./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39feee77bf576ea852c42114836a4ed3182237f56346991038306ebcfd74e257
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 21:00:08,587 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 21:00:08,589 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 21:00:08,634 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 21:00:08,635 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 21:00:08,639 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 21:00:08,641 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 21:00:08,645 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 21:00:08,650 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 21:00:08,655 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 21:00:08,656 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 21:00:08,659 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 21:00:08,659 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 21:00:08,662 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 21:00:08,664 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 21:00:08,665 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 21:00:08,667 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 21:00:08,667 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 21:00:08,669 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 21:00:08,676 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 21:00:08,678 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 21:00:08,679 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 21:00:08,682 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 21:00:08,683 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 21:00:08,691 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 21:00:08,692 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 21:00:08,692 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 21:00:08,694 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 21:00:08,694 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 21:00:08,695 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 21:00:08,696 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 21:00:08,698 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 21:00:08,699 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 21:00:08,702 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 21:00:08,703 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 21:00:08,703 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 21:00:08,704 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 21:00:08,704 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 21:00:08,705 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 21:00:08,706 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 21:00:08,706 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 21:00:08,707 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 21:00:08,744 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 21:00:08,749 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 21:00:08,750 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 21:00:08,750 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 21:00:08,751 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 21:00:08,751 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 21:00:08,752 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 21:00:08,752 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 21:00:08,753 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 21:00:08,753 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 21:00:08,754 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 21:00:08,754 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 21:00:08,755 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 21:00:08,755 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 21:00:08,755 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 21:00:08,755 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 21:00:08,755 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 21:00:08,756 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 21:00:08,756 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 21:00:08,756 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 21:00:08,756 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 21:00:08,757 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 21:00:08,757 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 21:00:08,757 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 21:00:08,757 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:00:08,758 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 21:00:08,758 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 21:00:08,758 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 21:00:08,759 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 21:00:08,759 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 21:00:08,759 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 21:00:08,759 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 21:00:08,760 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 21:00:08,760 INFO  L138        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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39feee77bf576ea852c42114836a4ed3182237f56346991038306ebcfd74e257
[2022-11-02 21:00:09,039 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 21:00:09,066 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 21:00:09,070 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 21:00:09,072 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 21:00:09,073 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 21:00:09,074 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2022-11-02 21:00:09,169 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/data/1eedd8f94/6017d07d8a1c413bb70f1dffae779439/FLAG8216ad8a7
[2022-11-02 21:00:09,751 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 21:00:09,751 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c
[2022-11-02 21:00:09,775 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/data/1eedd8f94/6017d07d8a1c413bb70f1dffae779439/FLAG8216ad8a7
[2022-11-02 21:00:10,162 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/data/1eedd8f94/6017d07d8a1c413bb70f1dffae779439
[2022-11-02 21:00:10,165 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 21:00:10,167 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 21:00:10,173 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 21:00:10,173 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 21:00:10,176 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 21:00:10,177 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,178 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f648e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10, skipping insertion in model container
[2022-11-02 21:00:10,179 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,185 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 21:00:10,223 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 21:00:10,436 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932]
[2022-11-02 21:00:10,447 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147]
[2022-11-02 21:00:10,465 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221]
[2022-11-02 21:00:10,468 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436]
[2022-11-02 21:00:10,473 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931]
[2022-11-02 21:00:10,476 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146]
[2022-11-02 21:00:10,482 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448]
[2022-11-02 21:00:10,485 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666]
[2022-11-02 21:00:10,488 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942]
[2022-11-02 21:00:10,491 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160]
[2022-11-02 21:00:10,498 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730]
[2022-11-02 21:00:10,500 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948]
[2022-11-02 21:00:10,579 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841]
[2022-11-02 21:00:10,589 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059]
[2022-11-02 21:00:10,593 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454]
[2022-11-02 21:00:10,595 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672]
[2022-11-02 21:00:10,606 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:00:10,622 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 21:00:10,644 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[919,932]
[2022-11-02 21:00:10,647 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[1134,1147]
[2022-11-02 21:00:10,660 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2208,2221]
[2022-11-02 21:00:10,662 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2423,2436]
[2022-11-02 21:00:10,665 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[2918,2931]
[2022-11-02 21:00:10,672 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3133,3146]
[2022-11-02 21:00:10,674 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3435,3448]
[2022-11-02 21:00:10,677 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3653,3666]
[2022-11-02 21:00:10,679 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[3929,3942]
[2022-11-02 21:00:10,682 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4147,4160]
[2022-11-02 21:00:10,684 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4717,4730]
[2022-11-02 21:00:10,688 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[4935,4948]
[2022-11-02 21:00:10,736 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[15828,15841]
[2022-11-02 21:00:10,743 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16046,16059]
[2022-11-02 21:00:10,747 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16441,16454]
[2022-11-02 21:00:10,750 WARN  L230   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_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/sv-benchmarks/c/loop-invgen/apache-get-tag.i.p+lhb-reducer.c[16659,16672]
[2022-11-02 21:00:10,755 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 21:00:10,773 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 21:00:10,774 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10 WrapperNode
[2022-11-02 21:00:10,774 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 21:00:10,775 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 21:00:10,775 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 21:00:10,776 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 21:00:10,783 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,803 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,861 INFO  L138                Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 590
[2022-11-02 21:00:10,861 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 21:00:10,862 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 21:00:10,862 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 21:00:10,862 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 21:00:10,881 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,881 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,891 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,892 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,899 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,903 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,905 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,907 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,910 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 21:00:10,911 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 21:00:10,911 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 21:00:10,911 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 21:00:10,912 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (1/1) ...
[2022-11-02 21:00:10,919 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 21:00:10,930 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 21:00:10,947 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 21:00:10,977 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 21:00:10,993 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 21:00:10,993 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 21:00:10,993 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 21:00:10,994 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 21:00:11,152 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 21:00:11,154 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 21:00:11,716 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 21:00:11,724 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 21:00:11,725 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 21:00:11,727 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:11 BoogieIcfgContainer
[2022-11-02 21:00:11,727 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 21:00:11,730 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 21:00:11,730 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 21:00:11,734 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 21:00:11,735 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:00:10" (1/3) ...
[2022-11-02 21:00:11,735 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8296f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:00:11, skipping insertion in model container
[2022-11-02 21:00:11,736 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:00:10" (2/3) ...
[2022-11-02 21:00:11,736 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b8296f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:00:11, skipping insertion in model container
[2022-11-02 21:00:11,736 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:11" (3/3) ...
[2022-11-02 21:00:11,738 INFO  L112   eAbstractionObserver]: Analyzing ICFG apache-get-tag.i.p+lhb-reducer.c
[2022-11-02 21:00:11,761 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 21:00:11,761 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2022-11-02 21:00:11,818 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 21:00:11,825 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77e877a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 21:00:11,825 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 16 error locations.
[2022-11-02 21:00:11,830 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 120 states, 103 states have (on average 1.912621359223301) internal successors, (197), 119 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:11,837 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2022-11-02 21:00:11,837 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:11,838 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:11,838 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:11,844 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:11,846 INFO  L85        PathProgramCache]: Analyzing trace with hash 1804934597, now seen corresponding path program 1 times
[2022-11-02 21:00:11,855 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:11,856 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527069489]
[2022-11-02 21:00:11,856 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:11,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:11,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:12,130 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:12,130 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:12,131 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527069489]
[2022-11-02 21:00:12,131 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527069489] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:12,131 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:12,132 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 21:00:12,133 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385390268]
[2022-11-02 21:00:12,134 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:12,139 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:00:12,139 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:12,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:00:12,170 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:00:12,173 INFO  L87              Difference]: Start difference. First operand  has 120 states, 103 states have (on average 1.912621359223301) internal successors, (197), 119 states have internal predecessors, (197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:12,478 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:12,478 INFO  L93              Difference]: Finished difference Result 131 states and 205 transitions.
[2022-11-02 21:00:12,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:12,481 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2022-11-02 21:00:12,481 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:12,491 INFO  L225             Difference]: With dead ends: 131
[2022-11-02 21:00:12,491 INFO  L226             Difference]: Without dead ends: 114
[2022-11-02 21:00:12,494 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:12,497 INFO  L413           NwaCegarLoop]: 88 mSDtfsCounter, 160 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:12,498 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 175 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2022-11-02 21:00:12,514 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2022-11-02 21:00:12,530 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114.
[2022-11-02 21:00:12,532 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114 states, 99 states have (on average 1.3636363636363635) internal successors, (135), 113 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:12,534 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 135 transitions.
[2022-11-02 21:00:12,535 INFO  L78                 Accepts]: Start accepts. Automaton has 114 states and 135 transitions. Word has length 7
[2022-11-02 21:00:12,535 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:12,535 INFO  L495      AbstractCegarLoop]: Abstraction has 114 states and 135 transitions.
[2022-11-02 21:00:12,536 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:12,536 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 135 transitions.
[2022-11-02 21:00:12,536 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 21:00:12,536 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:12,537 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:12,537 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 21:00:12,537 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:12,538 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:12,538 INFO  L85        PathProgramCache]: Analyzing trace with hash 118401710, now seen corresponding path program 1 times
[2022-11-02 21:00:12,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:12,538 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546112921]
[2022-11-02 21:00:12,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:12,539 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:12,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:12,713 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:12,713 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:12,713 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546112921]
[2022-11-02 21:00:12,713 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546112921] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:12,714 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:12,714 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 21:00:12,714 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314561287]
[2022-11-02 21:00:12,714 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:12,716 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:00:12,716 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:12,716 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:00:12,717 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:12,717 INFO  L87              Difference]: Start difference. First operand 114 states and 135 transitions. Second operand  has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:12,913 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:12,920 INFO  L93              Difference]: Finished difference Result 114 states and 135 transitions.
[2022-11-02 21:00:12,920 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:12,921 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2022-11-02 21:00:12,921 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:12,925 INFO  L225             Difference]: With dead ends: 114
[2022-11-02 21:00:12,925 INFO  L226             Difference]: Without dead ends: 109
[2022-11-02 21:00:12,926 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:12,928 INFO  L413           NwaCegarLoop]: 121 mSDtfsCounter, 34 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:12,931 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 268 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:12,932 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2022-11-02 21:00:12,937 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2022-11-02 21:00:12,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 95 states have (on average 1.2736842105263158) internal successors, (121), 108 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:12,939 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions.
[2022-11-02 21:00:12,939 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 8
[2022-11-02 21:00:12,939 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:12,939 INFO  L495      AbstractCegarLoop]: Abstraction has 109 states and 121 transitions.
[2022-11-02 21:00:12,939 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:12,940 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions.
[2022-11-02 21:00:12,940 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 21:00:12,940 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:12,940 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:12,940 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 21:00:12,944 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:12,946 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:12,946 INFO  L85        PathProgramCache]: Analyzing trace with hash -639549266, now seen corresponding path program 1 times
[2022-11-02 21:00:12,947 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:12,947 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477225301]
[2022-11-02 21:00:12,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:12,948 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:12,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:13,127 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:13,128 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:13,128 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477225301]
[2022-11-02 21:00:13,128 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477225301] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:13,128 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:13,128 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 21:00:13,129 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716474032]
[2022-11-02 21:00:13,129 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:13,129 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:00:13,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:13,130 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:00:13,130 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:13,130 INFO  L87              Difference]: Start difference. First operand 109 states and 121 transitions. Second operand  has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:13,404 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:13,404 INFO  L93              Difference]: Finished difference Result 109 states and 121 transitions.
[2022-11-02 21:00:13,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:13,405 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2022-11-02 21:00:13,405 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:13,407 INFO  L225             Difference]: With dead ends: 109
[2022-11-02 21:00:13,408 INFO  L226             Difference]: Without dead ends: 107
[2022-11-02 21:00:13,408 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:13,409 INFO  L413           NwaCegarLoop]: 35 mSDtfsCounter, 93 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:13,410 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 101 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:13,410 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2022-11-02 21:00:13,415 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107.
[2022-11-02 21:00:13,415 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 94 states have (on average 1.2659574468085106) internal successors, (119), 106 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:13,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 119 transitions.
[2022-11-02 21:00:13,421 INFO  L78                 Accepts]: Start accepts. Automaton has 107 states and 119 transitions. Word has length 11
[2022-11-02 21:00:13,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:13,421 INFO  L495      AbstractCegarLoop]: Abstraction has 107 states and 119 transitions.
[2022-11-02 21:00:13,423 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:13,423 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 119 transitions.
[2022-11-02 21:00:13,423 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2022-11-02 21:00:13,423 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:13,424 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:13,424 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2022-11-02 21:00:13,424 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:13,428 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:13,428 INFO  L85        PathProgramCache]: Analyzing trace with hash 1648813321, now seen corresponding path program 1 times
[2022-11-02 21:00:13,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:13,432 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687457024]
[2022-11-02 21:00:13,432 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:13,433 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:13,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:13,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:13,570 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:13,571 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687457024]
[2022-11-02 21:00:13,571 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687457024] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:13,571 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:13,571 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 21:00:13,571 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10741809]
[2022-11-02 21:00:13,572 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:13,572 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:00:13,572 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:13,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:00:13,573 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:00:13,573 INFO  L87              Difference]: Start difference. First operand 107 states and 119 transitions. Second operand  has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:13,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:13,722 INFO  L93              Difference]: Finished difference Result 107 states and 119 transitions.
[2022-11-02 21:00:13,722 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:13,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2022-11-02 21:00:13,723 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:13,727 INFO  L225             Difference]: With dead ends: 107
[2022-11-02 21:00:13,727 INFO  L226             Difference]: Without dead ends: 103
[2022-11-02 21:00:13,727 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:13,732 INFO  L413           NwaCegarLoop]: 108 mSDtfsCounter, 11 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:13,734 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 242 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:13,735 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2022-11-02 21:00:13,740 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103.
[2022-11-02 21:00:13,740 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103 states, 91 states have (on average 1.2637362637362637) internal successors, (115), 102 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:13,742 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 115 transitions.
[2022-11-02 21:00:13,742 INFO  L78                 Accepts]: Start accepts. Automaton has 103 states and 115 transitions. Word has length 12
[2022-11-02 21:00:13,742 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:13,742 INFO  L495      AbstractCegarLoop]: Abstraction has 103 states and 115 transitions.
[2022-11-02 21:00:13,742 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:13,743 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 115 transitions.
[2022-11-02 21:00:13,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-02 21:00:13,743 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:13,743 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:13,743 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2022-11-02 21:00:13,744 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:13,744 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:13,744 INFO  L85        PathProgramCache]: Analyzing trace with hash -411248735, now seen corresponding path program 1 times
[2022-11-02 21:00:13,745 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:13,752 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971798363]
[2022-11-02 21:00:13,753 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:13,753 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:13,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:13,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:13,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:13,831 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971798363]
[2022-11-02 21:00:13,832 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971798363] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:13,832 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:13,832 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 21:00:13,832 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59515741]
[2022-11-02 21:00:13,832 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:13,833 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:00:13,833 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:13,833 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:00:13,834 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:13,834 INFO  L87              Difference]: Start difference. First operand 103 states and 115 transitions. Second operand  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,056 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:14,056 INFO  L93              Difference]: Finished difference Result 121 states and 135 transitions.
[2022-11-02 21:00:14,056 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:14,057 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2022-11-02 21:00:14,057 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:14,057 INFO  L225             Difference]: With dead ends: 121
[2022-11-02 21:00:14,057 INFO  L226             Difference]: Without dead ends: 119
[2022-11-02 21:00:14,058 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:14,058 INFO  L413           NwaCegarLoop]: 44 mSDtfsCounter, 110 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:14,059 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 111 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:14,060 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2022-11-02 21:00:14,064 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 101.
[2022-11-02 21:00:14,065 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 100 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,066 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 113 transitions.
[2022-11-02 21:00:14,066 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 113 transitions. Word has length 13
[2022-11-02 21:00:14,066 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:14,066 INFO  L495      AbstractCegarLoop]: Abstraction has 101 states and 113 transitions.
[2022-11-02 21:00:14,067 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,067 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions.
[2022-11-02 21:00:14,067 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-02 21:00:14,068 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:14,068 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:14,068 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2022-11-02 21:00:14,068 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:14,069 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:14,069 INFO  L85        PathProgramCache]: Analyzing trace with hash -409524831, now seen corresponding path program 1 times
[2022-11-02 21:00:14,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:14,069 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252917042]
[2022-11-02 21:00:14,069 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:14,070 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:14,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:14,136 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:14,137 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:14,137 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252917042]
[2022-11-02 21:00:14,137 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252917042] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:14,137 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:14,137 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 21:00:14,138 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755133410]
[2022-11-02 21:00:14,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:14,138 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:00:14,138 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:14,139 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:00:14,139 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:14,139 INFO  L87              Difference]: Start difference. First operand 101 states and 113 transitions. Second operand  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,322 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:14,322 INFO  L93              Difference]: Finished difference Result 101 states and 113 transitions.
[2022-11-02 21:00:14,323 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:14,323 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2022-11-02 21:00:14,323 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:14,324 INFO  L225             Difference]: With dead ends: 101
[2022-11-02 21:00:14,324 INFO  L226             Difference]: Without dead ends: 99
[2022-11-02 21:00:14,324 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:14,325 INFO  L413           NwaCegarLoop]: 29 mSDtfsCounter, 83 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:14,325 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 83 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:14,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2022-11-02 21:00:14,330 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99.
[2022-11-02 21:00:14,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 99 states, 89 states have (on average 1.247191011235955) internal successors, (111), 98 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,332 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 111 transitions.
[2022-11-02 21:00:14,332 INFO  L78                 Accepts]: Start accepts. Automaton has 99 states and 111 transitions. Word has length 13
[2022-11-02 21:00:14,332 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:14,332 INFO  L495      AbstractCegarLoop]: Abstraction has 99 states and 111 transitions.
[2022-11-02 21:00:14,332 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 99 states and 111 transitions.
[2022-11-02 21:00:14,333 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-02 21:00:14,333 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:14,334 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:14,334 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2022-11-02 21:00:14,334 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:14,335 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:14,335 INFO  L85        PathProgramCache]: Analyzing trace with hash 136195212, now seen corresponding path program 1 times
[2022-11-02 21:00:14,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:14,335 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768852179]
[2022-11-02 21:00:14,335 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:14,336 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:14,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:14,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:14,499 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:14,499 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768852179]
[2022-11-02 21:00:14,499 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768852179] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:14,500 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:14,500 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:00:14,500 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574159462]
[2022-11-02 21:00:14,500 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:14,500 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:00:14,501 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:14,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:00:14,501 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:14,502 INFO  L87              Difference]: Start difference. First operand 99 states and 111 transitions. Second operand  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,758 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:14,758 INFO  L93              Difference]: Finished difference Result 136 states and 152 transitions.
[2022-11-02 21:00:14,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-02 21:00:14,759 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-11-02 21:00:14,759 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:14,760 INFO  L225             Difference]: With dead ends: 136
[2022-11-02 21:00:14,760 INFO  L226             Difference]: Without dead ends: 134
[2022-11-02 21:00:14,760 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:00:14,761 INFO  L413           NwaCegarLoop]: 107 mSDtfsCounter, 51 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:14,761 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 296 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:14,762 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 134 states.
[2022-11-02 21:00:14,768 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 105.
[2022-11-02 21:00:14,768 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 95 states have (on average 1.2526315789473683) internal successors, (119), 104 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,769 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions.
[2022-11-02 21:00:14,770 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 14
[2022-11-02 21:00:14,770 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:14,770 INFO  L495      AbstractCegarLoop]: Abstraction has 105 states and 119 transitions.
[2022-11-02 21:00:14,770 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:14,771 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions.
[2022-11-02 21:00:14,771 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-02 21:00:14,771 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:14,771 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:14,772 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2022-11-02 21:00:14,772 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:14,773 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:14,773 INFO  L85        PathProgramCache]: Analyzing trace with hash 137742357, now seen corresponding path program 1 times
[2022-11-02 21:00:14,773 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:14,773 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752728042]
[2022-11-02 21:00:14,774 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:14,774 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:14,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:14,849 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:14,850 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:14,850 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752728042]
[2022-11-02 21:00:14,850 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752728042] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:14,850 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:14,850 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 21:00:14,851 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372746797]
[2022-11-02 21:00:14,851 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:14,851 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 21:00:14,851 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:14,852 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 21:00:14,852 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:14,852 INFO  L87              Difference]: Start difference. First operand 105 states and 119 transitions. Second operand  has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,059 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:15,059 INFO  L93              Difference]: Finished difference Result 126 states and 142 transitions.
[2022-11-02 21:00:15,059 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:15,059 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-11-02 21:00:15,060 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:15,060 INFO  L225             Difference]: With dead ends: 126
[2022-11-02 21:00:15,060 INFO  L226             Difference]: Without dead ends: 124
[2022-11-02 21:00:15,061 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:15,061 INFO  L413           NwaCegarLoop]: 40 mSDtfsCounter, 101 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:15,061 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 103 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:15,062 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2022-11-02 21:00:15,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 103.
[2022-11-02 21:00:15,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103 states, 94 states have (on average 1.2446808510638299) internal successors, (117), 102 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,067 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 117 transitions.
[2022-11-02 21:00:15,067 INFO  L78                 Accepts]: Start accepts. Automaton has 103 states and 117 transitions. Word has length 14
[2022-11-02 21:00:15,067 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:15,068 INFO  L495      AbstractCegarLoop]: Abstraction has 103 states and 117 transitions.
[2022-11-02 21:00:15,068 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions.
[2022-11-02 21:00:15,068 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-02 21:00:15,069 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:15,069 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:15,069 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 21:00:15,069 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:15,070 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:15,070 INFO  L85        PathProgramCache]: Analyzing trace with hash 189636292, now seen corresponding path program 1 times
[2022-11-02 21:00:15,070 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:15,070 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29597549]
[2022-11-02 21:00:15,070 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:15,071 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:15,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:15,213 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:15,214 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:15,214 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29597549]
[2022-11-02 21:00:15,214 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29597549] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:15,214 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:15,214 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:00:15,214 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125542403]
[2022-11-02 21:00:15,215 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:15,215 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:00:15,215 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:15,216 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:00:15,216 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:15,216 INFO  L87              Difference]: Start difference. First operand 103 states and 117 transitions. Second operand  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,433 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:15,433 INFO  L93              Difference]: Finished difference Result 113 states and 127 transitions.
[2022-11-02 21:00:15,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 21:00:15,434 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2022-11-02 21:00:15,434 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:15,435 INFO  L225             Difference]: With dead ends: 113
[2022-11-02 21:00:15,435 INFO  L226             Difference]: Without dead ends: 109
[2022-11-02 21:00:15,435 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:00:15,436 INFO  L413           NwaCegarLoop]: 86 mSDtfsCounter, 22 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:15,436 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 245 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:15,437 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2022-11-02 21:00:15,440 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 104.
[2022-11-02 21:00:15,440 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 103 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,440 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 118 transitions.
[2022-11-02 21:00:15,441 INFO  L78                 Accepts]: Start accepts. Automaton has 104 states and 118 transitions. Word has length 14
[2022-11-02 21:00:15,442 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:15,442 INFO  L495      AbstractCegarLoop]: Abstraction has 104 states and 118 transitions.
[2022-11-02 21:00:15,442 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 118 transitions.
[2022-11-02 21:00:15,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-11-02 21:00:15,444 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:15,444 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:15,444 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 21:00:15,444 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:15,446 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:15,446 INFO  L85        PathProgramCache]: Analyzing trace with hash -24950085, now seen corresponding path program 1 times
[2022-11-02 21:00:15,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:15,446 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678080193]
[2022-11-02 21:00:15,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:15,447 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:15,463 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:15,639 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:15,640 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:15,640 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678080193]
[2022-11-02 21:00:15,640 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678080193] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:15,640 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:15,640 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:00:15,641 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894739299]
[2022-11-02 21:00:15,641 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:15,641 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:00:15,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:15,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:00:15,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:15,642 INFO  L87              Difference]: Start difference. First operand 104 states and 118 transitions. Second operand  has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,838 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:15,838 INFO  L93              Difference]: Finished difference Result 131 states and 147 transitions.
[2022-11-02 21:00:15,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2022-11-02 21:00:15,839 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-11-02 21:00:15,839 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:15,840 INFO  L225             Difference]: With dead ends: 131
[2022-11-02 21:00:15,840 INFO  L226             Difference]: Without dead ends: 129
[2022-11-02 21:00:15,840 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:00:15,841 INFO  L413           NwaCegarLoop]: 112 mSDtfsCounter, 42 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:15,841 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 274 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:15,842 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2022-11-02 21:00:15,845 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 107.
[2022-11-02 21:00:15,845 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 107 states, 98 states have (on average 1.2346938775510203) internal successors, (121), 106 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,846 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions.
[2022-11-02 21:00:15,846 INFO  L78                 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 15
[2022-11-02 21:00:15,846 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:15,846 INFO  L495      AbstractCegarLoop]: Abstraction has 107 states and 121 transitions.
[2022-11-02 21:00:15,847 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,847 INFO  L276                IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions.
[2022-11-02 21:00:15,847 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-11-02 21:00:15,847 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:15,847 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:15,848 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2022-11-02 21:00:15,848 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:15,849 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:15,849 INFO  L85        PathProgramCache]: Analyzing trace with hash 2034707599, now seen corresponding path program 1 times
[2022-11-02 21:00:15,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:15,849 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091029627]
[2022-11-02 21:00:15,849 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:15,850 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:15,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:15,900 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:15,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:15,901 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091029627]
[2022-11-02 21:00:15,901 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091029627] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:15,901 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:15,902 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 21:00:15,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382237794]
[2022-11-02 21:00:15,902 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:15,902 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:00:15,902 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:15,903 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:00:15,903 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:00:15,903 INFO  L87              Difference]: Start difference. First operand 107 states and 121 transitions. Second operand  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,967 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:15,967 INFO  L93              Difference]: Finished difference Result 107 states and 121 transitions.
[2022-11-02 21:00:15,968 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:15,968 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2022-11-02 21:00:15,968 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:15,969 INFO  L225             Difference]: With dead ends: 107
[2022-11-02 21:00:15,969 INFO  L226             Difference]: Without dead ends: 105
[2022-11-02 21:00:15,969 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:15,970 INFO  L413           NwaCegarLoop]: 70 mSDtfsCounter, 97 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:15,970 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 138 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:15,971 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2022-11-02 21:00:15,974 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105.
[2022-11-02 21:00:15,974 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 105 states, 97 states have (on average 1.2268041237113403) internal successors, (119), 104 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,975 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions.
[2022-11-02 21:00:15,975 INFO  L78                 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 16
[2022-11-02 21:00:15,975 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:15,975 INFO  L495      AbstractCegarLoop]: Abstraction has 105 states and 119 transitions.
[2022-11-02 21:00:15,976 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:15,976 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions.
[2022-11-02 21:00:15,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2022-11-02 21:00:15,984 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:15,984 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:15,985 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 21:00:15,985 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:15,985 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:15,985 INFO  L85        PathProgramCache]: Analyzing trace with hash -1348569745, now seen corresponding path program 1 times
[2022-11-02 21:00:15,986 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:15,986 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970838708]
[2022-11-02 21:00:15,986 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:15,986 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:15,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:16,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:16,073 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:16,073 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970838708]
[2022-11-02 21:00:16,073 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970838708] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:16,073 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:16,074 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 21:00:16,074 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155308385]
[2022-11-02 21:00:16,074 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:16,074 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 21:00:16,074 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:16,075 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 21:00:16,075 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 21:00:16,075 INFO  L87              Difference]: Start difference. First operand 105 states and 119 transitions. Second operand  has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,169 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:16,170 INFO  L93              Difference]: Finished difference Result 105 states and 119 transitions.
[2022-11-02 21:00:16,170 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 21:00:16,170 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17
[2022-11-02 21:00:16,172 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:16,173 INFO  L225             Difference]: With dead ends: 105
[2022-11-02 21:00:16,173 INFO  L226             Difference]: Without dead ends: 101
[2022-11-02 21:00:16,173 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 21:00:16,174 INFO  L413           NwaCegarLoop]: 97 mSDtfsCounter, 6 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:16,174 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 214 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:16,175 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2022-11-02 21:00:16,177 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101.
[2022-11-02 21:00:16,178 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 101 states, 94 states have (on average 1.2234042553191489) internal successors, (115), 100 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,178 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions.
[2022-11-02 21:00:16,179 INFO  L78                 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 17
[2022-11-02 21:00:16,179 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:16,179 INFO  L495      AbstractCegarLoop]: Abstraction has 101 states and 115 transitions.
[2022-11-02 21:00:16,179 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,179 INFO  L276                IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions.
[2022-11-02 21:00:16,181 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-02 21:00:16,181 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:16,181 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:16,181 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-02 21:00:16,182 INFO  L420      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:16,182 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:16,182 INFO  L85        PathProgramCache]: Analyzing trace with hash 1418456853, now seen corresponding path program 1 times
[2022-11-02 21:00:16,182 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:16,182 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726271474]
[2022-11-02 21:00:16,183 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:16,183 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:16,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:16,314 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:16,314 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:16,315 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726271474]
[2022-11-02 21:00:16,315 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726271474] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:16,315 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:16,315 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:00:16,315 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133542939]
[2022-11-02 21:00:16,316 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:16,316 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:00:16,316 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:16,316 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:00:16,317 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:16,317 INFO  L87              Difference]: Start difference. First operand 101 states and 115 transitions. Second operand  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,557 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:16,558 INFO  L93              Difference]: Finished difference Result 116 states and 132 transitions.
[2022-11-02 21:00:16,558 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 21:00:16,558 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-11-02 21:00:16,558 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:16,559 INFO  L225             Difference]: With dead ends: 116
[2022-11-02 21:00:16,559 INFO  L226             Difference]: Without dead ends: 114
[2022-11-02 21:00:16,559 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-11-02 21:00:16,560 INFO  L413           NwaCegarLoop]: 28 mSDtfsCounter, 154 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:16,560 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 57 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:16,561 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2022-11-02 21:00:16,564 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 97.
[2022-11-02 21:00:16,564 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 91 states have (on average 1.2197802197802199) internal successors, (111), 96 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,565 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 111 transitions.
[2022-11-02 21:00:16,566 INFO  L78                 Accepts]: Start accepts. Automaton has 97 states and 111 transitions. Word has length 18
[2022-11-02 21:00:16,566 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:16,566 INFO  L495      AbstractCegarLoop]: Abstraction has 97 states and 111 transitions.
[2022-11-02 21:00:16,566 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,566 INFO  L276                IsEmpty]: Start isEmpty. Operand 97 states and 111 transitions.
[2022-11-02 21:00:16,567 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-02 21:00:16,567 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:16,567 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:16,567 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2022-11-02 21:00:16,568 INFO  L420      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:16,568 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:16,568 INFO  L85        PathProgramCache]: Analyzing trace with hash 1471897933, now seen corresponding path program 1 times
[2022-11-02 21:00:16,568 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:16,568 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930182323]
[2022-11-02 21:00:16,569 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:16,569 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:16,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:16,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:16,721 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:16,721 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930182323]
[2022-11-02 21:00:16,721 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930182323] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:16,721 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:16,721 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:00:16,721 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279300939]
[2022-11-02 21:00:16,722 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:16,722 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:00:16,722 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:16,723 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:00:16,723 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:16,723 INFO  L87              Difference]: Start difference. First operand 97 states and 111 transitions. Second operand  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:16,939 INFO  L93              Difference]: Finished difference Result 97 states and 111 transitions.
[2022-11-02 21:00:16,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:16,940 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-11-02 21:00:16,940 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:16,941 INFO  L225             Difference]: With dead ends: 97
[2022-11-02 21:00:16,941 INFO  L226             Difference]: Without dead ends: 93
[2022-11-02 21:00:16,941 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-11-02 21:00:16,942 INFO  L413           NwaCegarLoop]: 19 mSDtfsCounter, 130 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:16,942 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 44 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:16,942 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2022-11-02 21:00:16,945 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2022-11-02 21:00:16,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 92 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,946 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions.
[2022-11-02 21:00:16,946 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 18
[2022-11-02 21:00:16,946 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:16,947 INFO  L495      AbstractCegarLoop]: Abstraction has 93 states and 107 transitions.
[2022-11-02 21:00:16,947 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:16,947 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions.
[2022-11-02 21:00:16,947 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-02 21:00:16,947 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:16,947 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:16,947 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2022-11-02 21:00:16,948 INFO  L420      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:16,948 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:16,948 INFO  L85        PathProgramCache]: Analyzing trace with hash 1159129958, now seen corresponding path program 1 times
[2022-11-02 21:00:16,948 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:16,948 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34544959]
[2022-11-02 21:00:16,948 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:16,949 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:16,963 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:17,043 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:17,043 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:17,044 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34544959]
[2022-11-02 21:00:17,044 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34544959] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:17,044 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:17,044 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 21:00:17,044 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599197506]
[2022-11-02 21:00:17,045 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:17,045 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-11-02 21:00:17,045 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:17,045 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 21:00:17,046 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 21:00:17,046 INFO  L87              Difference]: Start difference. First operand 93 states and 107 transitions. Second operand  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:17,256 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:17,257 INFO  L93              Difference]: Finished difference Result 103 states and 119 transitions.
[2022-11-02 21:00:17,257 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 21:00:17,257 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2022-11-02 21:00:17,258 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:17,258 INFO  L225             Difference]: With dead ends: 103
[2022-11-02 21:00:17,258 INFO  L226             Difference]: Without dead ends: 54
[2022-11-02 21:00:17,259 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-11-02 21:00:17,259 INFO  L413           NwaCegarLoop]: 22 mSDtfsCounter, 134 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:17,259 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 47 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2022-11-02 21:00:17,260 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2022-11-02 21:00:17,261 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2022-11-02 21:00:17,262 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 50 states have (on average 1.08) internal successors, (54), 53 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:17,262 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions.
[2022-11-02 21:00:17,262 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 18
[2022-11-02 21:00:17,262 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:17,262 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 54 transitions.
[2022-11-02 21:00:17,262 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:17,263 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions.
[2022-11-02 21:00:17,263 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2022-11-02 21:00:17,263 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:17,263 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:17,263 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2022-11-02 21:00:17,264 INFO  L420      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:17,264 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:17,264 INFO  L85        PathProgramCache]: Analyzing trace with hash 892497877, now seen corresponding path program 1 times
[2022-11-02 21:00:17,264 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:17,264 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876257464]
[2022-11-02 21:00:17,264 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:17,264 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:17,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:17,548 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:17,548 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:17,548 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876257464]
[2022-11-02 21:00:17,550 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876257464] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:17,550 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:17,551 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2022-11-02 21:00:17,551 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669569564]
[2022-11-02 21:00:17,551 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:17,551 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-11-02 21:00:17,551 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:17,552 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-11-02 21:00:17,552 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156
[2022-11-02 21:00:17,552 INFO  L87              Difference]: Start difference. First operand 54 states and 54 transitions. Second operand  has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:17,683 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:17,683 INFO  L93              Difference]: Finished difference Result 54 states and 54 transitions.
[2022-11-02 21:00:17,684 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-11-02 21:00:17,684 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44
[2022-11-02 21:00:17,684 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:17,685 INFO  L225             Difference]: With dead ends: 54
[2022-11-02 21:00:17,685 INFO  L226             Difference]: Without dead ends: 52
[2022-11-02 21:00:17,685 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2022-11-02 21:00:17,686 INFO  L413           NwaCegarLoop]: 10 mSDtfsCounter, 61 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:17,686 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 29 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:17,688 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2022-11-02 21:00:17,688 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2022-11-02 21:00:17,689 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 49 states have (on average 1.0612244897959184) internal successors, (52), 51 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:17,689 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions.
[2022-11-02 21:00:17,690 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 44
[2022-11-02 21:00:17,690 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:17,690 INFO  L495      AbstractCegarLoop]: Abstraction has 52 states and 52 transitions.
[2022-11-02 21:00:17,690 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:17,690 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions.
[2022-11-02 21:00:17,691 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2022-11-02 21:00:17,692 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:17,692 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:17,692 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2022-11-02 21:00:17,692 INFO  L420      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:17,693 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:17,693 INFO  L85        PathProgramCache]: Analyzing trace with hash 892513765, now seen corresponding path program 1 times
[2022-11-02 21:00:17,693 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:17,693 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292796683]
[2022-11-02 21:00:17,694 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:17,694 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:17,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:17,958 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:17,960 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:17,960 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292796683]
[2022-11-02 21:00:17,961 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292796683] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:17,961 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:17,961 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2022-11-02 21:00:17,961 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201380185]
[2022-11-02 21:00:17,961 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:17,962 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2022-11-02 21:00:17,963 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:17,964 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2022-11-02 21:00:17,964 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156
[2022-11-02 21:00:17,964 INFO  L87              Difference]: Start difference. First operand 52 states and 52 transitions. Second operand  has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:18,096 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:18,096 INFO  L93              Difference]: Finished difference Result 59 states and 59 transitions.
[2022-11-02 21:00:18,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2022-11-02 21:00:18,097 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44
[2022-11-02 21:00:18,097 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:18,097 INFO  L225             Difference]: With dead ends: 59
[2022-11-02 21:00:18,097 INFO  L226             Difference]: Without dead ends: 57
[2022-11-02 21:00:18,097 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182
[2022-11-02 21:00:18,098 INFO  L413           NwaCegarLoop]: 11 mSDtfsCounter, 89 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:18,098 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 27 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:18,099 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2022-11-02 21:00:18,100 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50.
[2022-11-02 21:00:18,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 48 states have (on average 1.0416666666666667) internal successors, (50), 49 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:18,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions.
[2022-11-02 21:00:18,100 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 44
[2022-11-02 21:00:18,101 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:18,101 INFO  L495      AbstractCegarLoop]: Abstraction has 50 states and 50 transitions.
[2022-11-02 21:00:18,101 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 13 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:18,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions.
[2022-11-02 21:00:18,101 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2022-11-02 21:00:18,101 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:18,102 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:18,102 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-11-02 21:00:18,102 INFO  L420      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:18,102 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:18,102 INFO  L85        PathProgramCache]: Analyzing trace with hash 1897634854, now seen corresponding path program 1 times
[2022-11-02 21:00:18,102 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:18,102 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52356914]
[2022-11-02 21:00:18,103 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:18,103 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:18,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:18,628 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:18,628 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:18,629 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52356914]
[2022-11-02 21:00:18,629 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52356914] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:18,629 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:18,629 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 21:00:18,630 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312131724]
[2022-11-02 21:00:18,630 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:18,630 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 21:00:18,630 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:18,631 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 21:00:18,631 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:00:18,631 INFO  L87              Difference]: Start difference. First operand 50 states and 50 transitions. Second operand  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:18,718 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:18,718 INFO  L93              Difference]: Finished difference Result 50 states and 50 transitions.
[2022-11-02 21:00:18,719 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2022-11-02 21:00:18,719 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45
[2022-11-02 21:00:18,719 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:18,719 INFO  L225             Difference]: With dead ends: 50
[2022-11-02 21:00:18,720 INFO  L226             Difference]: Without dead ends: 46
[2022-11-02 21:00:18,721 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2022-11-02 21:00:18,722 INFO  L413           NwaCegarLoop]: 6 mSDtfsCounter, 88 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:18,722 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 14 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:18,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2022-11-02 21:00:18,724 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2022-11-02 21:00:18,725 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 46 states, 45 states have (on average 1.0222222222222221) internal successors, (46), 45 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:18,725 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions.
[2022-11-02 21:00:18,725 INFO  L78                 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 45
[2022-11-02 21:00:18,725 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:18,726 INFO  L495      AbstractCegarLoop]: Abstraction has 46 states and 46 transitions.
[2022-11-02 21:00:18,726 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:18,726 INFO  L276                IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions.
[2022-11-02 21:00:18,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2022-11-02 21:00:18,727 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 21:00:18,727 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:18,727 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2022-11-02 21:00:18,728 INFO  L420      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] ===
[2022-11-02 21:00:18,728 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 21:00:18,728 INFO  L85        PathProgramCache]: Analyzing trace with hash 1898127398, now seen corresponding path program 1 times
[2022-11-02 21:00:18,729 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 21:00:18,729 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190058834]
[2022-11-02 21:00:18,729 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 21:00:18,729 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 21:00:18,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 21:00:19,195 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 21:00:19,195 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 21:00:19,196 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190058834]
[2022-11-02 21:00:19,196 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1190058834] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 21:00:19,196 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 21:00:19,196 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2022-11-02 21:00:19,196 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748681548]
[2022-11-02 21:00:19,197 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 21:00:19,198 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 21:00:19,198 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 21:00:19,198 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 21:00:19,199 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2022-11-02 21:00:19,199 INFO  L87              Difference]: Start difference. First operand 46 states and 46 transitions. Second operand  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:19,292 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 21:00:19,292 INFO  L93              Difference]: Finished difference Result 50 states and 50 transitions.
[2022-11-02 21:00:19,293 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-11-02 21:00:19,294 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45
[2022-11-02 21:00:19,294 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 21:00:19,294 INFO  L225             Difference]: With dead ends: 50
[2022-11-02 21:00:19,294 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 21:00:19,295 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2022-11-02 21:00:19,297 INFO  L413           NwaCegarLoop]: 5 mSDtfsCounter, 58 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 21:00:19,297 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 15 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 21:00:19,298 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 21:00:19,298 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 21:00:19,298 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:19,298 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 21:00:19,299 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 45
[2022-11-02 21:00:19,299 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 21:00:19,299 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 21:00:19,299 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 21:00:19,299 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 21:00:19,299 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 21:00:19,303 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 16 remaining)
[2022-11-02 21:00:19,303 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining)
[2022-11-02 21:00:19,304 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining)
[2022-11-02 21:00:19,304 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining)
[2022-11-02 21:00:19,304 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining)
[2022-11-02 21:00:19,304 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining)
[2022-11-02 21:00:19,304 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining)
[2022-11-02 21:00:19,305 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining)
[2022-11-02 21:00:19,305 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining)
[2022-11-02 21:00:19,305 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining)
[2022-11-02 21:00:19,305 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining)
[2022-11-02 21:00:19,306 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining)
[2022-11-02 21:00:19,306 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining)
[2022-11-02 21:00:19,306 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining)
[2022-11-02 21:00:19,306 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining)
[2022-11-02 21:00:19,307 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining)
[2022-11-02 21:00:19,307 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2022-11-02 21:00:19,309 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 21:00:19,465 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 48) no Hoare annotation was computed.
[2022-11-02 21:00:19,466 INFO  L899   garLoopResultBuilder]: For program point L217(lines 217 229) no Hoare annotation was computed.
[2022-11-02 21:00:19,466 INFO  L899   garLoopResultBuilder]: For program point L597(lines 597 969) no Hoare annotation was computed.
[2022-11-02 21:00:19,466 INFO  L899   garLoopResultBuilder]: For program point L366(lines 366 991) no Hoare annotation was computed.
[2022-11-02 21:00:19,466 INFO  L899   garLoopResultBuilder]: For program point L267(lines 267 275) no Hoare annotation was computed.
[2022-11-02 21:00:19,467 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION(line 883) no Hoare annotation was computed.
[2022-11-02 21:00:19,467 INFO  L899   garLoopResultBuilder]: For program point L581(lines 581 971) no Hoare annotation was computed.
[2022-11-02 21:00:19,467 INFO  L899   garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed.
[2022-11-02 21:00:19,468 INFO  L899   garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed.
[2022-11-02 21:00:19,468 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 21:00:19,468 INFO  L899   garLoopResultBuilder]: For program point L317(lines 317 994) no Hoare annotation was computed.
[2022-11-02 21:00:19,468 INFO  L899   garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point L400(lines 400 424) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point L136(lines 136 242) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point L103(lines 103 125) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point L615(lines 615 626) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point L929(lines 929 941) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point L219(line 219) no Hoare annotation was computed.
[2022-11-02 21:00:19,469 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION(line 269) no Hoare annotation was computed.
[2022-11-02 21:00:19,470 INFO  L899   garLoopResultBuilder]: For program point L665(lines 665 963) no Hoare annotation was computed.
[2022-11-02 21:00:19,470 INFO  L899   garLoopResultBuilder]: For program point L434(lines 434 985) no Hoare annotation was computed.
[2022-11-02 21:00:19,470 INFO  L899   garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed.
[2022-11-02 21:00:19,470 INFO  L899   garLoopResultBuilder]: For program point L649(lines 649 965) no Hoare annotation was computed.
[2022-11-02 21:00:19,471 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 173) no Hoare annotation was computed.
[2022-11-02 21:00:19,471 INFO  L899   garLoopResultBuilder]: For program point L385(lines 385 988) no Hoare annotation was computed.
[2022-11-02 21:00:19,471 INFO  L899   garLoopResultBuilder]: For program point L22(lines 22 1005) no Hoare annotation was computed.
[2022-11-02 21:00:19,471 INFO  L899   garLoopResultBuilder]: For program point L468(lines 468 492) no Hoare annotation was computed.
[2022-11-02 21:00:19,471 INFO  L899   garLoopResultBuilder]: For program point L881(lines 881 907) no Hoare annotation was computed.
[2022-11-02 21:00:19,472 INFO  L899   garLoopResultBuilder]: For program point L171(lines 171 193) no Hoare annotation was computed.
[2022-11-02 21:00:19,472 INFO  L899   garLoopResultBuilder]: For program point L683(lines 683 694) no Hoare annotation was computed.
[2022-11-02 21:00:19,472 INFO  L899   garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed.
[2022-11-02 21:00:19,472 INFO  L899   garLoopResultBuilder]: For program point L72(lines 72 288) no Hoare annotation was computed.
[2022-11-02 21:00:19,473 INFO  L899   garLoopResultBuilder]: For program point L931(line 931) no Hoare annotation was computed.
[2022-11-02 21:00:19,473 INFO  L899   garLoopResultBuilder]: For program point L733(lines 733 957) no Hoare annotation was computed.
[2022-11-02 21:00:19,473 INFO  L899   garLoopResultBuilder]: For program point L155(lines 155 234) no Hoare annotation was computed.
[2022-11-02 21:00:19,473 INFO  L899   garLoopResultBuilder]: For program point L502(lines 502 979) no Hoare annotation was computed.
[2022-11-02 21:00:19,473 INFO  L899   garLoopResultBuilder]: For program point L205(lines 205 231) no Hoare annotation was computed.
[2022-11-02 21:00:19,474 INFO  L899   garLoopResultBuilder]: For program point L717(lines 717 959) no Hoare annotation was computed.
[2022-11-02 21:00:19,474 INFO  L899   garLoopResultBuilder]: For program point L453(lines 453 982) no Hoare annotation was computed.
[2022-11-02 21:00:19,475 INFO  L902   garLoopResultBuilder]: At program point L932(lines 17 1006) the Hoare annotation is: true
[2022-11-02 21:00:19,475 INFO  L899   garLoopResultBuilder]: For program point L866(lines 866 946) no Hoare annotation was computed.
[2022-11-02 21:00:19,475 INFO  L899   garLoopResultBuilder]: For program point L255(lines 255 277) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 207) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point L536(lines 536 560) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point L883(line 883) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point L751(lines 751 762) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point L801(lines 801 951) no Hoare annotation was computed.
[2022-11-02 21:00:19,476 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 21:00:19,477 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed.
[2022-11-02 21:00:19,477 INFO  L899   garLoopResultBuilder]: For program point L157(line 157) no Hoare annotation was computed.
[2022-11-02 21:00:19,477 INFO  L899   garLoopResultBuilder]: For program point L570(lines 570 973) no Hoare annotation was computed.
[2022-11-02 21:00:19,477 INFO  L899   garLoopResultBuilder]: For program point L917(lines 917 943) no Hoare annotation was computed.
[2022-11-02 21:00:19,477 INFO  L899   garLoopResultBuilder]: For program point L785(lines 785 953) no Hoare annotation was computed.
[2022-11-02 21:00:19,477 INFO  L899   garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed.
[2022-11-02 21:00:19,478 INFO  L899   garLoopResultBuilder]: For program point L521(lines 521 976) no Hoare annotation was computed.
[2022-11-02 21:00:19,478 INFO  L895   garLoopResultBuilder]: At program point L868(lines 26 1000) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~main__t~0#1|) (<= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|))
[2022-11-02 21:00:19,478 INFO  L899   garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed.
[2022-11-02 21:00:19,478 INFO  L899   garLoopResultBuilder]: For program point L604(lines 604 628) no Hoare annotation was computed.
[2022-11-02 21:00:19,478 INFO  L899   garLoopResultBuilder]: For program point L26(lines 26 1000) no Hoare annotation was computed.
[2022-11-02 21:00:19,480 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed.
[2022-11-02 21:00:19,480 INFO  L899   garLoopResultBuilder]: For program point L819(lines 819 830) no Hoare annotation was computed.
[2022-11-02 21:00:19,480 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION(line 895) no Hoare annotation was computed.
[2022-11-02 21:00:19,480 INFO  L899   garLoopResultBuilder]: For program point L638(lines 638 967) no Hoare annotation was computed.
[2022-11-02 21:00:19,481 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 219) no Hoare annotation was computed.
[2022-11-02 21:00:19,481 INFO  L899   garLoopResultBuilder]: For program point L919(line 919) no Hoare annotation was computed.
[2022-11-02 21:00:19,481 INFO  L899   garLoopResultBuilder]: For program point L853(lines 853 947) no Hoare annotation was computed.
[2022-11-02 21:00:19,481 INFO  L899   garLoopResultBuilder]: For program point L143(lines 143 236) no Hoare annotation was computed.
[2022-11-02 21:00:19,482 INFO  L899   garLoopResultBuilder]: For program point L589(lines 589 970) no Hoare annotation was computed.
[2022-11-02 21:00:19,482 INFO  L899   garLoopResultBuilder]: For program point L325(lines 325 993) no Hoare annotation was computed.
[2022-11-02 21:00:19,482 INFO  L899   garLoopResultBuilder]: For program point L672(lines 672 696) no Hoare annotation was computed.
[2022-11-02 21:00:19,482 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed.
[2022-11-02 21:00:19,482 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 21:00:19,483 INFO  L899   garLoopResultBuilder]: For program point L309(lines 309 995) no Hoare annotation was computed.
[2022-11-02 21:00:19,483 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION(line 931) no Hoare annotation was computed.
[2022-11-02 21:00:19,483 INFO  L895   garLoopResultBuilder]: At program point L904(lines 65 999) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (<= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|))
[2022-11-02 21:00:19,483 INFO  L899   garLoopResultBuilder]: For program point L706(lines 706 961) no Hoare annotation was computed.
[2022-11-02 21:00:19,483 INFO  L899   garLoopResultBuilder]: For program point L343(lines 343 354) no Hoare annotation was computed.
[2022-11-02 21:00:19,484 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 117) no Hoare annotation was computed.
[2022-11-02 21:00:19,484 INFO  L899   garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed.
[2022-11-02 21:00:19,484 INFO  L899   garLoopResultBuilder]: For program point L657(lines 657 964) no Hoare annotation was computed.
[2022-11-02 21:00:19,485 INFO  L899   garLoopResultBuilder]: For program point L46(lines 46 56) no Hoare annotation was computed.
[2022-11-02 21:00:19,485 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION(line 919) no Hoare annotation was computed.
[2022-11-02 21:00:19,485 INFO  L902   garLoopResultBuilder]: At program point L1004(lines 22 1005) the Hoare annotation is: true
[2022-11-02 21:00:19,485 INFO  L899   garLoopResultBuilder]: For program point L393(lines 393 987) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point L740(lines 740 764) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point L96(lines 96 285) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point L377(lines 377 989) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point L774(lines 774 955) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 157) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point L411(lines 411 422) no Hoare annotation was computed.
[2022-11-02 21:00:19,486 INFO  L899   garLoopResultBuilder]: For program point L725(lines 725 958) no Hoare annotation was computed.
[2022-11-02 21:00:19,487 INFO  L899   garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed.
[2022-11-02 21:00:19,487 INFO  L899   garLoopResultBuilder]: For program point L461(lines 461 981) no Hoare annotation was computed.
[2022-11-02 21:00:19,487 INFO  L895   garLoopResultBuilder]: At program point L940(lines 858 947) the Hoare annotation is: (and (<= 9 |ULTIMATE.start_main_~main__t~0#1|) (<= |ULTIMATE.start_main_~main__t~0#1| |ULTIMATE.start_main_~main__tagbuf_len~0#1|))
[2022-11-02 21:00:19,487 INFO  L899   garLoopResultBuilder]: For program point L874(lines 874 945) no Hoare annotation was computed.
[2022-11-02 21:00:19,487 INFO  L899   garLoopResultBuilder]: For program point L808(lines 808 832) no Hoare annotation was computed.
[2022-11-02 21:00:19,487 INFO  L899   garLoopResultBuilder]: For program point L164(lines 164 233) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point L65(lines 65 999) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point L445(lines 445 983) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 36) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point L115(lines 115 123) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point L842(lines 842 949) no Hoare annotation was computed.
[2022-11-02 21:00:19,488 INFO  L899   garLoopResultBuilder]: For program point L132(lines 132 284) no Hoare annotation was computed.
[2022-11-02 21:00:19,489 INFO  L899   garLoopResultBuilder]: For program point L479(lines 479 490) no Hoare annotation was computed.
[2022-11-02 21:00:19,489 INFO  L899   garLoopResultBuilder]: For program point L793(lines 793 952) no Hoare annotation was computed.
[2022-11-02 21:00:19,489 INFO  L899   garLoopResultBuilder]: For program point L248(lines 248 283) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point L83(lines 83 286) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point L529(lines 529 975) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point L298(lines 298 997) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point L34(lines 34 58) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point L513(lines 513 977) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point L893(lines 893 905) no Hoare annotation was computed.
[2022-11-02 21:00:19,490 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed.
[2022-11-02 21:00:19,491 INFO  L895   garLoopResultBuilder]: At program point L282(lines 132 284) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~main__t~0#1|) (not (<= |ULTIMATE.start_main_~main__tagbuf_len~0#1| |ULTIMATE.start_main_~main__t~0#1|)))
[2022-11-02 21:00:19,491 INFO  L899   garLoopResultBuilder]: For program point L183(lines 183 191) no Hoare annotation was computed.
[2022-11-02 21:00:19,491 INFO  L899   garLoopResultBuilder]: For program point L117(line 117) no Hoare annotation was computed.
[2022-11-02 21:00:19,491 INFO  L899   garLoopResultBuilder]: For program point L332(lines 332 356) no Hoare annotation was computed.
[2022-11-02 21:00:19,491 INFO  L899   garLoopResultBuilder]: For program point L547(lines 547 558) no Hoare annotation was computed.
[2022-11-02 21:00:19,495 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 21:00:19,501 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 21:00:19,523 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 09:00:19 BoogieIcfgContainer
[2022-11-02 21:00:19,523 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 21:00:19,524 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 21:00:19,524 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 21:00:19,524 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 21:00:19,525 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:00:11" (3/4) ...
[2022-11-02 21:00:19,527 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 21:00:19,550 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2022-11-02 21:00:19,551 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2022-11-02 21:00:19,552 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 21:00:19,552 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 21:00:19,677 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 21:00:19,677 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 21:00:19,678 INFO  L158              Benchmark]: Toolchain (without parser) took 9511.00ms. Allocated memory was 107.0MB in the beginning and 220.2MB in the end (delta: 113.2MB). Free memory was 72.5MB in the beginning and 125.5MB in the end (delta: -53.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,679 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 21:00:19,679 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 601.96ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 69.7MB in the end (delta: 2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,680 INFO  L158              Benchmark]: Boogie Procedure Inliner took 86.15ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,681 INFO  L158              Benchmark]: Boogie Preprocessor took 48.52ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 64.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,681 INFO  L158              Benchmark]: RCFGBuilder took 816.62ms. Allocated memory was 107.0MB in the beginning and 148.9MB in the end (delta: 41.9MB). Free memory was 64.0MB in the beginning and 102.8MB in the end (delta: -38.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,682 INFO  L158              Benchmark]: TraceAbstraction took 7793.09ms. Allocated memory was 148.9MB in the beginning and 220.2MB in the end (delta: 71.3MB). Free memory was 102.1MB in the beginning and 134.0MB in the end (delta: -31.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,683 INFO  L158              Benchmark]: Witness Printer took 153.75ms. Allocated memory is still 220.2MB. Free memory was 134.0MB in the beginning and 125.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 21:00:19,687 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 601.96ms. Allocated memory is still 107.0MB. Free memory was 72.3MB in the beginning and 69.7MB in the end (delta: 2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 86.15ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 66.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 48.52ms. Allocated memory is still 107.0MB. Free memory was 66.4MB in the beginning and 64.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 816.62ms. Allocated memory was 107.0MB in the beginning and 148.9MB in the end (delta: 41.9MB). Free memory was 64.0MB in the beginning and 102.8MB in the end (delta: -38.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 7793.09ms. Allocated memory was 148.9MB in the beginning and 220.2MB in the end (delta: 71.3MB). Free memory was 102.1MB in the beginning and 134.0MB in the end (delta: -31.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
 * Witness Printer took 153.75ms. Allocated memory is still 220.2MB. Free memory was 134.0MB in the beginning and 125.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 36]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 48]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 105]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 117]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 145]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 157]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 173]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 185]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 207]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 219]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 257]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 269]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 883]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 895]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 919]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - PositiveResult [Line: 931]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 120 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 7.7s, OverallIterations: 19, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1524 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1524 mSDsluCounter, 2483 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1445 mSDsCounter, 335 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3638 IncrementalHoareTripleChecker+Invalid, 3973 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 335 mSolverCounterUnsat, 1038 mSDtfsCounter, 3638 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 175 GetRequests, 69 SyntacticMatches, 2 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=120occurred in iteration=0, InterpolantAutomatonStates: 114, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 119 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 16 NumberOfFragments, 31 HoareAnnotationTreeSize, 6 FomulaSimplifications, 4434 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 211 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 386 NumberOfCodeBlocks, 386 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 1313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    16 specifications checked. All of them hold
  - InvariantResult [Line: 132]: Loop Invariant
    Derived loop invariant: 1 <= main__t && !(main__tagbuf_len <= main__t)
  - InvariantResult [Line: 26]: Loop Invariant
    Derived loop invariant: 0 <= main__t && main__t <= main__tagbuf_len
  - InvariantResult [Line: 858]: Loop Invariant
    Derived loop invariant: 9 <= main__t && main__t <= main__tagbuf_len
  - InvariantResult [Line: 22]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 65]: Loop Invariant
    Derived loop invariant: 1 <= main__t && main__t <= main__tagbuf_len
  - InvariantResult [Line: 17]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 21:00:19,756 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1329d9b3-e92a-43da-a5ed-5eaa2ee8d663/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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