40:02,775 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:40:13,511 INFO  L134       CoverageAnalysis]: Checked inductivity of 600 backedges. 62 proven. 261 refuted. 0 times theorem prover too weak. 277 trivial. 0 not checked.
[2023-12-02 21:40:31,338 WARN  L293               SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 285 DAG size of output: 283 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:40:37,365 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:40:37,366 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 93 states and 187 transitions.
[2023-12-02 21:40:37,366 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 187 transitions.
[2023-12-02 21:40:37,367 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 21:40:37,367 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:40:37,368 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:40:37,510 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:40:37,511 INFO  L262         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-12-02 21:40:37,515 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:40:46,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 600 backedges. 61 proven. 261 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked.
[2023-12-02 21:40:55,036 WARN  L293               SmtUtils]: Spent 7.41s on a formula simplification. DAG size of input: 309 DAG size of output: 284 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:40:59,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:40:59,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 94 states and 189 transitions.
[2023-12-02 21:40:59,995 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 189 transitions.
[2023-12-02 21:40:59,995 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-02 21:40:59,995 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:40:59,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:41:00,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:41:00,174 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 36 conjunts are in the unsatisfiable core
[2023-12-02 21:41:00,177 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:41:12,405 INFO  L134       CoverageAnalysis]: Checked inductivity of 695 backedges. 67 proven. 302 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked.
[2023-12-02 21:41:30,117 WARN  L293               SmtUtils]: Spent 8.40s on a formula simplification. DAG size of input: 318 DAG size of output: 317 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:41:43,497 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:41:43,498 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 101 states and 203 transitions.
[2023-12-02 21:41:43,498 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 203 transitions.
[2023-12-02 21:41:43,499 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-02 21:41:43,499 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:41:43,499 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:41:43,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:41:43,658 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-12-02 21:41:43,662 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:41:54,722 INFO  L134       CoverageAnalysis]: Checked inductivity of 695 backedges. 66 proven. 302 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked.
[2023-12-02 21:42:03,536 WARN  L293               SmtUtils]: Spent 7.00s on a formula simplification. DAG size of input: 292 DAG size of output: 285 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:42:19,251 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:42:19,252 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 104 states and 210 transitions.
[2023-12-02 21:42:19,252 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 210 transitions.
[2023-12-02 21:42:19,253 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-02 21:42:19,253 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:42:19,253 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:42:19,430 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:42:19,433 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 36 conjunts are in the unsatisfiable core
[2023-12-02 21:42:19,436 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:42:31,937 INFO  L134       CoverageAnalysis]: Checked inductivity of 695 backedges. 67 proven. 302 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked.
[2023-12-02 21:42:35,644 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:42:35,645 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 105 states and 210 transitions.
[2023-12-02 21:42:35,645 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 210 transitions.
[2023-12-02 21:42:35,646 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-02 21:42:35,646 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:42:35,646 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:42:35,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:42:35,852 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 36 conjunts are in the unsatisfiable core
[2023-12-02 21:42:35,855 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:42:48,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 695 backedges. 98 proven. 303 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked.
[2023-12-02 21:43:02,115 WARN  L293               SmtUtils]: Spent 11.99s on a formula simplification. DAG size of input: 353 DAG size of output: 310 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:43:08,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:43:08,321 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 106 states and 211 transitions.
[2023-12-02 21:43:08,321 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 211 transitions.
[2023-12-02 21:43:08,321 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2023-12-02 21:43:08,321 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:43:08,322 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:43:08,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:43:08,518 INFO  L262         TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-12-02 21:43:08,521 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:43:21,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 797 backedges. 81 proven. 402 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2023-12-02 21:43:32,222 WARN  L293               SmtUtils]: Spent 9.13s on a formula simplification. DAG size of input: 325 DAG size of output: 320 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:43:46,463 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:43:46,464 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 109 states and 218 transitions.
[2023-12-02 21:43:46,464 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 218 transitions.
[2023-12-02 21:43:46,465 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2023-12-02 21:43:46,465 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:43:46,465 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:43:46,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:43:46,693 INFO  L262         TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 47 conjunts are in the unsatisfiable core
[2023-12-02 21:43:46,696 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:43:59,039 INFO  L134       CoverageAnalysis]: Checked inductivity of 797 backedges. 146 proven. 361 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked.
[2023-12-02 21:44:10,838 WARN  L293               SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 350 DAG size of output: 346 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:44:18,591 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:44:18,592 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 110 states and 220 transitions.
[2023-12-02 21:44:18,592 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 220 transitions.
[2023-12-02 21:44:18,593 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-12-02 21:44:18,593 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:44:18,593 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:44:18,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:44:18,837 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-12-02 21:44:18,840 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:44:34,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 111 proven. 397 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked.
[2023-12-02 21:44:46,944 WARN  L293               SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 360 DAG size of output: 352 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:44:54,676 WARN  L293               SmtUtils]: Spent 5.33s on a formula simplification that was a NOOP. DAG size: 353 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:45:03,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:45:03,480 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 113 states and 227 transitions.
[2023-12-02 21:45:03,480 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 227 transitions.
[2023-12-02 21:45:03,481 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-12-02 21:45:03,481 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:45:03,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:45:03,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:45:03,714 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 43 conjunts are in the unsatisfiable core
[2023-12-02 21:45:03,717 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:45:20,990 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 115 proven. 394 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked.
[2023-12-02 21:45:48,079 WARN  L293               SmtUtils]: Spent 12.28s on a formula simplification. DAG size of input: 380 DAG size of output: 378 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:45:57,374 WARN  L293               SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 379 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:45:58,923 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:45:58,923 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 119 states and 236 transitions.
[2023-12-02 21:45:58,923 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 236 transitions.
[2023-12-02 21:45:58,924 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-12-02 21:45:58,924 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:45:58,924 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:45:59,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:45:59,199 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-12-02 21:45:59,201 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:46:13,579 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 111 proven. 397 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked.
[2023-12-02 21:46:33,737 WARN  L293               SmtUtils]: Spent 17.95s on a formula simplification. DAG size of input: 408 DAG size of output: 370 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:46:42,092 WARN  L293               SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 371 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:46:42,405 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:46:42,406 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 120 states and 238 transitions.
[2023-12-02 21:46:42,406 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 238 transitions.
[2023-12-02 21:46:42,407 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-12-02 21:46:42,407 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:46:42,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:46:42,558 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:46:42,560 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 44 conjunts are in the unsatisfiable core
[2023-12-02 21:46:42,569 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:47:00,164 INFO  L134       CoverageAnalysis]: Checked inductivity of 1022 backedges. 106 proven. 496 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-02 21:47:17,956 WARN  L293               SmtUtils]: Spent 14.44s on a formula simplification. DAG size of input: 410 DAG size of output: 407 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:47:28,620 WARN  L293               SmtUtils]: Spent 7.08s on a formula simplification that was a NOOP. DAG size: 408 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:47:39,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:47:39,010 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 123 states and 246 transitions.
[2023-12-02 21:47:39,011 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 246 transitions.
[2023-12-02 21:47:39,011 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-12-02 21:47:39,011 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:47:39,011 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:47:39,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:47:39,177 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 39 conjunts are in the unsatisfiable core
[2023-12-02 21:47:39,180 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:47:57,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 1022 backedges. 82 proven. 443 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked.
[2023-12-02 21:48:12,752 WARN  L293               SmtUtils]: Spent 12.25s on a formula simplification. DAG size of input: 389 DAG size of output: 386 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:48:21,957 WARN  L293               SmtUtils]: Spent 6.30s on a formula simplification that was a NOOP. DAG size: 387 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:48:23,382 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:48:23,383 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 126 states and 252 transitions.
[2023-12-02 21:48:23,383 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 252 transitions.
[2023-12-02 21:48:23,384 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-12-02 21:48:23,384 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:48:23,384 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:48:23,565 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:48:23,567 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 39 conjunts are in the unsatisfiable core
[2023-12-02 21:48:23,570 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:48:42,361 INFO  L134       CoverageAnalysis]: Checked inductivity of 1022 backedges. 98 proven. 468 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked.
[2023-12-02 21:49:03,788 WARN  L293               SmtUtils]: Spent 18.92s on a formula simplification. DAG size of input: 418 DAG size of output: 378 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:49:12,568 WARN  L293               SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 379 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:49:12,878 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:49:12,879 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 127 states and 253 transitions.
[2023-12-02 21:49:12,879 INFO  L276                IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions.
[2023-12-02 21:49:12,880 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2023-12-02 21:49:12,880 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:49:12,880 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:49:13,197 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:49:13,199 INFO  L262         TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 21:49:13,203 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:49:32,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 1145 backedges. 86 proven. 496 refuted. 0 times theorem prover too weak. 563 trivial. 0 not checked.
[2023-12-02 21:49:51,684 WARN  L293               SmtUtils]: Spent 16.90s on a formula simplification. DAG size of input: 447 DAG size of output: 444 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:50:03,921 WARN  L293               SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 445 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:50:15,778 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:50:15,779 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 130 states and 261 transitions.
[2023-12-02 21:50:15,779 INFO  L276                IsEmpty]: Start isEmpty. Operand 130 states and 261 transitions.
[2023-12-02 21:50:15,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2023-12-02 21:50:15,779 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:50:15,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:50:16,039 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:50:16,042 INFO  L262         TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 40 conjunts are in the unsatisfiable core
[2023-12-02 21:50:16,045 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 21:50:35,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 1145 backedges. 97 proven. 530 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked.
[2023-12-02 21:50:53,913 WARN  L293               SmtUtils]: Spent 15.54s on a formula simplification. DAG size of input: 420 DAG size of output: 415 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:51:04,604 WARN  L293               SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 416 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 21:51:04,979 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 21:51:04,980 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 131 states and 262 transitions.
[2023-12-02 21:51:04,980 INFO  L276                IsEmpty]: Start isEmpty. Operand 131 states and 262 transitions.
[2023-12-02 21:51:04,981 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 147
[2023-12-02 21:51:04,981 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 21:51:04,981 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 21:51:05,175 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 21:51:05,178 INFO  L262         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 41 conjunts are in the unsatisfiable core
[2023-12-02 21:51:05,181 INFO  L285         TraceCheckSpWp]: Computing forward predicates...