./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.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_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/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_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/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_69405d5e-37d5-4af2-badf-6be7316ce193/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 23:17:07,678 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 23:17:07,741 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf
[2023-12-02 23:17:07,745 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 23:17:07,746 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver
[2023-12-02 23:17:07,767 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 23:17:07,768 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 23:17:07,769 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2023-12-02 23:17:07,769 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-02 23:17:07,770 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-02 23:17:07,770 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 23:17:07,771 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 23:17:07,772 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-02 23:17:07,772 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-02 23:17:07,773 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-02 23:17:07,773 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 23:17:07,774 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 23:17:07,774 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 23:17:07,775 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 23:17:07,775 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-02 23:17:07,776 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 23:17:07,781 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 23:17:07,781 INFO  L151        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2023-12-02 23:17:07,781 INFO  L153        SettingsManager]:  * Timeout in seconds=1000000
[2023-12-02 23:17:07,782 INFO  L153        SettingsManager]:  * Theory for external solver=ALL
[2023-12-02 23:17:07,782 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 23:17:07,782 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-02 23:17:07,783 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 23:17:07,783 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 23:17:07,783 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 23:17:07,784 INFO  L153        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2023-12-02 23:17:07,787 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 23:17:07,787 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 23:17:07,787 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_69405d5e-37d5-4af2-badf-6be7316ce193/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_69405d5e-37d5-4af2-badf-6be7316ce193/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 23:17:08,006 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 23:17:08,026 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 23:17:08,028 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 23:17:08,029 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 23:17:08,030 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 23:17:08,031 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c
[2023-12-02 23:17:10,748 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 23:17:10,944 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 23:17:10,945 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c
[2023-12-02 23:17:10,951 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/data/61dbe1bd6/dee4dd41844a43de9046048745c13e43/FLAG87d8c3293
[2023-12-02 23:17:10,963 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/data/61dbe1bd6/dee4dd41844a43de9046048745c13e43
[2023-12-02 23:17:10,965 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 23:17:10,966 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 23:17:10,967 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 23:17:10,967 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 23:17:10,970 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 23:17:10,971 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:10" (1/1) ...
[2023-12-02 23:17:10,972 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de6f544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:10, skipping insertion in model container
[2023-12-02 23:17:10,972 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:17:10" (1/1) ...
[2023-12-02 23:17:10,993 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 23:17:11,126 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_69405d5e-37d5-4af2-badf-6be7316ce193/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586]
[2023-12-02 23:17:11,140 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 23:17:11,150 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-02 23:17:11,160 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_69405d5e-37d5-4af2-badf-6be7316ce193/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c[573,586]
[2023-12-02 23:17:11,165 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 23:17:11,180 INFO  L206         MainTranslator]: Completed translation
[2023-12-02 23:17:11,180 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11 WrapperNode
[2023-12-02 23:17:11,180 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 23:17:11,181 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 23:17:11,182 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 23:17:11,182 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 23:17:11,189 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,195 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,214 INFO  L138                Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43
[2023-12-02 23:17:11,214 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 23:17:11,215 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 23:17:11,215 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 23:17:11,216 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 23:17:11,224 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,225 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,226 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,226 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,229 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,232 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,233 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,234 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,236 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 23:17:11,236 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 23:17:11,237 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 23:17:11,237 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-02 23:17:11,238 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,243 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2023-12-02 23:17:11,254 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/z3
[2023-12-02 23:17:11,265 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2023-12-02 23:17:11,269 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69405d5e-37d5-4af2-badf-6be7316ce193/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2023-12-02 23:17:11,299 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 23:17:11,300 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2023-12-02 23:17:11,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2023-12-02 23:17:11,300 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-02 23:17:11,300 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 23:17:11,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 23:17:11,300 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2023-12-02 23:17:11,300 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2023-12-02 23:17:11,370 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-02 23:17:11,373 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 23:17:11,482 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-02 23:17:11,511 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 23:17:11,512 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-12-02 23:17:11,513 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:11 BoogieIcfgContainer
[2023-12-02 23:17:11,513 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 23:17:11,514 INFO  L112        PluginConnector]: ------------------------CodeCheck----------------------------
[2023-12-02 23:17:11,514 INFO  L270        PluginConnector]: Initializing CodeCheck...
[2023-12-02 23:17:11,521 INFO  L274        PluginConnector]: CodeCheck initialized
[2023-12-02 23:17:11,521 INFO  L184        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:17:11" (1/1) ...
[2023-12-02 23:17:11,528 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 23:17:11,566 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:11,572 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions.
[2023-12-02 23:17:11,573 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2023-12-02 23:17:11,576 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 23:17:11,576 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:11,577 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:11,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:11,709 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:11,711 INFO  L262         TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-02 23:17:11,716 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:11,741 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 23:17:11,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:11,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions.
[2023-12-02 23:17:11,769 INFO  L276                IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2023-12-02 23:17:11,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 23:17:11,770 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:11,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:11,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:11,811 INFO  L262         TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-02 23:17:11,814 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:12,087 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 23:17:12,339 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:12,340 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 28 transitions.
[2023-12-02 23:17:12,340 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions.
[2023-12-02 23:17:12,342 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-12-02 23:17:12,342 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:12,342 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:12,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:12,374 INFO  L262         TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core
[2023-12-02 23:17:12,376 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:12,561 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 23:17:12,849 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:12,850 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 37 transitions.
[2023-12-02 23:17:12,850 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions.
[2023-12-02 23:17:12,851 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-12-02 23:17:12,851 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:12,851 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:12,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:12,883 INFO  L262         TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 23 conjunts are in the unsatisfiable core
[2023-12-02 23:17:12,885 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:13,183 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 23:17:13,623 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:13,624 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 44 transitions.
[2023-12-02 23:17:13,624 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions.
[2023-12-02 23:17:13,626 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-12-02 23:17:13,626 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:13,626 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:13,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:13,663 INFO  L262         TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 24 conjunts are in the unsatisfiable core
[2023-12-02 23:17:13,667 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:14,208 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 23:17:14,841 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:14,842 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 50 transitions.
[2023-12-02 23:17:14,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions.
[2023-12-02 23:17:14,844 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-12-02 23:17:14,844 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:14,845 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:14,882 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:14,884 INFO  L262         TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 20 conjunts are in the unsatisfiable core
[2023-12-02 23:17:14,886 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:15,627 INFO  L134       CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2023-12-02 23:17:16,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:16,633 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 58 transitions.
[2023-12-02 23:17:16,633 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 58 transitions.
[2023-12-02 23:17:16,635 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2023-12-02 23:17:16,635 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:16,635 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:16,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:16,671 INFO  L262         TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 15 conjunts are in the unsatisfiable core
[2023-12-02 23:17:16,674 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:17,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 25 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-12-02 23:17:19,155 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:19,156 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 64 transitions.
[2023-12-02 23:17:19,156 INFO  L276                IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions.
[2023-12-02 23:17:19,157 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-12-02 23:17:19,157 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:19,158 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:19,218 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:19,220 INFO  L262         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core
[2023-12-02 23:17:19,222 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:20,623 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 23:17:23,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:23,992 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 49 states and 89 transitions.
[2023-12-02 23:17:23,993 INFO  L276                IsEmpty]: Start isEmpty. Operand 49 states and 89 transitions.
[2023-12-02 23:17:23,993 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2023-12-02 23:17:23,993 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:23,994 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:24,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:24,060 INFO  L262         TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 26 conjunts are in the unsatisfiable core
[2023-12-02 23:17:24,062 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:24,932 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 23:17:26,158 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:26,159 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 91 transitions.
[2023-12-02 23:17:26,159 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions.
[2023-12-02 23:17:26,160 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2023-12-02 23:17:26,160 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:26,161 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:26,223 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:26,224 INFO  L262         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-02 23:17:26,226 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:27,789 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 23:17:30,802 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:30,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 99 transitions.
[2023-12-02 23:17:30,804 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions.
[2023-12-02 23:17:30,805 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2023-12-02 23:17:30,805 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:30,805 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:30,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:30,862 INFO  L262         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-02 23:17:30,864 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:32,220 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 23:17:33,886 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:33,887 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 54 states and 100 transitions.
[2023-12-02 23:17:33,887 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions.
[2023-12-02 23:17:33,888 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-12-02 23:17:33,888 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:33,888 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:33,961 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:33,962 INFO  L262         TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 33 conjunts are in the unsatisfiable core
[2023-12-02 23:17:33,965 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:36,269 INFO  L134       CoverageAnalysis]: Checked inductivity of 131 backedges. 32 proven. 62 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2023-12-02 23:17:40,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:40,694 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 108 transitions.
[2023-12-02 23:17:40,694 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 108 transitions.
[2023-12-02 23:17:40,695 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2023-12-02 23:17:40,695 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:40,695 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:40,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:40,778 INFO  L262         TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 28 conjunts are in the unsatisfiable core
[2023-12-02 23:17:40,780 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:42,768 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 23:17:45,076 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:45,077 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 109 transitions.
[2023-12-02 23:17:45,077 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 109 transitions.
[2023-12-02 23:17:45,078 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-12-02 23:17:45,078 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:45,078 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:45,165 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:45,166 INFO  L262         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 29 conjunts are in the unsatisfiable core
[2023-12-02 23:17:45,168 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:47,961 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 23:17:52,834 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:17:52,835 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 61 states and 116 transitions.
[2023-12-02 23:17:52,835 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions.
[2023-12-02 23:17:52,836 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2023-12-02 23:17:52,836 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:17:52,836 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:17:52,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:17:52,940 INFO  L262         TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 44 conjunts are in the unsatisfiable core
[2023-12-02 23:17:52,942 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:17:56,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 177 backedges. 44 proven. 84 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2023-12-02 23:18:00,059 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:18:00,060 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 62 states and 118 transitions.
[2023-12-02 23:18:00,060 INFO  L276                IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions.
[2023-12-02 23:18:00,061 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2023-12-02 23:18:00,061 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:18:00,061 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:18:00,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:18:00,172 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-12-02 23:18:00,175 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:18:03,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 230 backedges. 37 proven. 101 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2023-12-02 23:18:09,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:18:09,743 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 65 states and 125 transitions.
[2023-12-02 23:18:09,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions.
[2023-12-02 23:18:09,744 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2023-12-02 23:18:09,745 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:18:09,745 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:18:09,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:18:09,853 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 30 conjunts are in the unsatisfiable core
[2023-12-02 23:18:09,855 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:18:12,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 230 backedges. 37 proven. 101 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2023-12-02 23:18:17,521 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:18:17,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 127 transitions.
[2023-12-02 23:18:17,522 INFO  L276                IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions.
[2023-12-02 23:18:17,522 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-12-02 23:18:17,523 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:18:17,523 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:18:17,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:18:17,643 INFO  L262         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-12-02 23:18:17,645 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:18:22,363 INFO  L134       CoverageAnalysis]: Checked inductivity of 290 backedges. 42 proven. 127 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked.
[2023-12-02 23:18:31,777 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:18:31,778 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 69 states and 135 transitions.
[2023-12-02 23:18:31,778 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions.
[2023-12-02 23:18:31,779 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 77
[2023-12-02 23:18:31,779 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:18:31,779 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:18:31,907 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:18:31,908 INFO  L262         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 36 conjunts are in the unsatisfiable core
[2023-12-02 23:18:31,911 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:18:36,703 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 23:18:42,230 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:18:42,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 70 states and 136 transitions.
[2023-12-02 23:18:42,231 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 136 transitions.
[2023-12-02 23:18:42,232 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-12-02 23:18:42,232 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:18:42,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:18:42,374 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:18:42,376 INFO  L262         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 27 conjunts are in the unsatisfiable core
[2023-12-02 23:18:42,379 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:18:48,840 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 23:19:02,004 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:19:02,005 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 144 transitions.
[2023-12-02 23:19:02,005 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 144 transitions.
[2023-12-02 23:19:02,006 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2023-12-02 23:19:02,006 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:19:02,006 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:19:02,147 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:19:02,149 INFO  L262         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-12-02 23:19:02,151 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:19:07,621 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 23:19:16,892 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:19:16,893 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 74 states and 146 transitions.
[2023-12-02 23:19:16,893 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 146 transitions.
[2023-12-02 23:19:16,893 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2023-12-02 23:19:16,893 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:19:16,894 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:19:17,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:19:17,017 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 38 conjunts are in the unsatisfiable core
[2023-12-02 23:19:17,020 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:19:24,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 431 backedges. 82 proven. 199 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2023-12-02 23:19:37,390 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:19:37,391 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 77 states and 153 transitions.
[2023-12-02 23:19:37,391 INFO  L276                IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions.
[2023-12-02 23:19:37,392 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2023-12-02 23:19:37,392 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:19:37,392 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:19:37,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:19:37,477 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 28 conjunts are in the unsatisfiable core
[2023-12-02 23:19:37,480 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:19:43,920 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 23:19:50,669 WARN  L293               SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 229 DAG size of output: 224 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:19:55,231 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:19:55,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 78 states and 155 transitions.
[2023-12-02 23:19:55,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions.
[2023-12-02 23:19:55,232 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-12-02 23:19:55,232 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:19:55,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:19:55,373 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:19:55,375 INFO  L262         TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 29 conjunts are in the unsatisfiable core
[2023-12-02 23:19:55,378 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:20:04,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 512 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked.
[2023-12-02 23:20:20,513 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:20:20,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 81 states and 162 transitions.
[2023-12-02 23:20:20,513 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 162 transitions.
[2023-12-02 23:20:20,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2023-12-02 23:20:20,514 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:20:20,515 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:20:20,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:20:20,681 INFO  L262         TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 34 conjunts are in the unsatisfiable core
[2023-12-02 23:20:20,684 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:20:29,044 INFO  L134       CoverageAnalysis]: Checked inductivity of 512 backedges. 79 proven. 227 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked.
[2023-12-02 23:20:37,502 WARN  L293               SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 252 DAG size of output: 251 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:20:42,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:20:42,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 82 states and 164 transitions.
[2023-12-02 23:20:42,908 INFO  L276                IsEmpty]: Start isEmpty. Operand 82 states and 164 transitions.
[2023-12-02 23:20:42,908 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 23:20:42,909 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:20:42,909 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:20:43,012 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:20:43,014 INFO  L262         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 23:20:43,017 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:20:53,862 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 23:21:16,286 WARN  L293               SmtUtils]: Spent 8.67s on a formula simplification. DAG size of input: 282 DAG size of output: 280 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:21:28,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:21:28,670 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 94 states and 192 transitions.
[2023-12-02 23:21:28,670 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 192 transitions.
[2023-12-02 23:21:28,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 23:21:28,671 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:21:28,671 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:21:28,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:21:28,789 INFO  L262         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 23:21:28,792 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:21:39,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 600 backedges. 72 proven. 280 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked.
[2023-12-02 23:21:48,159 WARN  L293               SmtUtils]: Spent 6.79s on a formula simplification. DAG size of input: 264 DAG size of output: 260 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:22:02,320 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:22:02,325 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 97 states and 199 transitions.
[2023-12-02 23:22:02,326 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 199 transitions.
[2023-12-02 23:22:02,326 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 105
[2023-12-02 23:22:02,326 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:22:02,327 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:22:02,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:22:02,493 INFO  L262         TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 23:22:02,496 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:22:11,691 INFO  L134       CoverageAnalysis]: Checked inductivity of 600 backedges. 69 proven. 283 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked.
[2023-12-02 23:22:26,489 WARN  L293               SmtUtils]: Spent 12.97s on a formula simplification. DAG size of input: 300 DAG size of output: 277 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:22:32,599 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:22:32,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 98 states and 200 transitions.
[2023-12-02 23:22:32,599 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 200 transitions.
[2023-12-02 23:22:32,600 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-02 23:22:32,600 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:22:32,600 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:22:32,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:22:32,759 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-12-02 23:22:32,762 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:22:43,735 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 23:22:57,073 WARN  L293               SmtUtils]: Spent 11.09s on a formula simplification. DAG size of input: 309 DAG size of output: 306 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:23:05,029 WARN  L293               SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 307 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:23:11,962 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:23:11,963 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 101 states and 208 transitions.
[2023-12-02 23:23:11,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 208 transitions.
[2023-12-02 23:23:11,964 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2023-12-02 23:23:11,964 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:23:11,964 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:23:12,118 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:23:12,120 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 31 conjunts are in the unsatisfiable core
[2023-12-02 23:23:12,123 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:23:23,678 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 23:23:33,575 WARN  L293               SmtUtils]: Spent 8.14s on a formula simplification. DAG size of input: 292 DAG size of output: 289 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:23:40,550 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:23:40,551 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 102 states and 209 transitions.
[2023-12-02 23:23:40,551 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 209 transitions.
[2023-12-02 23:23:40,552 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2023-12-02 23:23:40,552 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:23:40,552 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:23:40,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:23:40,760 INFO  L262         TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 57 conjunts are in the unsatisfiable core
[2023-12-02 23:23:40,769 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:23:57,893 INFO  L134       CoverageAnalysis]: Checked inductivity of 797 backedges. 92 proven. 434 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2023-12-02 23:24:23,264 WARN  L293               SmtUtils]: Spent 9.77s on a formula simplification. DAG size of input: 328 DAG size of output: 323 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:24:30,872 WARN  L293               SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:24:38,861 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:24:38,862 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 110 states and 223 transitions.
[2023-12-02 23:24:38,862 INFO  L276                IsEmpty]: Start isEmpty. Operand 110 states and 223 transitions.
[2023-12-02 23:24:38,862 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2023-12-02 23:24:38,863 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:24:38,863 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:24:39,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:24:39,045 INFO  L262         TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 37 conjunts are in the unsatisfiable core
[2023-12-02 23:24:39,048 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:24:50,393 INFO  L134       CoverageAnalysis]: Checked inductivity of 797 backedges. 85 proven. 368 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked.
[2023-12-02 23:25:06,982 WARN  L293               SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 339 DAG size of output: 335 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:25:16,968 WARN  L293               SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 336 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:25:25,899 WARN  L293               SmtUtils]: Spent 5.48s on a formula simplification. DAG size of input: 417 DAG size of output: 389 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:25:30,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:25:30,684 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 113 states and 231 transitions.
[2023-12-02 23:25:30,684 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 231 transitions.
[2023-12-02 23:25:30,685 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2023-12-02 23:25:30,685 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:25:30,685 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:25:30,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:25:30,869 INFO  L262         TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 42 conjunts are in the unsatisfiable core
[2023-12-02 23:25:30,872 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:25:42,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 797 backedges. 117 proven. 366 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2023-12-02 23:25:54,549 WARN  L293               SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 347 DAG size of output: 319 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:26:01,889 WARN  L293               SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:26:02,255 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:26:02,255 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 114 states and 231 transitions.
[2023-12-02 23:26:02,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 231 transitions.
[2023-12-02 23:26:02,256 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-12-02 23:26:02,256 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:26:02,256 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:26:02,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:26:02,482 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 43 conjunts are in the unsatisfiable core
[2023-12-02 23:26:02,484 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:26:19,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 94 proven. 415 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked.
[2023-12-02 23:26:38,420 WARN  L293               SmtUtils]: Spent 12.87s on a formula simplification. DAG size of input: 355 DAG size of output: 352 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:26:47,138 WARN  L293               SmtUtils]: Spent 5.97s 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 23:26:56,503 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:26:56,504 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 118 states and 238 transitions.
[2023-12-02 23:26:56,504 INFO  L276                IsEmpty]: Start isEmpty. Operand 118 states and 238 transitions.
[2023-12-02 23:26:56,505 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-12-02 23:26:56,505 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:26:56,505 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:26:56,767 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:26:56,769 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 48 conjunts are in the unsatisfiable core
[2023-12-02 23:26:56,772 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:27:14,180 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 157 proven. 411 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2023-12-02 23:27:34,494 WARN  L293               SmtUtils]: Spent 17.35s on a formula simplification. DAG size of input: 368 DAG size of output: 362 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:27:46,692 WARN  L293               SmtUtils]: Spent 9.08s on a formula simplification that was a NOOP. DAG size: 363 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:27:57,396 WARN  L293               SmtUtils]: Spent 6.28s on a formula simplification. DAG size of input: 435 DAG size of output: 417 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:28:02,945 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:28:02,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 121 states and 246 transitions.
[2023-12-02 23:28:02,946 INFO  L276                IsEmpty]: Start isEmpty. Operand 121 states and 246 transitions.
[2023-12-02 23:28:02,946 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2023-12-02 23:28:02,946 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:28:02,947 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:28:03,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:28:03,187 INFO  L262         TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 33 conjunts are in the unsatisfiable core
[2023-12-02 23:28:03,191 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:28:19,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 906 backedges. 76 proven. 393 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked.
[2023-12-02 23:28:40,965 WARN  L293               SmtUtils]: Spent 19.83s on a formula simplification. DAG size of input: 376 DAG size of output: 346 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:28:49,683 WARN  L293               SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 347 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:28:50,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:28:50,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 122 states and 246 transitions.
[2023-12-02 23:28:50,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 122 states and 246 transitions.
[2023-12-02 23:28:50,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-12-02 23:28:50,042 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:28:50,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:28:50,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:28:50,212 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 44 conjunts are in the unsatisfiable core
[2023-12-02 23:28:50,215 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:29:08,427 INFO  L134       CoverageAnalysis]: Checked inductivity of 1022 backedges. 133 proven. 469 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-02 23:29:32,552 WARN  L293               SmtUtils]: Spent 20.85s on a formula simplification. DAG size of input: 392 DAG size of output: 390 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:29:46,546 WARN  L293               SmtUtils]: Spent 10.20s on a formula simplification that was a NOOP. DAG size: 391 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:29:57,755 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:29:57,756 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 125 states and 254 transitions.
[2023-12-02 23:29:57,756 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 254 transitions.
[2023-12-02 23:29:57,757 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 133
[2023-12-02 23:29:57,757 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:29:57,757 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:29:57,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:29:57,908 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 44 conjunts are in the unsatisfiable core
[2023-12-02 23:29:57,911 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:30:16,468 INFO  L134       CoverageAnalysis]: Checked inductivity of 1022 backedges. 103 proven. 499 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked.
[2023-12-02 23:30:34,080 WARN  L293               SmtUtils]: Spent 14.93s on a formula simplification. DAG size of input: 376 DAG size of output: 374 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:30:44,963 WARN  L293               SmtUtils]: Spent 7.34s on a formula simplification that was a NOOP. DAG size: 375 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:30:45,496 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:30:45,496 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 126 states and 255 transitions.
[2023-12-02 23:30:45,497 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 255 transitions.
[2023-12-02 23:30:45,497 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2023-12-02 23:30:45,497 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:30:45,497 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:30:45,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:30:45,762 INFO  L262         TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 40 conjunts are in the unsatisfiable core
[2023-12-02 23:30:45,765 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 23:31:07,324 INFO  L134       CoverageAnalysis]: Checked inductivity of 1145 backedges. 127 proven. 500 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked.
[2023-12-02 23:31:34,414 WARN  L293               SmtUtils]: Spent 23.32s on a formula simplification. DAG size of input: 426 DAG size of output: 424 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:31:50,183 WARN  L293               SmtUtils]: Spent 11.60s on a formula simplification that was a NOOP. DAG size: 425 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-12-02 23:32:01,870 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2023-12-02 23:32:01,871 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 129 states and 263 transitions.
[2023-12-02 23:32:01,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 129 states and 263 transitions.
[2023-12-02 23:32:01,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2023-12-02 23:32:01,872 INFO  L423      CodeCheckObserver]: Error Path is FOUND.
[2023-12-02 23:32:01,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 23:32:02,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 23:32:02,179 INFO  L262         TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 35 conjunts are in the unsatisfiable core
[2023-12-02 23:32:02,182 INFO  L285         TraceCheckSpWp]: Computing forward predicates...