./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-divine/barrier_2t.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-divine/barrier_2t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f16bd48636db1837ea8e0ca595ad8610f40d584c5526c4d4feced86ef6fdf308
--- 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 20:25:04,452 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:25:04,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:25:04,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:25:04,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:25:04,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:25:04,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:25:04,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:25:04,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:25:04,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:25:04,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:25:04,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:25:04,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:25:04,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:25:04,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:25:04,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:25:04,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:25:04,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:25:04,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:25:04,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:25:04,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:25:04,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:25:04,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:25:04,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:25:04,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:25:04,545 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:25:04,545 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:25:04,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:25:04,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:25:04,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:25:04,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:25:04,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:25:04,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:25:04,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:25:04,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:25:04,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:25:04,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:25:04,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:25:04,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:25:04,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:25:04,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:25:04,561 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2022-11-02 20:25:04,595 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:25:04,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:25:04,599 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:25:04,599 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:25:04,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:25:04,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:25:04,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:25:04,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:25:04,602 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:25:04,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:25:04,603 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:25:04,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:25:04,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:25:04,604 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:25:04,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:25:04,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:25:04,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:25:04,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:25:04,605 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2022-11-02 20:25:04,605 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:25:04,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:25:04,605 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:25:04,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:25:04,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:25:04,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:25:04,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:25:04,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:25:04,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:25:04,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:25:04,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:25:04,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:25:04,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:25:04,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:25:04,608 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f16bd48636db1837ea8e0ca595ad8610f40d584c5526c4d4feced86ef6fdf308
[2022-11-02 20:25:04,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:25:04,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:25:04,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:25:04,908 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:25:04,908 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:25:04,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-divine/barrier_2t.i
[2022-11-02 20:25:05,012 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/data/d1456b933/16deb9aabe9549ff829879ba3b03de0d/FLAGfeadcf612
[2022-11-02 20:25:05,518 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:25:05,523 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i
[2022-11-02 20:25:05,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/data/d1456b933/16deb9aabe9549ff829879ba3b03de0d/FLAGfeadcf612
[2022-11-02 20:25:05,823 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/data/d1456b933/16deb9aabe9549ff829879ba3b03de0d
[2022-11-02 20:25:05,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:25:05,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:25:05,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:25:05,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:25:05,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:25:05,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:05" (1/1) ...
[2022-11-02 20:25:05,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75b9f3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:05, skipping insertion in model container
[2022-11-02 20:25:05,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:25:05" (1/1) ...
[2022-11-02 20:25:05,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:25:05,913 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:25:06,114 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-02 20:25:06,328 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[30484,30497]
[2022-11-02 20:25:06,366 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[31858,31871]
[2022-11-02 20:25:06,368 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[31909,31922]
[2022-11-02 20:25:06,377 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32058,32071]
[2022-11-02 20:25:06,379 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32135,32148]
[2022-11-02 20:25:06,380 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32182,32195]
[2022-11-02 20:25:06,383 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32291,32304]
[2022-11-02 20:25:06,387 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32410,32423]
[2022-11-02 20:25:06,389 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32458,32471]
[2022-11-02 20:25:06,392 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32535,32548]
[2022-11-02 20:25:06,395 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32661,32674]
[2022-11-02 20:25:06,411 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[33244,33257]
[2022-11-02 20:25:06,416 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[33321,33334]
[2022-11-02 20:25:06,418 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:25:06,435 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:25:06,456 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16
[2022-11-02 20:25:06,491 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[30484,30497]
[2022-11-02 20:25:06,506 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[31858,31871]
[2022-11-02 20:25:06,506 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[31909,31922]
[2022-11-02 20:25:06,508 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32058,32071]
[2022-11-02 20:25:06,509 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32135,32148]
[2022-11-02 20:25:06,510 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32182,32195]
[2022-11-02 20:25:06,511 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32291,32304]
[2022-11-02 20:25:06,512 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32410,32423]
[2022-11-02 20:25:06,513 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32458,32471]
[2022-11-02 20:25:06,525 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32535,32548]
[2022-11-02 20:25:06,526 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[32661,32674]
[2022-11-02 20:25:06,532 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[33244,33257]
[2022-11-02 20:25:06,533 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_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/sv-benchmarks/c/pthread-divine/barrier_2t.i[33321,33334]
[2022-11-02 20:25:06,534 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:25:06,577 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:25:06,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06 WrapperNode
[2022-11-02 20:25:06,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:25:06,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:25:06,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:25:06,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:25:06,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,620 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,680 INFO L138 Inliner]: procedures = 174, calls = 78, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 583
[2022-11-02 20:25:06,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:25:06,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:25:06,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:25:06,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:25:06,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,787 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:25:06,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:25:06,796 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:25:06,796 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:25:06,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (1/1) ...
[2022-11-02 20:25:06,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:25:06,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:25:06,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:25:06,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:25:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:25:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:25:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2022-11-02 20:25:06,891 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn
[2022-11-02 20:25:06,892 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn
[2022-11-02 20:25:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:25:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2022-11-02 20:25:06,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:25:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2022-11-02 20:25:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:25:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:25:06,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:25:06,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:25:06,897 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-11-02 20:25:07,063 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:25:07,066 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:25:08,167 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:25:08,190 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:25:08,190 INFO L300 CfgBuilder]: Removed 20 assume(true) statements.
[2022-11-02 20:25:08,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:08 BoogieIcfgContainer
[2022-11-02 20:25:08,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:25:08,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:25:08,200 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:25:08,204 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:25:08,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:25:05" (1/3) ...
[2022-11-02 20:25:08,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13602e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:08, skipping insertion in model container
[2022-11-02 20:25:08,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:25:06" (2/3) ...
[2022-11-02 20:25:08,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13602e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:25:08, skipping insertion in model container
[2022-11-02 20:25:08,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:25:08" (3/3) ...
[2022-11-02 20:25:08,209 INFO L112 eAbstractionObserver]: Analyzing ICFG barrier_2t.i
[2022-11-02 20:25:08,219 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-11-02 20:25:08,231 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:25:08,231 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 62 error locations.
[2022-11-02 20:25:08,231 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-11-02 20:25:08,421 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2022-11-02 20:25:08,492 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2022-11-02 20:25:08,505 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 615 places, 682 transitions, 1372 flow
[2022-11-02 20:25:08,510 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 615 places, 682 transitions, 1372 flow
[2022-11-02 20:25:08,512 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 615 places, 682 transitions, 1372 flow
[2022-11-02 20:25:08,995 INFO L130 PetriNetUnfolder]: 106/1007 cut-off events.
[2022-11-02 20:25:08,995 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES.
[2022-11-02 20:25:09,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1013 conditions, 1007 events. 106/1007 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3902 event pairs, 0 based on Foata normal form. 0/806 useless extension candidates. Maximal degree in co-relation 606. Up to 4 conditions per place.
[2022-11-02 20:25:09,126 INFO L118 LiptonReduction]: Number of co-enabled transitions 182240
[2022-11-02 20:27:47,040 INFO L133 LiptonReduction]: Checked pairs total: 347528
[2022-11-02 20:27:47,040 INFO L135 LiptonReduction]: Total number of compositions: 671
[2022-11-02 20:27:47,048 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 193 places, 230 transitions, 468 flow
[2022-11-02 20:27:47,339 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8516 states, 7537 states have (on average 2.6886028923975056) internal successors, (20264), 8515 states have internal predecessors, (20264), 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 20:27:47,368 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:27:47,377 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=FINITE_AUTOMATA, 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;@6cf8f064, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:27:47,378 INFO L358 AbstractCegarLoop]: Starting to check reachability of 89 error locations.
[2022-11-02 20:27:47,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 8516 states, 7537 states have (on average 2.6886028923975056) internal successors, (20264), 8515 states have internal predecessors, (20264), 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 20:27:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2022-11-02 20:27:47,415 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:47,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1]
[2022-11-02 20:27:47,417 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:47,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:47,426 INFO L85 PathProgramCache]: Analyzing trace with hash 84539, now seen corresponding path program 1 times
[2022-11-02 20:27:47,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:47,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70750238]
[2022-11-02 20:27:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:47,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:47,723 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 20:27:47,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:47,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70750238]
[2022-11-02 20:27:47,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70750238] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:47,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:47,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:27:47,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986156879]
[2022-11-02 20:27:47,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:47,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:27:47,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:47,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:27:47,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:27:47,809 INFO L87 Difference]: Start difference. First operand has 8516 states, 7537 states have (on average 2.6886028923975056) internal successors, (20264), 8515 states have internal predecessors, (20264), 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 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 20:27:48,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:48,460 INFO L93 Difference]: Finished difference Result 8161 states and 18304 transitions.
[2022-11-02 20:27:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:27:48,465 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2
[2022-11-02 20:27:48,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:48,552 INFO L225 Difference]: With dead ends: 8161
[2022-11-02 20:27:48,553 INFO L226 Difference]: Without dead ends: 8159
[2022-11-02 20:27:48,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:27:48,566 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:48,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:27:48,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8159 states.
[2022-11-02 20:27:48,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8159 to 8159.
[2022-11-02 20:27:48,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8159 states, 7299 states have (on average 2.5073297712015346) internal successors, (18301), 8158 states have internal predecessors, (18301), 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 20:27:48,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8159 states to 8159 states and 18301 transitions.
[2022-11-02 20:27:48,968 INFO L78 Accepts]: Start accepts. Automaton has 8159 states and 18301 transitions. Word has length 2
[2022-11-02 20:27:48,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:48,969 INFO L495 AbstractCegarLoop]: Abstraction has 8159 states and 18301 transitions.
[2022-11-02 20:27:48,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 2.0) internal successors, (2), 2 states have internal predecessors, (2), 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 20:27:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8159 states and 18301 transitions.
[2022-11-02 20:27:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2022-11-02 20:27:48,971 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:48,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1]
[2022-11-02 20:27:48,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:27:48,971 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:48,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:48,972 INFO L85 PathProgramCache]: Analyzing trace with hash 84540, now seen corresponding path program 1 times
[2022-11-02 20:27:48,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:48,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441958846]
[2022-11-02 20:27:48,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:48,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:49,150 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 20:27:49,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:49,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441958846]
[2022-11-02 20:27:49,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441958846] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:49,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:49,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2022-11-02 20:27:49,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698256711]
[2022-11-02 20:27:49,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:49,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:49,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:49,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:49,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:49,155 INFO L87 Difference]: Start difference. First operand 8159 states and 18301 transitions. Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 20:27:49,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:49,895 INFO L93 Difference]: Finished difference Result 8160 states and 18302 transitions.
[2022-11-02 20:27:49,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:27:49,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2
[2022-11-02 20:27:49,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:49,962 INFO L225 Difference]: With dead ends: 8160
[2022-11-02 20:27:49,963 INFO L226 Difference]: Without dead ends: 8160
[2022-11-02 20:27:49,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:49,971 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:49,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:27:49,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8160 states.
[2022-11-02 20:27:50,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8160 to 8160.
[2022-11-02 20:27:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8160 states, 7300 states have (on average 2.507123287671233) internal successors, (18302), 8159 states have internal predecessors, (18302), 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 20:27:50,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8160 states to 8160 states and 18302 transitions.
[2022-11-02 20:27:50,315 INFO L78 Accepts]: Start accepts. Automaton has 8160 states and 18302 transitions. Word has length 2
[2022-11-02 20:27:50,315 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:50,315 INFO L495 AbstractCegarLoop]: Abstraction has 8160 states and 18302 transitions.
[2022-11-02 20:27:50,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 20:27:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 8160 states and 18302 transitions.
[2022-11-02 20:27:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2022-11-02 20:27:50,316 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:50,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2022-11-02 20:27:50,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:27:50,317 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:50,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:50,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2624959, now seen corresponding path program 1 times
[2022-11-02 20:27:50,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:50,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618476106]
[2022-11-02 20:27:50,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:50,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:50,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:50,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:50,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618476106]
[2022-11-02 20:27:50,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618476106] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:27:50,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609980610]
[2022-11-02 20:27:50,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:50,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:50,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:27:50,503 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:27:50,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2022-11-02 20:27:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:50,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:27:50,676 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:27:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:50,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:27:50,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609980610] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:50,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:27:50,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3
[2022-11-02 20:27:50,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215768486]
[2022-11-02 20:27:50,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:27:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:27:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:50,730 INFO L87 Difference]: Start difference. First operand 8160 states and 18302 transitions. Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 20:27:51,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:51,197 INFO L93 Difference]: Finished difference Result 8159 states and 18301 transitions.
[2022-11-02 20:27:51,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:27:51,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3
[2022-11-02 20:27:51,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:51,249 INFO L225 Difference]: With dead ends: 8159
[2022-11-02 20:27:51,249 INFO L226 Difference]: Without dead ends: 8159
[2022-11-02 20:27:51,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:51,260 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 209 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:51,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 31 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:27:51,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8159 states.
[2022-11-02 20:27:51,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8159 to 8159.
[2022-11-02 20:27:51,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8159 states, 7300 states have (on average 2.5069863013698632) internal successors, (18301), 8158 states have internal predecessors, (18301), 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 20:27:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8159 states to 8159 states and 18301 transitions.
[2022-11-02 20:27:51,628 INFO L78 Accepts]: Start accepts. Automaton has 8159 states and 18301 transitions. Word has length 3
[2022-11-02 20:27:51,628 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:51,628 INFO L495 AbstractCegarLoop]: Abstraction has 8159 states and 18301 transitions.
[2022-11-02 20:27:51,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 20:27:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 8159 states and 18301 transitions.
[2022-11-02 20:27:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:27:51,629 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:51,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:51,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:27:51,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:51,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:51,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:51,854 INFO L85 PathProgramCache]: Analyzing trace with hash 896139391, now seen corresponding path program 1 times
[2022-11-02 20:27:51,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:51,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715841773]
[2022-11-02 20:27:51,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:51,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:52,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:52,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:52,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715841773]
[2022-11-02 20:27:52,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715841773] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:27:52,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991123199]
[2022-11-02 20:27:52,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:52,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:52,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:27:52,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:27:52,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-11-02 20:27:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:52,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:27:52,372 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:27:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:27:52,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:27:52,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991123199] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:52,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:27:52,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-11-02 20:27:52,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532652130]
[2022-11-02 20:27:52,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:52,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:52,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:52,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:52,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:52,398 INFO L87 Difference]: Start difference. First operand 8159 states and 18301 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:27:53,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:53,001 INFO L93 Difference]: Finished difference Result 7994 states and 18028 transitions.
[2022-11-02 20:27:53,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:27:53,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2022-11-02 20:27:53,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:53,059 INFO L225 Difference]: With dead ends: 7994
[2022-11-02 20:27:53,059 INFO L226 Difference]: Without dead ends: 7994
[2022-11-02 20:27:53,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:53,065 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 97 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:53,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 61 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:27:53,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7994 states.
[2022-11-02 20:27:53,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7994 to 7994.
[2022-11-02 20:27:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7994 states, 7184 states have (on average 2.5094654788418707) internal successors, (18028), 7993 states have internal predecessors, (18028), 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 20:27:53,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7994 states to 7994 states and 18028 transitions.
[2022-11-02 20:27:53,477 INFO L78 Accepts]: Start accepts. Automaton has 7994 states and 18028 transitions. Word has length 6
[2022-11-02 20:27:53,478 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:53,478 INFO L495 AbstractCegarLoop]: Abstraction has 7994 states and 18028 transitions.
[2022-11-02 20:27:53,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:27:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 7994 states and 18028 transitions.
[2022-11-02 20:27:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:27:53,479 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:53,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:53,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:27:53,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:53,680 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:53,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:53,681 INFO L85 PathProgramCache]: Analyzing trace with hash 896139392, now seen corresponding path program 1 times
[2022-11-02 20:27:53,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:53,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820172928]
[2022-11-02 20:27:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:53,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:53,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:27:53,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:53,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820172928]
[2022-11-02 20:27:53,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820172928] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:27:53,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504476900]
[2022-11-02 20:27:53,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:53,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:53,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:27:53,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:27:53,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-11-02 20:27:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:54,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core
[2022-11-02 20:27:54,090 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:27:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2022-11-02 20:27:54,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:27:54,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504476900] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:54,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:27:54,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5
[2022-11-02 20:27:54,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110477572]
[2022-11-02 20:27:54,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:54,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:54,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:54,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:54,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:54,105 INFO L87 Difference]: Start difference. First operand 7994 states and 18028 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:27:54,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:54,603 INFO L93 Difference]: Finished difference Result 7910 states and 17849 transitions.
[2022-11-02 20:27:54,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:27:54,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2022-11-02 20:27:54,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:54,646 INFO L225 Difference]: With dead ends: 7910
[2022-11-02 20:27:54,646 INFO L226 Difference]: Without dead ends: 7910
[2022-11-02 20:27:54,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:54,648 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 203 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:54,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 31 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2022-11-02 20:27:54,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7910 states.
[2022-11-02 20:27:54,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7910 to 7910.
[2022-11-02 20:27:54,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7910 states, 7126 states have (on average 2.5047712601740106) internal successors, (17849), 7909 states have internal predecessors, (17849), 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 20:27:54,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7910 states to 7910 states and 17849 transitions.
[2022-11-02 20:27:54,934 INFO L78 Accepts]: Start accepts. Automaton has 7910 states and 17849 transitions. Word has length 6
[2022-11-02 20:27:54,934 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:54,934 INFO L495 AbstractCegarLoop]: Abstraction has 7910 states and 17849 transitions.
[2022-11-02 20:27:54,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:27:54,935 INFO L276 IsEmpty]: Start isEmpty. Operand 7910 states and 17849 transitions.
[2022-11-02 20:27:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:27:54,936 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:54,936 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:54,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:27:55,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:55,154 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:55,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:55,155 INFO L85 PathProgramCache]: Analyzing trace with hash -2098236218, now seen corresponding path program 1 times
[2022-11-02 20:27:55,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:55,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118782885]
[2022-11-02 20:27:55,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:55,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:55,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:27:55,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:55,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118782885]
[2022-11-02 20:27:55,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118782885] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:27:55,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425042549]
[2022-11-02 20:27:55,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:55,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:55,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:27:55,426 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:27:55,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2022-11-02 20:27:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:55,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:27:55,640 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:27:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:27:55,656 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:27:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2022-11-02 20:27:55,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425042549] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:27:55,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:27:55,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4
[2022-11-02 20:27:55,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047567668]
[2022-11-02 20:27:55,675 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:27:55,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:27:55,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:55,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:27:55,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:55,681 INFO L87 Difference]: Start difference. First operand 7910 states and 17849 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 20:27:56,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:56,366 INFO L93 Difference]: Finished difference Result 7911 states and 17850 transitions.
[2022-11-02 20:27:56,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:27:56,367 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 20:27:56,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:56,402 INFO L225 Difference]: With dead ends: 7911
[2022-11-02 20:27:56,403 INFO L226 Difference]: Without dead ends: 7911
[2022-11-02 20:27:56,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:56,407 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:56,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:27:56,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7911 states.
[2022-11-02 20:27:56,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7911 to 7911.
[2022-11-02 20:27:56,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7911 states, 7127 states have (on average 2.5045601234741124) internal successors, (17850), 7910 states have internal predecessors, (17850), 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 20:27:56,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7911 states to 7911 states and 17850 transitions.
[2022-11-02 20:27:56,737 INFO L78 Accepts]: Start accepts. Automaton has 7911 states and 17850 transitions. Word has length 8
[2022-11-02 20:27:56,737 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:56,737 INFO L495 AbstractCegarLoop]: Abstraction has 7911 states and 17850 transitions.
[2022-11-02 20:27:56,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 20:27:56,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7911 states and 17850 transitions.
[2022-11-02 20:27:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-02 20:27:56,738 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:56,739 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2022-11-02 20:27:56,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2022-11-02 20:27:56,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2022-11-02 20:27:56,956 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:56,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:56,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1081587191, now seen corresponding path program 2 times
[2022-11-02 20:27:56,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:56,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945431515]
[2022-11-02 20:27:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:57,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:27:57,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:57,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945431515]
[2022-11-02 20:27:57,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945431515] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:27:57,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857955283]
[2022-11-02 20:27:57,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-02 20:27:57,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:57,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:27:57,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:27:57,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2022-11-02 20:27:57,423 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-02 20:27:57,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-02 20:27:57,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:27:57,426 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:27:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:27:57,442 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:27:57,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857955283] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:57,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:27:57,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5
[2022-11-02 20:27:57,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967222360]
[2022-11-02 20:27:57,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:57,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:27:57,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:57,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:27:57,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:27:57,445 INFO L87 Difference]: Start difference. First operand 7911 states and 17850 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 20:27:58,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:58,095 INFO L93 Difference]: Finished difference Result 7743 states and 17492 transitions.
[2022-11-02 20:27:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:27:58,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 9
[2022-11-02 20:27:58,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:58,128 INFO L225 Difference]: With dead ends: 7743
[2022-11-02 20:27:58,128 INFO L226 Difference]: Without dead ends: 7743
[2022-11-02 20:27:58,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 20:27:58,130 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 404 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:58,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 66 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:27:58,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7743 states.
[2022-11-02 20:27:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7743 to 7743.
[2022-11-02 20:27:58,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7743 states, 6985 states have (on average 2.5042233357193986) internal successors, (17492), 7742 states have internal predecessors, (17492), 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 20:27:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7743 states to 7743 states and 17492 transitions.
[2022-11-02 20:27:58,340 INFO L78 Accepts]: Start accepts. Automaton has 7743 states and 17492 transitions. Word has length 9
[2022-11-02 20:27:58,340 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:58,340 INFO L495 AbstractCegarLoop]: Abstraction has 7743 states and 17492 transitions.
[2022-11-02 20:27:58,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 20:27:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 7743 states and 17492 transitions.
[2022-11-02 20:27:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:27:58,341 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:58,342 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:58,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2022-11-02 20:27:58,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:27:58,613 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting worker_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:58,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:58,614 INFO L85 PathProgramCache]: Analyzing trace with hash -295737490, now seen corresponding path program 1 times
[2022-11-02 20:27:58,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:58,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023979762]
[2022-11-02 20:27:58,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:58,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:27:58,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:58,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023979762]
[2022-11-02 20:27:58,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023979762] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:58,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:58,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:27:58,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182141732]
[2022-11-02 20:27:58,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:58,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:58,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:58,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:58,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:58,743 INFO L87 Difference]: Start difference. First operand 7743 states and 17492 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:27:59,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:27:59,431 INFO L93 Difference]: Finished difference Result 8019 states and 18080 transitions.
[2022-11-02 20:27:59,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:27:59,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:27:59,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:27:59,464 INFO L225 Difference]: With dead ends: 8019
[2022-11-02 20:27:59,464 INFO L226 Difference]: Without dead ends: 8019
[2022-11-02 20:27:59,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:59,466 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 104 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:27:59,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 71 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:27:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8019 states.
[2022-11-02 20:27:59,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8019 to 8019.
[2022-11-02 20:27:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8019 states, 7261 states have (on average 2.4900151494284533) internal successors, (18080), 8018 states have internal predecessors, (18080), 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 20:27:59,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8019 states to 8019 states and 18080 transitions.
[2022-11-02 20:27:59,758 INFO L78 Accepts]: Start accepts. Automaton has 8019 states and 18080 transitions. Word has length 11
[2022-11-02 20:27:59,759 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:27:59,759 INFO L495 AbstractCegarLoop]: Abstraction has 8019 states and 18080 transitions.
[2022-11-02 20:27:59,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:27:59,759 INFO L276 IsEmpty]: Start isEmpty. Operand 8019 states and 18080 transitions.
[2022-11-02 20:27:59,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:27:59,761 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:27:59,761 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:27:59,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2022-11-02 20:27:59,762 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:27:59,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:27:59,762 INFO L85 PathProgramCache]: Analyzing trace with hash -18475916, now seen corresponding path program 1 times
[2022-11-02 20:27:59,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:27:59,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266072701]
[2022-11-02 20:27:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:27:59,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:27:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:27:59,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:27:59,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:27:59,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266072701]
[2022-11-02 20:27:59,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266072701] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:27:59,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:27:59,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:27:59,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780021264]
[2022-11-02 20:27:59,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:27:59,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:27:59,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:27:59,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:27:59,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:27:59,891 INFO L87 Difference]: Start difference. First operand 8019 states and 18080 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:28:00,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:00,614 INFO L93 Difference]: Finished difference Result 8193 states and 18450 transitions.
[2022-11-02 20:28:00,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:28:00,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:28:00,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:00,641 INFO L225 Difference]: With dead ends: 8193
[2022-11-02 20:28:00,641 INFO L226 Difference]: Without dead ends: 8193
[2022-11-02 20:28:00,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:28:00,644 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 95 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:00,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 78 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:28:00,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states.
[2022-11-02 20:28:00,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 8193.
[2022-11-02 20:28:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8193 states, 7435 states have (on average 2.4815063887020847) internal successors, (18450), 8192 states have internal predecessors, (18450), 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 20:28:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8193 states to 8193 states and 18450 transitions.
[2022-11-02 20:28:00,844 INFO L78 Accepts]: Start accepts. Automaton has 8193 states and 18450 transitions. Word has length 11
[2022-11-02 20:28:00,845 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:00,845 INFO L495 AbstractCegarLoop]: Abstraction has 8193 states and 18450 transitions.
[2022-11-02 20:28:00,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 20:28:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 8193 states and 18450 transitions.
[2022-11-02 20:28:00,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-02 20:28:00,848 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:00,848 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:00,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2022-11-02 20:28:00,849 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:00,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:00,849 INFO L85 PathProgramCache]: Analyzing trace with hash -575405446, now seen corresponding path program 1 times
[2022-11-02 20:28:00,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:00,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936076087]
[2022-11-02 20:28:00,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:00,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:00,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:00,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:00,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936076087]
[2022-11-02 20:28:00,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936076087] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:28:00,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963504052]
[2022-11-02 20:28:00,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:00,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:28:00,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:28:00,968 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:28:00,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2022-11-02 20:28:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:01,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:28:01,225 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:28:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:01,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:28:01,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963504052] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:28:01,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:28:01,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2022-11-02 20:28:01,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945581292]
[2022-11-02 20:28:01,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:28:01,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:28:01,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:01,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:28:01,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:28:01,255 INFO L87 Difference]: Start difference. First operand 8193 states and 18450 transitions. Second operand has 4 states, 3 states have (on average 4.0) 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 20:28:02,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:02,153 INFO L93 Difference]: Finished difference Result 8106 states and 18265 transitions.
[2022-11-02 20:28:02,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:28:02,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) 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 13
[2022-11-02 20:28:02,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:02,176 INFO L225 Difference]: With dead ends: 8106
[2022-11-02 20:28:02,177 INFO L226 Difference]: Without dead ends: 8106
[2022-11-02 20:28:02,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 20:28:02,178 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 292 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:02,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 120 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-02 20:28:02,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8106 states.
[2022-11-02 20:28:02,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8106 to 8106.
[2022-11-02 20:28:02,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8106 states, 7374 states have (on average 2.476946026579875) internal successors, (18265), 8105 states have internal predecessors, (18265), 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 20:28:02,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8106 states to 8106 states and 18265 transitions.
[2022-11-02 20:28:02,379 INFO L78 Accepts]: Start accepts. Automaton has 8106 states and 18265 transitions. Word has length 13
[2022-11-02 20:28:02,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:02,379 INFO L495 AbstractCegarLoop]: Abstraction has 8106 states and 18265 transitions.
[2022-11-02 20:28:02,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) 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 20:28:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 8106 states and 18265 transitions.
[2022-11-02 20:28:02,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2022-11-02 20:28:02,380 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:02,381 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:02,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2022-11-02 20:28:02,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2022-11-02 20:28:02,606 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:02,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:02,606 INFO L85 PathProgramCache]: Analyzing trace with hash -575405445, now seen corresponding path program 1 times
[2022-11-02 20:28:02,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:02,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859785086]
[2022-11-02 20:28:02,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:02,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2022-11-02 20:28:02,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:02,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859785086]
[2022-11-02 20:28:02,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859785086] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:28:02,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:28:02,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:28:02,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740003825]
[2022-11-02 20:28:02,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:28:02,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:28:02,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:02,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:28:02,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:28:02,691 INFO L87 Difference]: Start difference. First operand 8106 states and 18265 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 20:28:03,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:03,264 INFO L93 Difference]: Finished difference Result 8019 states and 18080 transitions.
[2022-11-02 20:28:03,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:28:03,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 13
[2022-11-02 20:28:03,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:03,286 INFO L225 Difference]: With dead ends: 8019
[2022-11-02 20:28:03,286 INFO L226 Difference]: Without dead ends: 8019
[2022-11-02 20:28:03,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:28:03,287 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 95 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:03,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 78 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2022-11-02 20:28:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8019 states.
[2022-11-02 20:28:03,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8019 to 7932.
[2022-11-02 20:28:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7932 states, 7226 states have (on average 2.476473844450595) internal successors, (17895), 7931 states have internal predecessors, (17895), 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 20:28:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7932 states to 7932 states and 17895 transitions.
[2022-11-02 20:28:03,560 INFO L78 Accepts]: Start accepts. Automaton has 7932 states and 17895 transitions. Word has length 13
[2022-11-02 20:28:03,560 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:03,560 INFO L495 AbstractCegarLoop]: Abstraction has 7932 states and 17895 transitions.
[2022-11-02 20:28:03,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 20:28:03,561 INFO L276 IsEmpty]: Start isEmpty. Operand 7932 states and 17895 transitions.
[2022-11-02 20:28:03,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-02 20:28:03,568 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:03,569 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:03,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2022-11-02 20:28:03,569 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting worker_fnErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:03,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:03,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1312511964, now seen corresponding path program 1 times
[2022-11-02 20:28:03,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:03,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87349491]
[2022-11-02 20:28:03,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:03,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:03,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:03,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87349491]
[2022-11-02 20:28:03,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87349491] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:28:03,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:28:03,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:28:03,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625266818]
[2022-11-02 20:28:03,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:28:03,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2022-11-02 20:28:03,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:03,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2022-11-02 20:28:03,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:28:03,677 INFO L87 Difference]: Start difference. First operand 7932 states and 17895 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 20:28:04,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:04,374 INFO L93 Difference]: Finished difference Result 7841 states and 17701 transitions.
[2022-11-02 20:28:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2022-11-02 20:28:04,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 14
[2022-11-02 20:28:04,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:04,396 INFO L225 Difference]: With dead ends: 7841
[2022-11-02 20:28:04,396 INFO L226 Difference]: Without dead ends: 7841
[2022-11-02 20:28:04,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2022-11-02 20:28:04,398 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 103 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:04,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 70 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2022-11-02 20:28:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7841 states.
[2022-11-02 20:28:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7841 to 7841.
[2022-11-02 20:28:04,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7841 states, 7162 states have (on average 2.4715163362189334) internal successors, (17701), 7840 states have internal predecessors, (17701), 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 20:28:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7841 states to 7841 states and 17701 transitions.
[2022-11-02 20:28:04,649 INFO L78 Accepts]: Start accepts. Automaton has 7841 states and 17701 transitions. Word has length 14
[2022-11-02 20:28:04,649 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:04,650 INFO L495 AbstractCegarLoop]: Abstraction has 7841 states and 17701 transitions.
[2022-11-02 20:28:04,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 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 20:28:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 7841 states and 17701 transitions.
[2022-11-02 20:28:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2022-11-02 20:28:04,651 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:04,651 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:04,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2022-11-02 20:28:04,651 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting worker_fnErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:04,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1312511451, now seen corresponding path program 1 times
[2022-11-02 20:28:04,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:04,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871027882]
[2022-11-02 20:28:04,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:04,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:04,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:28:04,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:04,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871027882]
[2022-11-02 20:28:04,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871027882] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:28:04,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25140765]
[2022-11-02 20:28:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:04,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:28:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:28:04,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:28:04,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2022-11-02 20:28:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:05,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:28:05,055 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:28:05,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:28:05,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:28:05,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25140765] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:28:05,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2022-11-02 20:28:05,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2022-11-02 20:28:05,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237810698]
[2022-11-02 20:28:05,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:28:05,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:28:05,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:05,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:28:05,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:28:05,090 INFO L87 Difference]: Start difference. First operand 7841 states and 17701 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 20:28:05,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:05,920 INFO L93 Difference]: Finished difference Result 7750 states and 17507 transitions.
[2022-11-02 20:28:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:28:05,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 14
[2022-11-02 20:28:05,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:05,937 INFO L225 Difference]: With dead ends: 7750
[2022-11-02 20:28:05,937 INFO L226 Difference]: Without dead ends: 7750
[2022-11-02 20:28:05,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 20:28:05,938 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 388 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:05,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 77 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-02 20:28:05,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7750 states.
[2022-11-02 20:28:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7750 to 7568.
[2022-11-02 20:28:06,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7568 states, 6916 states have (on average 2.4752747252747254) internal successors, (17119), 7567 states have internal predecessors, (17119), 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 20:28:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7568 states to 7568 states and 17119 transitions.
[2022-11-02 20:28:06,120 INFO L78 Accepts]: Start accepts. Automaton has 7568 states and 17119 transitions. Word has length 14
[2022-11-02 20:28:06,120 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:06,120 INFO L495 AbstractCegarLoop]: Abstraction has 7568 states and 17119 transitions.
[2022-11-02 20:28:06,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 20:28:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7568 states and 17119 transitions.
[2022-11-02 20:28:06,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-11-02 20:28:06,122 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:06,123 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:06,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2022-11-02 20:28:06,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2022-11-02 20:28:06,338 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting worker_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:06,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:06,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1522871501, now seen corresponding path program 1 times
[2022-11-02 20:28:06,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:06,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945815185]
[2022-11-02 20:28:06,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:06,446 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:28:06,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:06,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945815185]
[2022-11-02 20:28:06,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945815185] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:28:06,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835317232]
[2022-11-02 20:28:06,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:06,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:28:06,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:28:06,449 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:28:06,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2022-11-02 20:28:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:06,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:28:06,726 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:28:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:28:06,750 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:28:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2022-11-02 20:28:06,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835317232] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:28:06,770 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:28:06,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5
[2022-11-02 20:28:06,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270915012]
[2022-11-02 20:28:06,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:28:06,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:28:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:06,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:28:06,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:28:06,772 INFO L87 Difference]: Start difference. First operand 7568 states and 17119 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 20:28:07,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:07,604 INFO L93 Difference]: Finished difference Result 7841 states and 17701 transitions.
[2022-11-02 20:28:07,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:28:07,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 20:28:07,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:07,622 INFO L225 Difference]: With dead ends: 7841
[2022-11-02 20:28:07,622 INFO L226 Difference]: Without dead ends: 7841
[2022-11-02 20:28:07,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:28:07,623 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 310 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 701 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:07,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 111 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 701 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2022-11-02 20:28:07,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7841 states.
[2022-11-02 20:28:07,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7841 to 7841.
[2022-11-02 20:28:07,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7841 states, 7189 states have (on average 2.4622339685630825) internal successors, (17701), 7840 states have internal predecessors, (17701), 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 20:28:07,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7841 states to 7841 states and 17701 transitions.
[2022-11-02 20:28:07,784 INFO L78 Accepts]: Start accepts. Automaton has 7841 states and 17701 transitions. Word has length 16
[2022-11-02 20:28:07,784 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:07,785 INFO L495 AbstractCegarLoop]: Abstraction has 7841 states and 17701 transitions.
[2022-11-02 20:28:07,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 20:28:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 7841 states and 17701 transitions.
[2022-11-02 20:28:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2022-11-02 20:28:07,786 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:07,786 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:07,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2022-11-02 20:28:07,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2022-11-02 20:28:07,997 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:07,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:07,998 INFO L85 PathProgramCache]: Analyzing trace with hash -959111230, now seen corresponding path program 1 times
[2022-11-02 20:28:07,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:07,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239239773]
[2022-11-02 20:28:07,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:07,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:08,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:08,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239239773]
[2022-11-02 20:28:08,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239239773] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:28:08,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463818864]
[2022-11-02 20:28:08,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:08,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:28:08,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:28:08,115 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:28:08,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2022-11-02 20:28:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:08,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:28:08,408 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:28:08,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:08,423 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:28:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:08,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463818864] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:28:08,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:28:08,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 5
[2022-11-02 20:28:08,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693872725]
[2022-11-02 20:28:08,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:28:08,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:28:08,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:08,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:28:08,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:28:08,442 INFO L87 Difference]: Start difference. First operand 7841 states and 17701 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 20:28:09,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:09,194 INFO L93 Difference]: Finished difference Result 8013 states and 18067 transitions.
[2022-11-02 20:28:09,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-11-02 20:28:09,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 16
[2022-11-02 20:28:09,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:09,211 INFO L225 Difference]: With dead ends: 8013
[2022-11-02 20:28:09,211 INFO L226 Difference]: Without dead ends: 8013
[2022-11-02 20:28:09,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:28:09,213 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 281 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:09,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 121 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2022-11-02 20:28:09,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8013 states.
[2022-11-02 20:28:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8013 to 8013.
[2022-11-02 20:28:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8013 states, 7361 states have (on average 2.4544219535389216) internal successors, (18067), 8012 states have internal predecessors, (18067), 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 20:28:09,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8013 states to 8013 states and 18067 transitions.
[2022-11-02 20:28:09,500 INFO L78 Accepts]: Start accepts. Automaton has 8013 states and 18067 transitions. Word has length 16
[2022-11-02 20:28:09,500 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:09,500 INFO L495 AbstractCegarLoop]: Abstraction has 8013 states and 18067 transitions.
[2022-11-02 20:28:09,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 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 20:28:09,501 INFO L276 IsEmpty]: Start isEmpty. Operand 8013 states and 18067 transitions.
[2022-11-02 20:28:09,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2022-11-02 20:28:09,502 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:09,502 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:09,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2022-11-02 20:28:09,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2022-11-02 20:28:09,721 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:09,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1271465340, now seen corresponding path program 2 times
[2022-11-02 20:28:09,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:09,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416720054]
[2022-11-02 20:28:09,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:11,825 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:11,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:28:11,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416720054]
[2022-11-02 20:28:11,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416720054] provided 0 perfect and 1 imperfect interpolant sequences
[2022-11-02 20:28:11,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1920062789]
[2022-11-02 20:28:11,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2022-11-02 20:28:11,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-11-02 20:28:11,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:28:11,842 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-11-02 20:28:11,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2022-11-02 20:28:12,311 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2022-11-02 20:28:12,311 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2022-11-02 20:28:12,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 82 conjunts are in the unsatisfiable core
[2022-11-02 20:28:12,323 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:28:12,433 INFO L356 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size
[2022-11-02 20:28:12,434 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 29 treesize of output 37
[2022-11-02 20:28:12,628 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28
[2022-11-02 20:28:12,645 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 28
[2022-11-02 20:28:12,829 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2022-11-02 20:28:12,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 81
[2022-11-02 20:28:12,857 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 53
[2022-11-02 20:28:12,892 INFO L356 Elim1Store]: treesize reduction 12, result has 61.3 percent of original size
[2022-11-02 20:28:12,893 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 31
[2022-11-02 20:28:12,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 24
[2022-11-02 20:28:13,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 46
[2022-11-02 20:28:13,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22
[2022-11-02 20:28:13,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18
[2022-11-02 20:28:13,274 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 32
[2022-11-02 20:28:13,281 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20
[2022-11-02 20:28:13,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16
[2022-11-02 20:28:13,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2022-11-02 20:28:13,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19
[2022-11-02 20:28:13,574 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2022-11-02 20:28:13,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2022-11-02 20:28:13,614 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2022-11-02 20:28:13,823 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1564 (Array Int Int)) (v_ArrVal_1563 (Array Int Int)) (v_ArrVal_1562 (Array Int Int))) (< (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1563) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1562) |c_ULTIMATE.start_worker_fn_~a~0#1.base|) |c_ULTIMATE.start_worker_fn_~a~0#1.offset|)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1564) |c_ULTIMATE.start_worker_fn_~a~0#1.base|) |c_ULTIMATE.start_worker_fn_~a~0#1.offset|) 4)) 2147483647)) is different from false
[2022-11-02 20:28:13,843 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1564 (Array Int Int)) (v_ArrVal_1563 (Array Int Int)) (v_ArrVal_1562 (Array Int Int))) (< (let ((.cse0 (+ 12 |c_ULTIMATE.start_main_~#a~1#1.offset|))) (select (select (store |c_#memory_int| |c_~#pre~0.base| v_ArrVal_1563) (select (select (store |c_#memory_$Pointer$.base| |c_~#pre~0.base| v_ArrVal_1562) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse0)) (+ (select (select (store |c_#memory_$Pointer$.offset| |c_~#pre~0.base| v_ArrVal_1564) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse0) 4))) 2147483647)) is different from false
[2022-11-02 20:28:13,881 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1559 (Array Int Int)) (v_ArrVal_1564 (Array Int Int)) (v_ArrVal_1563 (Array Int Int)) (v_ArrVal_1562 (Array Int Int)) (v_ArrVal_1561 (Array Int Int)) (v_ArrVal_1560 (Array Int Int))) (< (let ((.cse0 (+ 12 |c_ULTIMATE.start_main_~#a~1#1.offset|))) (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1561) |c_~#pre~0.base| v_ArrVal_1563) (select (select (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1559) |c_~#pre~0.base| v_ArrVal_1562) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse0)) (+ 4 (select (select (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_main_~#worker~0#1.base| v_ArrVal_1560) |c_~#pre~0.base| v_ArrVal_1564) |c_ULTIMATE.start_main_~#a~1#1.base|) .cse0)))) 2147483647)) is different from false
[2022-11-02 20:28:13,942 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:13,942 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 4 case distinctions, treesize of input 68 treesize of output 84
[2022-11-02 20:28:13,969 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:13,970 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 235 treesize of output 234
[2022-11-02 20:28:13,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 189 treesize of output 151
[2022-11-02 20:28:14,004 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 65
[2022-11-02 20:28:14,439 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,439 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 58
[2022-11-02 20:28:14,455 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 295 treesize of output 285
[2022-11-02 20:28:14,472 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 270 treesize of output 254
[2022-11-02 20:28:14,490 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 254 treesize of output 222
[2022-11-02 20:28:14,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 222 treesize of output 214
[2022-11-02 20:28:14,636 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,637 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 58
[2022-11-02 20:28:14,645 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-11-02 20:28:14,663 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 151 treesize of output 141
[2022-11-02 20:28:14,680 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 118
[2022-11-02 20:28:14,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102
[2022-11-02 20:28:14,746 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,747 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 57
[2022-11-02 20:28:14,755 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-11-02 20:28:14,765 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,766 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 132
[2022-11-02 20:28:14,784 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102
[2022-11-02 20:28:14,792 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 94
[2022-11-02 20:28:14,874 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,875 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 57
[2022-11-02 20:28:14,885 INFO L173 IndexEqualityManager]: detected equality via solver
[2022-11-02 20:28:14,896 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2022-11-02 20:28:14,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 132
[2022-11-02 20:28:14,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 102
[2022-11-02 20:28:14,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 47
[2022-11-02 20:28:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 1 not checked.
[2022-11-02 20:28:15,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1920062789] provided 0 perfect and 2 imperfect interpolant sequences
[2022-11-02 20:28:15,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-11-02 20:28:15,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 30
[2022-11-02 20:28:15,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306648576]
[2022-11-02 20:28:15,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-11-02 20:28:15,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2022-11-02 20:28:15,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:28:15,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2022-11-02 20:28:15,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=737, Unknown=3, NotChecked=168, Total=992
[2022-11-02 20:28:15,320 INFO L87 Difference]: Start difference. First operand 8013 states and 18067 transitions. Second operand has 32 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 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 20:28:24,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:28:24,134 INFO L93 Difference]: Finished difference Result 11042 states and 24970 transitions.
[2022-11-02 20:28:24,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2022-11-02 20:28:24,135 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 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 20:28:24,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:28:24,160 INFO L225 Difference]: With dead ends: 11042
[2022-11-02 20:28:24,160 INFO L226 Difference]: Without dead ends: 11042
[2022-11-02 20:28:24,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 15 SyntacticMatches, 3 SemanticMatches, 49 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=321, Invalid=1944, Unknown=3, NotChecked=282, Total=2550
[2022-11-02 20:28:24,161 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 1025 mSDsluCounter, 3250 mSDsCounter, 0 mSdLazyCounter, 5326 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 8486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 5326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3065 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time
[2022-11-02 20:28:24,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1025 Valid, 753 Invalid, 8486 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [95 Valid, 5326 Invalid, 0 Unknown, 3065 Unchecked, 6.3s Time]
[2022-11-02 20:28:24,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11042 states.
[2022-11-02 20:28:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11042 to 8248.
[2022-11-02 20:28:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8248 states, 7598 states have (on average 2.4547249276125296) internal successors, (18651), 8247 states have internal predecessors, (18651), 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 20:28:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8248 states to 8248 states and 18651 transitions.
[2022-11-02 20:28:24,348 INFO L78 Accepts]: Start accepts. Automaton has 8248 states and 18651 transitions. Word has length 18
[2022-11-02 20:28:24,348 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:28:24,348 INFO L495 AbstractCegarLoop]: Abstraction has 8248 states and 18651 transitions.
[2022-11-02 20:28:24,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 1.5483870967741935) internal successors, (48), 31 states have internal predecessors, (48), 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 20:28:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8248 states and 18651 transitions.
[2022-11-02 20:28:24,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2022-11-02 20:28:24,349 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:28:24,350 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:28:24,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2022-11-02 20:28:24,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2022-11-02 20:28:24,551 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting worker_fnErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 86 more)] ===
[2022-11-02 20:28:24,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:28:24,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1530523095, now seen corresponding path program 2 times
[2022-11-02 20:28:24,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:28:24,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51803569]
[2022-11-02 20:28:24,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:28:24,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:28:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:28:25,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2022-11-02 20:28:25,233 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:383)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:154)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260)
at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848)
at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:773)
at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.<init>(NestedInterpolantsBuilder.java:165)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.<init>(InterpolatingTraceCheckCraig.java:97)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2022-11-02 20:28:25,236 INFO L158 Benchmark]: Toolchain (without parser) took 199408.91ms. Allocated memory was 113.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 79.0MB in the beginning and 867.1MB in the end (delta: -788.1MB). Peak memory consumption was 646.0MB. Max. memory is 16.1GB.
[2022-11-02 20:28:25,237 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:28:25,238 INFO L158 Benchmark]: CACSL2BoogieTranslator took 748.95ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 75.0MB in the end (delta: 3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:28:25,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.45ms. Allocated memory is still 113.2MB. Free memory was 75.0MB in the beginning and 70.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:28:25,239 INFO L158 Benchmark]: Boogie Preprocessor took 113.98ms. Allocated memory is still 113.2MB. Free memory was 70.9MB in the beginning and 66.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:28:25,240 INFO L158 Benchmark]: RCFGBuilder took 1398.46ms. Allocated memory is still 113.2MB. Free memory was 66.7MB in the beginning and 53.8MB in the end (delta: 12.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
[2022-11-02 20:28:25,240 INFO L158 Benchmark]: TraceAbstraction took 197036.52ms. Allocated memory was 113.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 53.1MB in the beginning and 867.1MB in the end (delta: -814.0MB). Peak memory consumption was 620.8MB. Max. memory is 16.1GB.
[2022-11-02 20:28:25,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 86.0MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 748.95ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 75.0MB in the end (delta: 3.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 101.45ms. Allocated memory is still 113.2MB. Free memory was 75.0MB in the beginning and 70.9MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 113.98ms. Allocated memory is still 113.2MB. Free memory was 70.9MB in the beginning and 66.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1398.46ms. Allocated memory is still 113.2MB. Free memory was 66.7MB in the beginning and 53.8MB in the end (delta: 12.9MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 197036.52ms. Allocated memory was 113.2MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 53.1MB in the beginning and 867.1MB in the end (delta: -814.0MB). Peak memory consumption was 620.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: PetriNetLargeBlockEncoding benchmarks
Lipton Reduction Statistics: ReductionTime: 158.5s, 615 PlacesBefore, 193 PlacesAfterwards, 682 TransitionsBefore, 230 TransitionsAfterwards, 182240 CoEnabledTransitionPairs, 7 FixpointIterations, 72 TrivialSequentialCompositions, 462 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 101 ConcurrentYvCompositions, 30 ChoiceCompositions, 671 TotalNumberOfCompositions, 347528 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 148724, positive: 147174, positive conditional: 0, positive unconditional: 147174, negative: 1550, negative conditional: 0, negative unconditional: 1550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 115218, positive: 114709, positive conditional: 0, positive unconditional: 114709, negative: 509, negative conditional: 0, negative unconditional: 509, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 115218, positive: 114483, positive conditional: 0, positive unconditional: 114483, negative: 735, negative conditional: 0, negative unconditional: 735, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 735, positive: 226, positive conditional: 0, positive unconditional: 226, negative: 458, negative conditional: 0, negative unconditional: 458, unknown: 51, unknown conditional: 0, unknown unconditional: 51] , SemanticIndependenceRelation.Query Time [ms]: [ total: 128918, positive: 494, positive conditional: 0, positive unconditional: 494, negative: 2638, negative conditional: 0, negative unconditional: 2638, unknown: 125786, unknown conditional: 0, unknown unconditional: 125786] ], Cache Queries: [ total: 148724, positive: 32465, positive conditional: 0, positive unconditional: 32465, negative: 1041, negative conditional: 0, negative unconditional: 1041, unknown: 115218, unknown conditional: 0, unknown unconditional: 115218] , Statistics on independence cache: Total cache size (in pairs): 2276, Positive cache size: 2050, Positive conditional cache size: 0, Positive unconditional cache size: 2050, Negative cache size: 226, Negative conditional cache size: 0, Negative unconditional cache size: 226
- ExceptionOrErrorResult: AssertionError: null
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-11-02 20:28:25,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/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
Using bit-precise analysis
No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50e25f75-1e48-4e1c-9ecd-869fe2bc3f80/bin/uautomizer-Dbtcem3rbc/config using search string *Overflow*32bit*_Bitvector*.epf
No suitable settings file found using Overflow*32bit*_Bitvector
ERROR: UNSUPPORTED PROPERTY
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: AssertionError: null