./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/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_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/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_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/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 eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 22:44:00,898 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 22:44:00,965 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf
[2023-12-02 22:44:00,969 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 22:44:00,970 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-12-02 22:44:00,992 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 22:44:00,993 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 22:44:00,993 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-12-02 22:44:00,994 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-02 22:44:00,994 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-02 22:44:00,995 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 22:44:00,995 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 22:44:00,996 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-02 22:44:00,997 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-02 22:44:00,997 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-02 22:44:00,998 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 22:44:00,998 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 22:44:00,999 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 22:44:00,999 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 22:44:01,000 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-02 22:44:01,000 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 22:44:01,001 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 22:44:01,002 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-12-02 22:44:01,002 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-12-02 22:44:01,002 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-12-02 22:44:01,003 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 22:44:01,003 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-02 22:44:01,004 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 22:44:01,004 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 22:44:01,005 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 22:44:01,005 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-12-02 22:44:01,005 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 22:44:01,006 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 22:44:01,017 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_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/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_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/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 -> eb7e704db84b45f8c7f1cb386fc610e1107f57c6e67c0a3b2af510d7426cfd4f
[2023-12-02 22:44:01,253 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 22:44:01,274 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 22:44:01,276 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 22:44:01,278 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 22:44:01,278 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 22:44:01,279 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c
[2023-12-02 22:44:03,953 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 22:44:04,129 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 22:44:04,130 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c
[2023-12-02 22:44:04,137 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/data/cd22df23a/abac5da26a28494fb5eea3a1252d63a2/FLAG062ed930d
[2023-12-02 22:44:04,154 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/data/cd22df23a/abac5da26a28494fb5eea3a1252d63a2
[2023-12-02 22:44:04,156 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 22:44:04,158 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 22:44:04,159 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 22:44:04,159 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 22:44:04,164 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 22:44:04,165 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,166 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ccfd81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04, skipping insertion in model container
[2023-12-02 22:44:04,167 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,198 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 22:44:04,348 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_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538]
[2023-12-02 22:44:04,377 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 22:44:04,388 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-02 22:44:04,400 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_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound5.c[525,538]
[2023-12-02 22:44:04,415 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 22:44:04,430 INFO  L206         MainTranslator]: Completed translation
[2023-12-02 22:44:04,431 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04 WrapperNode
[2023-12-02 22:44:04,431 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 22:44:04,432 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 22:44:04,432 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 22:44:04,432 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 22:44:04,440 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,447 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,468 INFO  L138                Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64
[2023-12-02 22:44:04,468 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 22:44:04,469 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 22:44:04,469 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 22:44:04,470 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 22:44:04,479 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,479 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,482 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,482 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,486 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,490 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,491 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,492 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,494 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 22:44:04,495 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 22:44:04,495 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 22:44:04,495 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-02 22:44:04,496 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,502 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-02 22:44:04,513 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/z3
[2023-12-02 22:44:04,524 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-12-02 22:44:04,533 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afe8871e-b4c8-4fd8-bba4-e83a7c18c455/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-12-02 22:44:04,576 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 22:44:04,577 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-02 22:44:04,577 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 22:44:04,577 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 22:44:04,578 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-12-02 22:44:04,578 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-12-02 22:44:04,657 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-02 22:44:04,659 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 22:44:04,866 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-02 22:44:04,915 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 22:44:04,915 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-02 22:44:04,916 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:04 BoogieIcfgContainer
[2023-12-02 22:44:04,916 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 22:44:04,917 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-12-02 22:44:04,917 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-12-02 22:44:04,925 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-12-02 22:44:04,925 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:44:04" (1/1) ...
[2023-12-02 22:44:04,933 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 22:44:04,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:04,978 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions.
[2023-12-02 22:44:04,979 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions.
[2023-12-02 22:44:04,980 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-12-02 22:44:04,981 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:04,981 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:05,056 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:05,100 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:05,102 INFO  L262         TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-02 22:44:05,106 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:05,123 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:05,146 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:05,148 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions.
[2023-12-02 22:44:05,148 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions.
[2023-12-02 22:44:05,148 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2023-12-02 22:44:05,148 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:05,149 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:05,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:05,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:05,202 INFO  L262         TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-02 22:44:05,203 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:05,249 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:05,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:05,286 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions.
[2023-12-02 22:44:05,286 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions.
[2023-12-02 22:44:05,287 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-12-02 22:44:05,287 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:05,288 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:05,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:05,325 INFO  L262         TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-02 22:44:05,327 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:05,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:05,471 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:05,472 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions.
[2023-12-02 22:44:05,472 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions.
[2023-12-02 22:44:05,475 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-12-02 22:44:05,475 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:05,476 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:05,509 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:06,007 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:17,057 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:44:17,126 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:17,128 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 37 states and 70 transitions.
[2023-12-02 22:44:17,128 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 70 transitions.
[2023-12-02 22:44:17,131 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2023-12-02 22:44:17,131 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:17,132 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:17,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:17,158 INFO  L262         TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-02 22:44:17,159 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:17,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:17,443 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:17,444 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 39 states and 74 transitions.
[2023-12-02 22:44:17,445 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions.
[2023-12-02 22:44:17,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 22:44:17,446 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:17,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:17,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:17,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-12-02 22:44:19,481 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:19,482 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 88 transitions.
[2023-12-02 22:44:19,482 INFO  L276                IsEmpty]: Start isEmpty. Operand 45 states and 88 transitions.
[2023-12-02 22:44:19,483 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 22:44:19,483 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:19,484 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:19,497 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:19,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-12-02 22:44:20,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:20,128 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 47 states and 90 transitions.
[2023-12-02 22:44:20,129 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 90 transitions.
[2023-12-02 22:44:20,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 22:44:20,130 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:20,130 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:20,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:20,150 INFO  L262         TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-02 22:44:20,151 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:20,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:20,811 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:20,812 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 50 states and 100 transitions.
[2023-12-02 22:44:20,812 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 100 transitions.
[2023-12-02 22:44:20,813 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 22:44:20,813 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:20,813 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:20,825 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:20,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-12-02 22:44:21,710 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:21,711 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions.
[2023-12-02 22:44:21,711 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions.
[2023-12-02 22:44:21,712 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-12-02 22:44:21,712 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:21,713 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:21,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:21,797 INFO  L262         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 18 conjunts are in the unsatisfiable core
[2023-12-02 22:44:21,799 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:22,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:34,578 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-02 22:44:38,052 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-02 22:44:38,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:38,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 124 transitions.
[2023-12-02 22:44:38,948 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions.
[2023-12-02 22:44:38,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-12-02 22:44:38,949 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:38,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:38,970 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:38,970 INFO  L262         TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-12-02 22:44:38,972 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:39,069 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:39,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:39,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 132 transitions.
[2023-12-02 22:44:39,348 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 132 transitions.
[2023-12-02 22:44:39,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-12-02 22:44:39,350 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:39,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:39,366 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:39,883 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:42,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:42,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 68 states and 147 transitions.
[2023-12-02 22:44:42,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 147 transitions.
[2023-12-02 22:44:42,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-12-02 22:44:42,844 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:42,844 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:42,868 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:42,869 INFO  L262         TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-12-02 22:44:42,870 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:43,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:43,891 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:43,892 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 71 states and 159 transitions.
[2023-12-02 22:44:43,892 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 159 transitions.
[2023-12-02 22:44:43,894 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-12-02 22:44:43,894 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:43,894 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:43,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:44,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:45,288 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:45,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 74 states and 166 transitions.
[2023-12-02 22:44:45,288 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 166 transitions.
[2023-12-02 22:44:45,289 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-02 22:44:45,289 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:45,289 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:45,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:45,468 INFO  L262         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core
[2023-12-02 22:44:45,470 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:45,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:49,692 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:49,693 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 81 states and 185 transitions.
[2023-12-02 22:44:49,693 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 185 transitions.
[2023-12-02 22:44:49,694 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-02 22:44:49,694 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:49,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:49,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:49,810 INFO  L262         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 20 conjunts are in the unsatisfiable core
[2023-12-02 22:44:49,812 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:44:49,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:44:52,335 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:44:52,336 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 86 states and 194 transitions.
[2023-12-02 22:44:52,336 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 194 transitions.
[2023-12-02 22:44:52,337 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-12-02 22:44:52,337 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:44:52,337 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:44:52,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:44:52,362 INFO  L262         TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-12-02 22:44:52,364 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:02,358 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-12-02 22:45:17,764 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:45:27,936 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:45:28,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:28,101 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 92 states and 214 transitions.
[2023-12-02 22:45:28,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 214 transitions.
[2023-12-02 22:45:28,102 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-02 22:45:28,102 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:28,103 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:28,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:28,122 INFO  L262         TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-12-02 22:45:28,123 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:28,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:28,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:28,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 94 states and 229 transitions.
[2023-12-02 22:45:28,778 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 229 transitions.
[2023-12-02 22:45:28,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-12-02 22:45:28,780 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:28,780 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:28,792 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:29,648 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:34,122 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:34,123 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 102 states and 246 transitions.
[2023-12-02 22:45:34,123 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 246 transitions.
[2023-12-02 22:45:34,123 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-12-02 22:45:34,123 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:34,124 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:34,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:34,142 INFO  L262         TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-12-02 22:45:34,143 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:34,504 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:35,940 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:35,941 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 105 states and 255 transitions.
[2023-12-02 22:45:35,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 255 transitions.
[2023-12-02 22:45:35,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-12-02 22:45:35,942 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:35,942 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:35,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:36,291 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:38,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:38,220 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 108 states and 262 transitions.
[2023-12-02 22:45:38,220 INFO  L276                IsEmpty]: Start isEmpty. Operand 108 states and 262 transitions.
[2023-12-02 22:45:38,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-02 22:45:38,221 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:38,221 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:38,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:38,244 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-02 22:45:38,245 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:38,859 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:42,159 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:42,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 111 states and 269 transitions.
[2023-12-02 22:45:42,161 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 269 transitions.
[2023-12-02 22:45:42,161 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-02 22:45:42,161 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:42,161 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:42,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:42,184 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-02 22:45:42,185 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:42,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:46,267 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:46,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 116 states and 281 transitions.
[2023-12-02 22:45:46,268 INFO  L276                IsEmpty]: Start isEmpty. Operand 116 states and 281 transitions.
[2023-12-02 22:45:46,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-02 22:45:46,269 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:46,269 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:46,541 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:46,542 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-02 22:45:46,544 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:46,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:51,943 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:51,944 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 122 states and 295 transitions.
[2023-12-02 22:45:51,944 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 295 transitions.
[2023-12-02 22:45:51,945 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-02 22:45:51,945 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:51,946 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:52,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:52,004 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-12-02 22:45:52,005 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:45:52,399 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:45:54,879 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:45:54,880 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 125 states and 302 transitions.
[2023-12-02 22:45:54,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 302 transitions.
[2023-12-02 22:45:54,881 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-12-02 22:45:54,881 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:45:54,881 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:45:54,909 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:45:54,910 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-12-02 22:45:54,913 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:46:18,591 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-12-02 22:46:34,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:46:34,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 132 states and 322 transitions.
[2023-12-02 22:46:34,492 INFO  L276                IsEmpty]: Start isEmpty. Operand 132 states and 322 transitions.
[2023-12-02 22:46:34,493 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2023-12-02 22:46:34,493 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:46:34,493 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:46:34,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:46:34,519 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-12-02 22:46:34,520 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:46:34,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-12-02 22:46:37,602 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:46:37,603 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 137 states and 331 transitions.
[2023-12-02 22:46:37,603 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states and 331 transitions.
[2023-12-02 22:46:37,604 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-02 22:46:37,604 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:46:37,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:46:37,610 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:46:38,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:46:40,597 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:46:40,598 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 139 states and 332 transitions.
[2023-12-02 22:46:40,598 INFO  L276                IsEmpty]: Start isEmpty. Operand 139 states and 332 transitions.
[2023-12-02 22:46:40,599 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-12-02 22:46:40,599 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:46:40,599 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:46:40,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:46:40,626 INFO  L262         TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-12-02 22:46:40,628 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:46:56,947 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-12-02 22:48:34,959 WARN  L293               SmtUtils]: Spent 11.10s on a formula simplification. DAG size of input: 26 DAG size of output: 21 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 22:49:01,917 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:49:05,829 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:49:15,841 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:49:15,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:49:15,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 141 states and 338 transitions.
[2023-12-02 22:49:15,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 141 states and 338 transitions.
[2023-12-02 22:49:15,847 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-12-02 22:49:15,847 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:49:15,848 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:49:15,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:49:16,604 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:49:20,469 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:49:20,470 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions.
[2023-12-02 22:49:20,470 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions.
[2023-12-02 22:49:20,470 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-12-02 22:49:20,471 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:49:20,471 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:49:20,495 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:49:20,496 INFO  L262         TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-12-02 22:49:20,496 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:49:30,812 INFO  L134       CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2023-12-02 22:49:57,974 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:49:58,968 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:49:58,968 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 94 states and 184 transitions.
[2023-12-02 22:49:58,968 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 184 transitions.
[2023-12-02 22:49:58,969 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-02 22:49:58,969 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:49:58,969 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:49:59,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:49:59,204 INFO  L262         TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-02 22:49:59,205 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:50:01,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 22:50:13,101 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:50:13,113 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:50:13,113 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 98 states and 196 transitions.
[2023-12-02 22:50:13,114 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 196 transitions.
[2023-12-02 22:50:13,114 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-12-02 22:50:13,114 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:50:13,114 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:50:13,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:50:13,143 INFO  L262         TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjunts are in the unsatisfiable core
[2023-12-02 22:50:13,145 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:51:02,341 INFO  L134       CoverageAnalysis]: Checked inductivity of 17 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-12-02 22:51:37,025 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:51:37,026 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 102 states and 205 transitions.
[2023-12-02 22:51:37,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 205 transitions.
[2023-12-02 22:51:37,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-02 22:51:37,027 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:51:37,027 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:51:37,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:51:37,059 INFO  L262         TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-12-02 22:51:37,060 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:51:37,119 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2023-12-02 22:51:38,141 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:51:38,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 102 states and 200 transitions.
[2023-12-02 22:51:38,142 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 200 transitions.
[2023-12-02 22:51:38,142 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-02 22:51:38,142 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:51:38,142 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:51:38,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:51:39,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked.
[2023-12-02 22:51:40,652 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:51:40,653 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 98 states and 180 transitions.
[2023-12-02 22:51:40,653 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 180 transitions.
[2023-12-02 22:51:40,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-02 22:51:40,653 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:51:40,654 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:51:40,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:51:40,682 INFO  L262         TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-12-02 22:51:40,684 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 22:52:13,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-12-02 22:53:41,216 WARN  L293               SmtUtils]: Spent 5.28s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 22:53:42,910 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:54:26,073 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:54:36,378 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:54:41,477 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []
[2023-12-02 22:54:41,616 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 22:54:41,617 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 100 states and 186 transitions.
[2023-12-02 22:54:41,617 INFO  L276                IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions.
[2023-12-02 22:54:41,617 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-12-02 22:54:41,617 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 22:54:41,618 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 22:54:41,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 22:54:41,642 INFO  L262         TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 17 conjunts are in the unsatisfiable core
[2023-12-02 22:54:41,643 INFO  L285         TraceCheckSpWp]: Computing forward predicates...